The mtree bidder in libarchive 3.2.1 does not keep track of line sizes when extending the read-ahead, which allows remote attackers to cause a denial of service (crash) via a crafted file, which triggers an invalid read in the (1) detect_form or (2) bid_entry function in libarchive/archive_read_support_format_mtree.c. (CVE-2016-8688)

Agostino Sarubbo of Gentoo discovered several security vulnerabilities in libarchive, a multi-format archive and compression library. An attacker could take advantage of these flaws to cause a buffer overflow or an out of bounds read using a carefully crafted input file.

CVE-2016-8687

Agostino Sarubbo of Gentoo discovered a possible stack-based buffer overflow when printing a filename in bsdtar_expand_char() of util.c.

CVE-2016-8688

Agostino Sarubbo of Gentoo discovered a possible out of bounds read when parsing multiple long lines in bid_entry() and detect_form() of archive_read_support_format_mtree.c.

CVE-2016-8689

Agostino Sarubbo of Gentoo discovered a possible heap-based buffer overflow when reading corrupted 7z files in read_Header() of archive_read_support_format_7zip.c.

For Debian 7 'Wheezy', these problems have been fixed in version 3.0.4-3+wheezy5.

We recommend that you upgrade your libarchive 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.

According to its self-reported version number, the version of Splunk Enterprise hosted on the remote web server is 5.0.x prior to 5.0.17, 6.0.x prior to 6.0.13, 6.1.x prior to 6.1.12, 6.2.x prior to 6.2.13, 6.3.x prior to 6.3.9, 6.4.x prior to 6.4.5, or 6.5.x prior to 6.5.2;
or else it is Splunk Light prior to 6.5.2. It is, therefore, affected by multiple vulnerabilities :

  - A security bypass vulnerability exists in the libarchive     component due to a failure to properly check hardlinks     that contain payload data. An unauthenticated, remote     attacker can exploit this to bypass sandbox     restrictions. (CVE-2016-5418)

  - An out-of-bounds write error exists in the libarchive     component in the get_line_size() function in     archive_read_support_format_mtree.c that is triggered     when parsing lines. An unauthenticated, remote attacker     can exploit this to crash the library or disclose     memory contents. (CVE-2016-8688)

 -  An information disclosure vulnerability exists in Splunk     Light due to various system information being assigned     to the global window property '$C' when a request is     made to '/en-US/config?autoload=1'. An unauthenticated,     remote attacker attacker can exploit this, via a     specially crafted web page, to disclose sensitive     information. (CVE-2017-5607)

  - A denial of service vulnerability exists in the Splunk     Web component due to improper validation of     user-supplied input. An authenticated, remote attacker     can exploit this, via a specially crafted GET request,     to crash the daemon. (CVE-2017-5880)

  - A flaw exists in the libarchive component in the     check_symlinks() function in archive_write_disk_posix.c     that is triggered during the handling of subdirectories.
    An unauthenticated, remote attacker can exploit this to     overwrite arbitrary files.

  - A flaw exists in the libarchive component in the     edit_deep_directories() function due to symlink checks     and deep-directory support failing to properly handle     overly long pathnames. An unauthenticated, remote     attacker can exploit this to overwrite arbitrary files.

  - A flaw exists in the libarchive component in the     check_symlinks() function that is due to an overly     aggressive cached path handling mechanism. An     unauthenticated, remote attacker can exploit this to     make changes to the permissions of arbitrary     directories.

  - An out-of-bounds write error exists in the libarchive     component in the bsdtar_expand_char() function in util.c     due to improper handling of crafted archives. An     unauthenticated, remote attacker can exploit this, by     convincing a user to open or load a specially crafted     archive, to execute arbitrary code.

  - A stored cross-site scripting (XSS) vulnerability exists     due to improper validation of input before returning it     to users. An authenticated, remote attacker who has     administrative access can exploit this, via a specially     crafted request, to execute arbitrary script code in a     user's browser session.

  - A stored cross-site scripting (XSS) vulnerability exists     in Splunk Light within the web interface due to improper     validation of unspecified input before returning to     users. An authenticated, remote attacker can exploit     this, via a specially crafted request, to execute     arbitrary script code in a user's browser session.

Note that the vulnerabilities in the libarchive component do not affect Splunk Enterprise 6.5.1 or Splunk Light 6.5.1.

This update for libarchive fixes several issues. These security issues were fixed :

  - CVE-2016-8687: Buffer overflow when printing a filename     (bsc#1005070).

  - CVE-2016-8689: Heap overflow when reading corrupted 7Zip     files (bsc#1005072).

  - CVE-2016-8688: Use after free because of incorrect     calculation in next_line (bsc#1005076).

