[oss-security] 20160915 Re: CVE assignment for PHP 5.6.26 and 7.0.11

93022

https://bugs.php.net/bug.php?id=73007

GLSA-201701-58

https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html

https://www.tenable.com/security/tns-2016-19

It was discovered that ICU incorrectly handled certain memory operations when processing data. If an application using ICU processed crafted data, a remote attacker could possibly cause it to crash or potentially execute arbitrary code with the privileges of the user invoking the program.

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to its self-reported version, the Tenable SecurityCenter application installed on the remote host is prior to 5.4.1. It is, therefore, affected by multiple vulnerabilities :

  - A denial of service vulnerability exists in x509_vfy.c     due to improper handling of certificate revocation lists     (CRLs). An unauthenticated, remote attacker can exploit     this, via a specially crafted CRL, to cause a NULL     pointer dereference, resulting in a crash of the     service. (CVE-2016-7052)

  - A cross-site scripting (XSS) vulnerability exists within     the JQuery UI dialog() function due to improper     validation of input to the 'closeText' parameter before     returning it to users. An unauthenticated, remote     attacker can exploit this, via a specially crafted     request, to execute arbitrary script code in a user's     browser session. (CVE-2016-7103)

  - A denial of service vulnerability exists in PHP within     file ext/standard/var_unserializer.c due to improper     handling of certain invalid objects. An unauthenticated,     remote attacker can exploit this, via specially crafted     serialized data that leads to a __destruct() or magic()     function call, to cause a denial of service condition or     potentially execute arbitrary code. (CVE-2016-7124)

  - A flaw exists in PHP in file ext/session/session.c when     handling session names. An unauthenticated, remote     attacker can exploit this to inject arbitrary data into     sessions. (CVE-2016-7125)

  - An integer truncation error exists in PHP in the     select_colors() function in file ext/gd/libgd/gd_topal.c     when handling the number of colors. An unauthenticated,     remote attacker can exploit this to cause a heap-based     buffer overflow, resulting in the execution of arbitrary     code. (CVE-2016-7126)

  - An array-indexing error exists in PHP in the     imagegammacorrect() function within file ext/gd/gd.c     when handling negative gamma values. An unauthenticated,     remote attacker can exploit this, by writing a NULL to     an arbitrary memory location, to cause a crash or the     execution of arbitrary code. (CVE-2016-7127)

  - A flaw exists in PHP in the exif_process_IFD_in_TIFF()     function within file ext/exif/exif.c when handling TIFF     image content. An unauthenticated, remote attacker can     exploit this to disclose memory contents.
    (CVE-2016-7128)

  - A denial of service vulnerability exists in PHP in the     php_wddx_process_data() function within file     ext/wddx/wddx.c when deserializing invalid dateTime     values. An unauthenticated, remote attacker can exploit     this to cause a crash. (CVE-2016-7129)

  - A NULL pointer dereference flaw exists in PHP in the     php_wddx_pop_element() function within file     ext/wddx/wddx.c when handling Base64 binary values. An     unauthenticated, remote attacker can exploit this to     cause a denial of service condition. (CVE-2016-7130)

  - A NULL pointer dereference flaw exists in PHP in the     php_wddx_deserialize_ex() function within file     ext/wddx/wddx.c when handling invalid XML content. An     unauthenticated, remote attacker can exploit this to     cause a denial of service condition. (CVE-2016-7131)

  - A NULL pointer dereference flaw exists in PHP in the     php_wddx_pop_element() function within file     ext/wddx/wddx.c. An unauthenticated, remote attacker can     exploit this to cause a denial of service condition.
    (CVE-2016-7132)

  - A buffer overflow condition exists in PHP in file     ext/mysqlnd/mysqlnd_wireprotocol.c within the     php_mysqlnd_rowp_read_text_protocol_aux() function when     handling the BIT field. An unauthenticated, remote     attacker can exploit this to cause a heap-based buffer     overflow, resulting in a crash or the execution of     arbitrary code. (CVE-2016-7412)

  - A use-after-free error exists in PHP in the     wddx_stack_destroy() function within file     ext/wddx/wddx.c when deserializing recordset elements.
    An unauthenticated, remote attacker can exploit this to     dereference already freed memory, resulting in the     execution of arbitrary code. (CVE-2016-7413)

