The remote Oracle Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2016-3558 advisory.

    - fix CVE-2016-2105 - possible overflow in base64 encoding
    - fix CVE-2016-2106 - possible overflow in EVP_EncryptUpdate()
    - fix CVE-2016-2107 - padding oracle in stitched AES-NI CBC-MAC
    - fix CVE-2016-2108 - memory corruption in ASN.1 encoder
    - fix CVE-2016-2109 - possible DoS when reading ASN.1 data from BIO

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

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

The remote Oracle Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2016-0996 advisory.

    - fix CVE-2016-2105 - possible overflow in base64 encoding
    - fix CVE-2016-2106 - possible overflow in EVP_EncryptUpdate()
    - fix CVE-2016-2107 - padding oracle in stitched AES-NI CBC-MAC
    - fix CVE-2016-2108 - memory corruption in ASN.1 encoder
    - fix CVE-2016-2109 - possible DoS when reading ASN.1 data from BIO
    - fix CVE-2016-0799 - memory issues in BIO_printf
    - fix CVE-2016-0702 - side channel attack on modular exponentiation
    - fix CVE-2016-0705 - double-free in DSA private key parsing
    - fix CVE-2016-0797 - heap corruption in BN_hex2bn and BN_dec2bn
    - fix CVE-2015-3197 - SSLv2 ciphersuite enforcement
    - fix CVE-2015-7575 - disallow use of MD5 in TLS1.2
    - fix CVE-2015-3194 - certificate verify crash with missing PSS parameter
    - fix CVE-2015-3195 - X509_ATTRIBUTE memory leak

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

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 running a version of Mac OS X that is 10.11.x prior to 10.11.6. It is, therefore, affected by multiple vulnerabilities in the following components :

  - apache_mod_php
  - Audio
  - bsdiff
  - CFNetwork
  - CoreGraphics
  - FaceTime
  - Graphics Drivers
  - ImageIO
  - Intel Graphics Driver
  - IOHIDFamily
  - IOKit
  - IOSurface
  - Kernel
  - libc++abi
  - libexpat
  - LibreSSL
  - libxml2
  - libxslt
  - Login Window
  - OpenSSL
  - QuickTime
  - Safari Login AutoFill
  - Sandbox Profiles

Note that successful exploitation of the most serious issues can result in arbitrary code execution.

This update for openssl fixes the following issues :

  - CVE-2016-2108: Memory corruption in the ASN.1 encoder     (bsc#977617)

  - CVE-2016-2107: Padding oracle in AES-NI CBC MAC check     (bsc#977616)

  - CVE-2016-2105: EVP_EncodeUpdate overflow (bsc#977614)

  - CVE-2016-2106: EVP_EncryptUpdate overflow (bsc#977615)

  - CVE-2016-2109: ASN.1 BIO excessive memory allocation     (bsc#976942)

  - bsc#976943: Buffer overrun in ASN1_parse

  - bsc#977621: Preserve negotiated digests for SNI     (bsc#977621)

  - bsc#958501: Fix openssl enc -non-fips-allow option in     FIPS mode (bsc#958501)

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.

An update for openssl is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols, as well as a full-strength general-purpose cryptography library.

Security Fix(es) :

* A flaw was found in the way OpenSSL encoded certain ASN.1 data structures. An attacker could use this flaw to create a specially crafted certificate which, when verified or re-encoded by OpenSSL, could cause it to crash, or execute arbitrary code using the permissions of the user running an application compiled against the OpenSSL library. (CVE-2016-2108)

* Two integer overflow flaws, leading to buffer overflows, were found in the way the EVP_EncodeUpdate() and EVP_EncryptUpdate() functions of OpenSSL parsed very large amounts of input data. A remote attacker could use these flaws to crash an application using OpenSSL or, possibly, execute arbitrary code with the permissions of the user running that application. (CVE-2016-2105, CVE-2016-2106)

* It was discovered that OpenSSL leaked timing information when decrypting TLS/SSL and DTLS protocol encrypted records when the connection used the AES CBC cipher suite and the server supported AES-NI. A remote attacker could possibly use this flaw to retrieve plain text from encrypted packets by using a TLS/SSL or DTLS server as a padding oracle. (CVE-2016-2107)

* Several flaws were found in the way BIO_*printf functions were implemented in OpenSSL. Applications which passed large amounts of untrusted data through these functions could crash or potentially execute code with the permissions of the user running such an application. (CVE-2016-0799, CVE-2016-2842)

* A denial of service flaw was found in the way OpenSSL parsed certain ASN.1-encoded data from BIO (OpenSSL's I/O abstraction) inputs. An application using OpenSSL that accepts untrusted ASN.1 BIO input could be forced to allocate an excessive amount of data. (CVE-2016-2109)

Red Hat would like to thank the OpenSSL project for reporting CVE-2016-2108, CVE-2016-2842, CVE-2016-2105, CVE-2016-2106, CVE-2016-2107, and CVE-2016-0799. Upstream acknowledges Huzaifa Sidhpurwala (Red Hat), Hanno Bock, and David Benjamin (Google) as the original reporters of CVE-2016-2108; Guido Vranken as the original reporter of CVE-2016-2842, CVE-2016-2105, CVE-2016-2106, and CVE-2016-0799; and Juraj Somorovsky as the original reporter of CVE-2016-2107.