  - CVE-2016-5844: Integer overflow in the ISO parser in     libarchive allowed remote attackers to cause a denial of     service (application crash) via a crafted ISO file     (bsc#986566).

  - CVE-2016-6250: Integer overflow in the ISO9660 writer in     libarchive allowed remote attackers to cause a denial of     service (application crash) or execute arbitrary code     via vectors related to verifying filename lengths when     writing an ISO9660 archive, which trigger a buffer     overflow (bsc#989980).

  - CVE-2016-5418: The sandboxing code in libarchive     mishandled hardlink archive entries of non-zero data     size, which might allowed remote attackers to write to     arbitrary files via a crafted archive file (bsc#998677).

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

It was discovered that libarchive incorrectly handled hardlink entries when extracting archives. A remote attacker could possibly use this issue to overwrite arbitrary files. (CVE-2016-5418)

Christian Wressnegger, Alwin Maier, and Fabian Yamaguchi discovered that libarchive incorrectly handled filename lengths when writing ISO9660 archives. A remote attacker could use this issue to cause libarchive to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only applied to Ubuntu 12.04 LTS, Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-6250)

Alexander Cherepanov discovered that libarchive incorrectly handled recursive decompressions. A remote attacker could possibly use this issue to cause libarchive to hang, resulting in a denial of service.
This issue only applied to Ubuntu 12.04 LTS, Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-7166)

It was discovered that libarchive incorrectly handled non-printable multibyte characters in filenames. A remote attacker could possibly use this issue to cause libarchive to crash, resulting in a denial of service. (CVE-2016-8687)

It was discovered that libarchive incorrectly handled line sizes when extracting certain archives. A remote attacker could possibly use this issue to cause libarchive to crash, resulting in a denial of service.
(CVE-2016-8688)

It was discovered that libarchive incorrectly handled multiple EmptyStream attributes when extracting certain 7zip archives. A remote attacker could possibly use this issue to cause libarchive to crash, resulting in a denial of service. (CVE-2016-8689)

Jakub Jirasek discovered that libarchive incorrectly handled memory when extracting certain archives. A remote attacker could possibly use this issue to cause libarchive to crash, resulting in a denial of service. (CVE-2017-5601).

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.

This update for libarchive fixes several issues.

These security issues were fixed :

  - CVE-2016-8687: Buffer overflow when printing a filename     (bsc#1005070).

  - CVE-2016-8689: Heap overflow when reading corrupted 7Zip     files (bsc#1005072).

  - CVE-2016-8688: Use after free because of incorrect     calculation in next_line (bsc#1005076).

  - CVE-2016-5844: Integer overflow in the ISO parser in     libarchive allowed remote attackers to cause a denial of     service (application crash) via a crafted ISO file     (bsc#986566).

  - CVE-2016-6250: Integer overflow in the ISO9660 writer in     libarchive allowed remote attackers to cause a denial of     service (application crash) or execute arbitrary code     via vectors related to verifying filename lengths when     writing an ISO9660 archive, which trigger a buffer     overflow (bsc#989980).

  - CVE-2016-5418: The sandboxing code in libarchive     mishandled hardlink archive entries of non-zero data     size, which might allowed remote attackers to write to     arbitrary files via a crafted archive file (bsc#998677).

This update was imported from the SUSE:SLE-12:Update update project.

According to the versions of the libarchive package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - The read_Header function in     archive_read_support_format_7zip.c in libarchive 3.2.1     allows remote attackers to cause a denial of service     (out-of-bounds read) via multiple EmptyStream     attributes in a header in a 7zip     archive.(CVE-2016-8689)

  - Stack-based buffer overflow in the safe_fprintf     function in tar/util.c in libarchive 3.2.1 allows     remote attackers to cause a denial of service via a     crafted non-printable multibyte character in a     filename.(CVE-2016-8687)

  - libarchive 3.3.2 suffers from an out-of-bounds read     within lha_read_data_none() in     archive_read_support_format_lha.c when extracting a     specially crafted lha archive, related to     lha_crc16.(CVE-2017-14503)

  - An out-of-bounds read flaw exists in parse_file_info in     archive_read_support_format_iso9660.c in libarchive     3.3.2 when extracting a specially crafted iso9660 iso     file, related to     archive_read_format_iso9660_read_header.(CVE-2017-14501     )

  - libarchive 3.3.2 allows remote attackers to cause a     denial of service (xml_data heap-based buffer over-read     and application crash) via a crafted xar archive,     related to the mishandling of empty strings in the     atol8 function in     archive_read_support_format_xar.c.(CVE-2017-14166)