  - An out-of-bounds access error exists in PHP in the     phar_parse_zipfile() function within file ext/phar/zip.c     when handling the uncompressed file size. An     unauthenticated, remote attacker can exploit this to     have an unspecified impact. (CVE-2016-7414)

  - Multiple stack-based buffer overflow conditions exist in     the International Components for Unicode for C/C++     (ICU4C) component in the msgfmt_format_message()     function within file common/locid.cpp when handling     locale strings. An unauthenticated, remote attacker can     exploit these, via a long locale string, to cause a     denial of service condition or the execution of     arbitrary code. (CVE-2016-7415, CVE-2016-7416)

  - A flaw exists in PHP within file ext/spl/spl_array.c,     specifically in the spl_array_get_dimension_ptr_ptr()     function during the deserialization of SplArray, due to     improper validation of types. An unauthenticated, remote     attacker can exploit this to cause a crash or other     unspecified impact. (CVE-2016-7417)

  - An out-of-bounds read error exists in PHP in the     php_wddx_push_element() function within file     ext/wddx/wddx.c. An unauthenticated, remote attacker     can exploit this to cause a crash or the disclosure     of memory contents. (CVE-2016-7418)

  - A use-after-free error exists in PHP within the     unserialize() function in file ext/curl/curl_file.c. An     unauthenticated, remote attacker can exploit this to     execute arbitrary code. (CVE-2016-9137)

  - An integer overflow condition exists in PHP in the     php_snmp_parse_oid() function in file ext/snmp/snmp.c.
    An unauthenticated, remote attacker can exploit this to     cause a heap-based buffer overflow, resulting in the     execution of arbitrary code.

  - An integer overflow condition exists in PHP in the     sql_regcase() function within file ext/ereg/ereg.c when     handling overly long strings. An unauthenticated, remote     attacker can exploit this to corrupt memory, resulting     in the execution of arbitrary code.

  - An integer overflow condition exists in PHP in the     php_base64_encode() function within file     ext/standard/base64.c when handling overly long     strings. An unauthenticated, remote attacker can exploit     this to corrupt memory, resulting in the execution of     arbitrary code.

  - An integer overflow condition exists in PHP in the     php_quot_print_encode() function within file     ext/standard/quot_print.c when handling overly long     strings. An unauthenticated, remote attacker can     exploit this to cause a heap-based buffer overflow,     resulting in the execution of arbitrary code.

  - A use-after-free error exists in PHP in the     unserialize() function within file ext/standard/var.c.
    An unauthenticated, remote attacker can exploit this to     dereference already freed memory, resulting in the     execution of arbitrary code.

  - A flaw exists in PHP in the php_ftp_fopen_connect()     function within file ext/standard/ftp_fopen_wrapper.c     due to silently downgrading to regular FTP even if a     secure method has been requested. A man-in-the-middle     (MitM) attacker can exploit this to downgrade the FTP     communication.

  - An integer overflow condition exists in PHP in the     php_url_encode() function within file ext/standard/url.c     when handling overly long strings. An unauthenticated,     remote attacker can exploit this to corrupt memory,     resulting in the execution of arbitrary code.

  - An integer overflow condition exists in PHP in the     php_uuencode() function in file ext/standard/uuencode.c.
    An unauthenticated, remote attacker can exploit this to     corrupt memory, resulting in the execution of arbitrary     code.

  - An integer overflow condition exists in PHP in the     bzdecompress() function within file ext/bz2/bz2.c. An     unauthenticated, remote attacker can exploit this to     corrupt memory, resulting in the execution of arbitrary     code.

  - An integer overflow condition exists in PHP in the     curl_escape() function within file ext/curl/interface.c     when handling overly long escaped strings. An     unauthenticated, remote attacker can exploit this to     corrupt memory, resulting in the execution of arbitrary     code.

  - An out-of-bounds access error exists in PHP in file     ext/phar/tar.c, specifically in the phar_parse_tarfile()     function during the verification of signatures. An     unauthenticated, remote attacker can exploit this to     have an unspecified impact.