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2016-0722 advisory.

    - fix CVE-2016-2105 - possible overflow in base64 encoding
    - fix CVE-2016-2106 - possible overflow in EVP_EncryptUpdate()
    - fix CVE-2016-2107 - padding oracle in stitched AES-NI CBC-MAC
    - fix CVE-2016-2108 - memory corruption in ASN.1 encoder
    - fix CVE-2016-2109 - possible DoS when reading ASN.1 data from BIO

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

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

An update for openssl is now available for Red Hat Enterprise Linux 6.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols, as well as a full-strength general-purpose cryptography library.

Security Fix(es) :

* A flaw was found in the way OpenSSL encoded certain ASN.1 data structures. An attacker could use this flaw to create a specially crafted certificate which, when verified or re-encoded by OpenSSL, could cause it to crash, or execute arbitrary code using the permissions of the user running an application compiled against the OpenSSL library. (CVE-2016-2108)

* Two integer overflow flaws, leading to buffer overflows, were found in the way the EVP_EncodeUpdate() and EVP_EncryptUpdate() functions of OpenSSL parsed very large amounts of input data. A remote attacker could use these flaws to crash an application using OpenSSL or, possibly, execute arbitrary code with the permissions of the user running that application. (CVE-2016-2105, CVE-2016-2106)

* It was discovered that OpenSSL leaked timing information when decrypting TLS/SSL and DTLS protocol encrypted records when the connection used the AES CBC cipher suite and the server supported AES-NI. A remote attacker could possibly use this flaw to retrieve plain text from encrypted packets by using a TLS/SSL or DTLS server as a padding oracle. (CVE-2016-2107)

* Several flaws were found in the way BIO_*printf functions were implemented in OpenSSL. Applications which passed large amounts of untrusted data through these functions could crash or potentially execute code with the permissions of the user running such an application. (CVE-2016-0799, CVE-2016-2842)

* A denial of service flaw was found in the way OpenSSL parsed certain ASN.1-encoded data from BIO (OpenSSL's I/O abstraction) inputs. An application using OpenSSL that accepts untrusted ASN.1 BIO input could be forced to allocate an excessive amount of data. (CVE-2016-2109)

Red Hat would like to thank the OpenSSL project for reporting CVE-2016-2108, CVE-2016-2842, CVE-2016-2105, CVE-2016-2106, CVE-2016-2107, and CVE-2016-0799. Upstream acknowledges Huzaifa Sidhpurwala (Red Hat), Hanno Bock, and David Benjamin (Google) as the original reporters of CVE-2016-2108; Guido Vranken as the original reporter of CVE-2016-2842, CVE-2016-2105, CVE-2016-2106, and CVE-2016-0799; and Juraj Somorovsky as the original reporter of CVE-2016-2107.

ID	Name	Product	Family	Published	Updated	Severity
181033	Oracle Linux 6 : openssl (ELSA-2016-3558)	Nessus	Oracle Linux Local Security Checks	9/7/2023	2/9/2026	critical
91152	Oracle Linux 6 : openssl (ELSA-2016-0996)	Nessus	Oracle Linux Local Security Checks	5/16/2016	10/22/2024	critical
92496	Mac OS X 10.11.x < 10.11.6 Multiple Vulnerabilities	Nessus	MacOS X Local Security Checks	7/21/2016	5/28/2024	critical
90913	SUSE SLED12 / SLES12 Security Update : openssl (SUSE-SU-2016:1228-1)	Nessus	SuSE Local Security Checks	5/5/2016	1/6/2021	critical
91017	CentOS 7 : openssl (CESA-2016:0722)	Nessus	CentOS Local Security Checks	5/11/2016	1/4/2021	critical
91029	Oracle Linux 7 : openssl (ELSA-2016-0722)	Nessus	Oracle Linux Local Security Checks	5/11/2016	4/29/2025	critical
91037	RHEL 6 : openssl (RHSA-2016:0996)	Nessus	Red Hat Local Security Checks	5/11/2016	10/24/2019	critical

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