  - The mtree bidder in libarchive 3.2.1 does not keep     track of line sizes when extending the read-ahead,     which allows remote attackers to cause a denial of     service (crash) via a crafted file, which triggers an     invalid read in the (1) detect_form or (2) bid_entry     function in     libarchive/archive_read_support_format_mtree.c.(CVE-201     6-8688)

  - The archive_read_format_cab_read_header function in     archive_read_support_format_cab.c in libarchive 3.2.2     allows remote attackers to cause a denial of service     (heap-based buffer over-read and application crash) via     a crafted file.(CVE-2016-10350)

  - The archive_le32dec function in archive_endian.h in     libarchive 3.2.2 allows remote attackers to cause a     denial of service (heap-based buffer over-read and     application crash) via a crafted file.(CVE-2016-10349)

  - The archive_wstring_append_from_mbs function in     archive_string.c in libarchive 3.2.2 allows remote     attackers to cause a denial of service (NULL pointer     dereference and application crash) via a crafted     archive file.(CVE-2016-10209)

  - Integer overflow in the archive_read_format_tar_skip     function in archive_read_support_format_tar.c in     libarchive before 3.2.0 allows remote attackers to     cause a denial of service (crash) via a crafted tar     file.(CVE-2015-8933)

  - bsdcpio in libarchive before 3.2.0 allows remote     attackers to cause a denial of service (invalid read     and crash) via crafted cpio file.(CVE-2015-8915)

  - Absolute path traversal vulnerability in bsdcpio in     libarchive 3.1.2 and earlier allows remote attackers to     write to arbitrary files via a full pathname in an     archive.(CVE-2015-2304)

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

Multiple security vulnerabilities were found in libarchive, a multi-format archive and compression library. Heap-based buffer over-reads, NULL pointer dereferences and out-of-bounds reads allow remote attackers to cause a denial of service (application crash) via specially crafted archive files.

For Debian 8 'Jessie', these problems have been fixed in version 3.1.2-11+deb8u4.

We recommend that you upgrade your libarchive 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.

An update of the libarchive package has been released.

An update of [binutils,ntp,libarchive] packages for PhotonOS has been released.

The remote host is affected by the vulnerability described in GLSA-201701-03 (libarchive: Multiple vulnerabilities)

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

    A remote attacker could entice a user to open a specially crafted       archive file possibly resulting in the execution of arbitrary code with       the privileges of the process or a Denial of Service condition.
  Workaround :

    There is no known workaround at this time.

ID	Name	Product	Family	Published	Updated	Severity
97360	F5 Networks BIG-IP : libarchive vulnerability (K35263486)	Nessus	F5 Networks Local Security Checks	2017/02/24	2019/07/17	medium
94102	Debian DLA-661-1 : libarchive security update	Nessus	Debian Local Security Checks	2016/10/18	2018/07/10	medium
97100	Splunk Enterprise < 5.0.17 / 6.0.13 / 6.1.12 / 6.2.13 / 6.3.9 / 6.4.5 / 6.5.2 or Splunk Light < 6.5.2 Multiple Vulnerabilities	Nessus	CGI abuses	2017/02/10	2019/11/13	medium
95367	SUSE SLED12 / SLES12 Security Update : libarchive (SUSE-SU-2016:2911-1)	Nessus	SuSE Local Security Checks	2016/11/28	2019/09/11	high
97660	Ubuntu 12.04 LTS / 14.04 LTS / 16.04 LTS / 16.10 : libarchive vulnerabilities (USN-3225-1)	Nessus	Ubuntu Local Security Checks	2017/03/10	2019/09/18	high
95558	openSUSE Security Update : libarchive (openSUSE-2016-1404)	Nessus	SuSE Local Security Checks	2016/12/06	2016/12/06	high
95559	openSUSE Security Update : libarchive (openSUSE-2016-1405)	Nessus	SuSE Local Security Checks	2016/12/06	2016/12/06	high
130664	EulerOS 2.0 SP5 : libarchive (EulerOS-SA-2019-2202)	Nessus	Huawei Local Security Checks	2019/11/08	2019/11/08	medium
119289	Debian DLA-1600-1 : libarchive security update	Nessus	Debian Local Security Checks	2018/11/30	2018/11/30	medium
121677	Photon OS 1.0: Libarchive PHSA-2017-0010	Nessus	PhotonOS Local Security Checks	2019/02/07	2019/02/07	high
111859	Photon OS 1.0: Binutils / Libarchive / Ntp PHSA-2017-0010 (deprecated)	Nessus	PhotonOS Local Security Checks	2018/08/17	2019/02/07	high
96234	GLSA-201701-03 : libarchive: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	2017/01/03	2017/01/03	high

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