  - A flaw exists in PHP when destroying deserialized     objects due to improper validation of certain     unspecified input. An unauthenticated, remote attacker     can exploit this to corrupt memory, resulting in a     denial of service condition or the execution of     arbitrary code.

  - An integer overflow condition exists in PHP within the     fgetcsv() function due to improper validation of CSV     field lengths. An unauthenticated, remote attacker can     exploit this to corrupt memory, resulting in a denial of     service condition or the execution of arbitrary code.

  - An integer overflow condition exists in PHP in the     wordwrap() function within file ext/standard/string.c     due to improper validation of certain unspecified input.
    An unauthenticated, remote attacker can exploit this to     corrupt memory, resulting in a denial of service     condition or the execution of arbitrary code.

  - An integer overflow condition exists in PHP in the     fgets() function within file ext/standard/file.c due to     improper validation of certain unspecified input. An     unauthenticated, remote attacker can exploit this to     corrupt memory, resulting in a denial of service     condition or the execution of arbitrary code.

  - An integer overflow condition exists in PHP in the     xml_utf8_encode() function within file ext/xml/xml.c due     to improper validation of certain unspecified input. An     unauthenticated, remote attacker can exploit this to     cause an unspecified impact.

  - A flaw exists in PHP in the exif_process_IFD_in_TIFF()     function within file ext/exif/exif.c when handling     uninitialized thumbnail data. An unauthenticated, remote     attacker can exploit this to disclose memory contents.

  - A flaw exists in PHP due to the parse_url() function     returning the incorrect host. An unauthenticated, remote     attacker can exploit this to bypass authentication or to     conduct open redirection and server-side request forgery     attacks, depending on how the function is implemented.

  - A NULL pointer dereference flaw exists in PHP in the     SimpleXMLElement::asXML() function within file     ext/simplexml/simplexml.c. An unauthenticated, remote     attacker can exploit this to cause a denial of service     condition.

  - An heap buffer overflow condition exists in PHP in the     php_ereg_replace() function within file ext/ereg/ereg.c     due to improper validation of certain unspecified input.
    An unauthenticated, remote attacker can exploit this to     cause a denial of service condition or the execution of     arbitrary code.

  - A flaw exists in PHP in file ext/openssl/openssl.c     within the openssl_random_pseudo_bytes() function when     handling strings larger than 2GB. An unauthenticated,     remote attacker can exploit this to cause a denial of     service condition.

  - A flaw exists in PHP in the openssl_encrypt() function     within file ext/openssl/openssl.c when handling strings     larger than 2GB. An unauthenticated, remote attacker can     exploit this to cause a denial of service condition.

  - An integer overflow condition exists in PHP in the     imap_8bit() function within file ext/imap/php_imap.c due     to improper validation of certain unspecified input. An     unauthenticated, remote attacker can exploit this to     corrupt memory, resulting in a denial of service     condition or the execution of arbitrary code.

  - A flaw exists in PHP in the _bc_new_num_ex() function     within file ext/bcmath/libbcmath/src/init.c when     handling values passed via the 'scale' parameter. An     unauthenticated, remote attacker can exploit this to     cause a denial of service condition.

  - A flaw exists in PHP in the php_resolve_path() function     within file main/fopen_wrappers.c when handling negative     size values passed via the 'filename' parameter. An     unauthenticated, remote attacker can exploit this to     cause a denial of service condition.

  - A flaw exists in PHP in the dom_document_save_html()     function within file ext/dom/document.c due to missing     NULL checks. An unauthenticated, remote attacker can     exploit this to cause a denial of service condition.

  - An integer overflow condition exists in PHP in the     mb_encode_*() function in file ext/mbstring/mbstring.c     due to improper validation of the length of encoded     data. An unauthenticated, remote attacker can exploit     this to corrupt memory, resulting in a denial of service     condition or the execution of arbitrary code.

  - A NULL pointer dereference flaw exists in PHP in the     CachingIterator() function within file     ext/spl/spl_iterators.c when handling string conversion.
    An unauthenticated, remote attacker can exploit this to     cause a denial of service condition.

  - An integer overflow condition exists in PHP in the     number_format() function within file ext/standard/math.c     when handling 'decimals' and 'dec_point' parameters with     values equal or close to 0x7FFFFFFF. An unauthenticated,     remote attacker can exploit this to cause a heap-based     buffer overflow, resulting in a denial of service     condition or the execution of arbitrary code.

  - A overflow condition exists in PHP within file     ext/intl/resourcebundle/resourcebundle_class.c,     specifically in functions ResourceBundle::create() and     ResourceBundle::getLocales(), due to improper validation     of input passed via the 'bundlename' parameter. An     unauthenticated, remote attacker can exploit this to     cause a stack-based buffer overflow, resulting in a     denial of service condition or the execution of     arbitrary code.

  - An integer overflow condition exists in PHP in the     php_pcre_replace_impl() function within file     ext/pcre/php_pcre.c due to improper validation of     certain unspecified input. An unauthenticated, remote     attacker can exploit this to cause a heap-based buffer     overflow, resulting in a denial of service condition or     the execution of arbitrary code.

  - An integer overflow condition exists in PHP in the
    _php_imap_mail() function in file ext/imap/php_imap.c     when handling overly long strings. An unauthenticated,     remote attacker can exploit this to cause a heap-based     buffer overflow, resulting in a denial of service     condition or the execution of arbitrary code.

  - A flaw exists in PHP in the bzcompress() function when     handling overly long strings. An unauthenticated, remote     attacker can exploit this to cause a denial of service     condition.

  - An integer overflow condition exists in PHP in the     gdImageAALine() function within file ext/gd/libgd/gd.c     due to improper validation of line limit values.
    An unauthenticated, remote attacker can exploit this to     cause an out-of-bounds write or read, resulting in a     denial of service condition, the disclosure of memory     contents, or the execution of arbitrary code.

  - Multiple stored cross-site scripting (XSS)     vulnerabilities exist in unspecified scripts due to     improper validation of input before returning it to     users. An unauthenticated, remote attacker can exploit     these, via a specially crafted request, to execute     arbitrary script code in a user's browser session.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote host is affected by the vulnerability described in GLSA-201701-58 (ICU: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in ICU. Please review the       CVE identifiers referenced below for details.
  Impact :

    Remote attackers could cause a Denial of Service condition or possibly       have other unspecified impacts via a long locale string or       httpAcceptLanguage argument.  Additionally, A remote attacker, via a       specially crafted file, could cause an application using ICU to parse       untrusted font files resulting in a Denial of Service condition.
      Finally, remote attackers could affect confidentiality via unknown       vectors related to 2D.
  Workaround :

    There is no known workaround at this time.

Brief introduction 

CVE-2014-9911

Michele Spagnuolo discovered a buffer overflow vulnerability which might allow remote attackers to cause a denial of service or possibly execute arbitrary code via crafted text.

CVE-2016-7415

A stack-based buffer overflow might allow an attacker with control of the locale string to perform a denial of service and, possibly, execute arbitrary code.

For Debian 7 'Wheezy', these problems have been fixed in version 4.8.1.1-12+deb7u6.

We recommend that you upgrade your icu packages.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Several vulnerabilities were discovered in the International Components for Unicode (ICU) library.

  - CVE-2014-9911     Michele Spagnuolo discovered a buffer overflow     vulnerability which might allow remote attackers to     cause a denial of service or possibly execute arbitrary     code via crafted text.

  - CVE-2015-2632     An integer overflow vulnerability might lead into a     denial of service or disclosure of portion of     application memory if an attacker has control on the     input file.

  - CVE-2015-4844     Buffer overflow vulnerabilities might allow an attacker     with control on the font file to perform a denial of     service or, possibly, execute arbitrary code.

  - CVE-2016-0494     Integer signedness issues were introduced as part of the     CVE-2015-4844 fix.

  - CVE-2016-6293     A buffer overflow might allow an attacker to perform a     denial of service or disclosure of portion of     application memory.

  - CVE-2016-7415     A stack-based buffer overflow might allow an attacker     with control on the locale string to perform a denial of     service and, possibly, execute arbitrary code.

Security fix for CVE-2016-7415

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Versions of PHP 5.6.x prior to 5.6.26 and 7.0.x prior to 7.0.11 are vulnerable to the following issues :

 - An overflow condition exists in the 'msgfmt_format_message()' function in 'common/locid.cpp' that is triggered when handling local strings. This may allow a remote attacker to cause a stack-based buffer overflow, resulting in a crash or potentially allowing the execution of arbitrary code.
 - An overflow condition exists in the 'php_mysqlnd_rowp_read_text_protocol_aux()' function in 'ext/mysqlnd/mysqlnd_wireprotocol.c' that is triggered when handling the BIT field. This may allow a context-dependent or Man-in-the-Middle (MitM) attacker to cause a heap-based buffer overflow, resulting in a crash or potentially allowing the execution of arbitrary code.
 - A use-after-free error exists in the 'wddx_stack_destroy()' function in 'ext/wddx/wddx.c' that is triggered when deserializing 'recordset' elements. This may allow a remote attacker to dereference already freed memory and potentially execute arbitrary code.
 - An out-of-bounds access flaw exists in the 'phar_parse_zipfile()' function in 'ext/phar/zip.c' that is triggered when handling the uncompressed file size. This may allow a remote attacker to have an unspecified impact.
 - A flaw exists in the 'spl_array_get_dimension_ptr_ptr()' function in 'ext/spl/spl_array.c' that is triggered as types are not properly checked during the unserialization of 'SplArray'. This may allow a remote attacker to cause a crash or potentially have a more severe, unspecified impact.
 - An out-of-bounds access flaw exists in the 'phar_parse_tarfile()' function in 'ext/phar/tar.c' that is triggered during the verification of signatures. This may allow a remote attacker to have an unspecified impact.
 - A flaw is triggered as certain input is not properly validated when destroying deserialized objects. This may allow a remote attacker to corrupt memory and cause a denial of service or potentially execute arbitrary code.
 - An out-of-bounds read flaw exists in the 'php_wddx_push_element()' function in 'ext/wddx/wddx.c' that may allow a remote attacker to cause a crash or potentially disclose memory contents.
 - An integer overflow flaw exists in the 'fgetcsv()' function. The issue is triggered as certain input is not properly validated when handling CSV field lengths. This may allow a remote attacker to corrupt memory and cause a denial of service or potentially execute arbitrary code.
 - An integer overflow flaw exists in the 'wordwrap()' function in 'ext/standard/string.c'. The issue is triggered as certain input is not properly validated. This may allow a remote attacker to corrupt memory and cause a denial of service or potentially execute arbitrary code.
 - An integer overflow flaw exists in the 'fgets()' function in 'ext/standard/file.c'. The issue is triggered as certain input is not properly validated. This may allow a remote attacker to corrupt memory and cause a denial of service or potentially execute arbitrary code.
 - An integer overflow condition exists in the 'xml_utf8_encode()' function in 'ext/xml/xml.c'. The issue is triggered as certain input is not properly validated. This may allow a remote attacker to have an unspecified impact.
 - A flaw exists in the 'exif_process_IFD_in_TIFF()' function in 'ext/exif/exif.c' that is triggered during the handling of uninitialized thumbnail data. This may allow a remote attacker to disclose the contents of memory.

ID	Name	Product	Family	Severity
97720	Ubuntu 12.04 LTS / 14.04 LTS / 16.04 LTS / 16.10 : icu vulnerabilities (USN-3227-1)	Nessus	Ubuntu Local Security Checks	critical
96832	Tenable SecurityCenter < 5.4.1 Multiple Vulnerabilities (TNS-2016-19)	Nessus	Misc.	high
96744	GLSA-201701-58 : ICU: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	high
96005	Debian DLA-744-1 : icu security update	Nessus	Debian Local Security Checks	high
95361	Debian DSA-3725-1 : icu - security update	Nessus	Debian Local Security Checks	critical
95307	Fedora 25 : icu (2016-db6ea7f449)	Nessus	Fedora Local Security Checks	high
95306	Fedora 24 : icu (2016-a0dc2c43d0)	Nessus	Fedora Local Security Checks	high
9580	PHP 5.6.x < 5.6.26 / 7.0.x < 7.0.11 Multiple Vulnerabilities	Nessus Network Monitor	Web Servers	high

CVE-2016-7415

Description

References

Details

Risk Information

CVSS v2.0

CVSS v3.0

Vulnerable Software

Configuration 1

Tenable Plugins