The remote Oracle Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2013-0217 advisory.

    - Added patch for CVE-2012-0841
    - Added patch for CVE-2011-0216
    - Added patch for CVE-2011-2834
    - Added patch for CVE-2011-3919
    - Added patch for CVE-2011-1944

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.

Multiple vulnerabilities has been discovered and corrected in libxml/libxml2 :

Integer overflow in xpath.c in libxml2 2.6.x through 2.6.32 and 2.7.x through 2.7.8, and libxml 1.8.16 and earlier, allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted XML file that triggers a heap-based buffer overflow when adding a new namespace node, related to handling of XPath expressions (CVE-2011-1944).

The updated packages have been patched to correct this issue.

Update :

Packages were misssing for Mandriva Linux 2011 with the MDVSA-2011:131 advisory which are now being provided.

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2011:1749 advisory.

    The libxml2 library is a development toolbox providing the implementation     of various XML standards. One of those standards is the XML Path Language     (XPath), which is a language for addressing parts of an XML document.

    An off-by-one error, leading to a heap-based buffer overflow, was found in     the way libxml2 parsed certain XML files. A remote attacker could provide     a specially-crafted XML file that, when opened in an application linked     against libxml2, would cause the application to crash or, potentially,     execute arbitrary code with the privileges of the user running the     application. (CVE-2011-0216)

    An integer overflow flaw, leading to a heap-based buffer overflow, was     found in the way libxml2 parsed certain XPath expressions. If an attacker     were able to supply a specially-crafted XML file to an application using     libxml2, as well as an XPath expression for that application to run against     the crafted file, it could cause the application to crash or, possibly,     execute arbitrary code. (CVE-2011-1944)

    Multiple flaws were found in the way libxml2 parsed certain XPath     expressions. If an attacker were able to supply a specially-crafted XML     file to an application using libxml2, as well as an XPath expression for     that application to run against the crafted file, it could cause the     application to crash. (CVE-2010-4008, CVE-2010-4494, CVE-2011-2821,     CVE-2011-2834)

    Note: Red Hat does not ship any applications that use libxml2 in a way that     would allow the CVE-2011-1944, CVE-2010-4008, CVE-2010-4494, CVE-2011-2821,     and CVE-2011-2834 flaws to be exploited; however, third-party applications     may allow XPath expressions to be passed which could trigger these flaws.

    Red Hat would like to thank the Google Security Team for reporting the     CVE-2010-4008 issue. Upstream acknowledges Bui Quang Minh from Bkis as the     original reporter of CVE-2010-4008.

    This update also fixes the following bugs:

    * A number of patches have been applied to harden the XPath processing code     in libxml2, such as fixing memory leaks, rounding errors, XPath numbers     evaluations, and a potential error in encoding conversion. (BZ#732335)

    All users of libxml2 are advised to upgrade to these updated packages,     which contain backported patches to correct these issues. The desktop must     be restarted (log out, then log back in) for this update to take effect.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise 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.

Updated libxml2 packages that fix several security issues are now available for Red Hat Enterprise Linux 5.

The Red Hat Security Response Team has rated this update as having important security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.

The libxml2 library is a development toolbox providing the implementation of various XML standards. One of those standards is the XML Path Language (XPath), which is a language for addressing parts of an XML document.

A heap-based buffer overflow flaw was found in the way libxml2 decoded entity references with long names. A remote attacker could provide a specially crafted XML file that, when opened in an application linked against libxml2, would cause the application to crash or, potentially, execute arbitrary code with the privileges of the user running the application. (CVE-2011-3919)

An off-by-one error, leading to a heap-based buffer overflow, was found in the way libxml2 parsed certain XML files. A remote attacker could provide a specially crafted XML file that, when opened in an application linked against libxml2, would cause the application to crash or, potentially, execute arbitrary code with the privileges of the user running the application. (CVE-2011-0216)

An integer overflow flaw, leading to a heap-based buffer overflow, was found in the way libxml2 parsed certain XPath expressions. If an attacker were able to supply a specially crafted XML file to an application using libxml2, as well as an XPath expression for that application to run against the crafted file, it could cause the application to crash or, possibly, execute arbitrary code.
(CVE-2011-1944)

Flaws were found in the way libxml2 parsed certain XPath expressions.
If an attacker were able to supply a specially crafted XML file to an application using libxml2, as well as an XPath expression for that application to run against the crafted file, it could cause the application to crash. (CVE-2010-4008, CVE-2011-2834)

An out-of-bounds memory read flaw was found in libxml2. A remote attacker could provide a specially crafted XML file that, when opened in an application linked against libxml2, would cause the application to crash. (CVE-2011-3905)

Note: Red Hat does not ship any applications that use libxml2 in a way that would allow the CVE-2011-1944, CVE-2010-4008, and CVE-2011-2834 flaws to be exploited; however, third-party applications may allow XPath expressions to be passed which could trigger these flaws.

Red Hat would like to thank the Google Security Team for reporting the CVE-2010-4008 issue. Upstream acknowledges Bui Quang Minh from Bkis as the original reporter of CVE-2010-4008.

All users of libxml2 are advised to upgrade to these updated packages, which contain backported patches to correct these issues. The desktop must be restarted (log out, then log back in) for this update to take effect.

The remote host is running a version of Mac OS X 10.6 that does not have Security Update 2012-002 applied. This update contains multiple security-related fixes for the following components :

  - curl
  - Directory Service
  - ImageIO
  - libarchive
  - libsecurity
  - libxml
  - Quartz Composer
  - QuickTime
  - Ruby
  - Samba
  - Security Framework

a. ESXi update to third-party component libxml2

   The libxml2 third-party library has been updated which addresses    multiple security issues.

   The Common Vulnerabilities and Exposures project (cve.mitre.org)    has assigned the names CVE-2010-4008, CVE-2011-0216, CVE-2011-1944,    CVE-2011-2834, CVE-2011-3905, CVE-2011-3919 and CVE-2012-0841 to    these issues.

Lot of security fixes

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

IMPORTANT NOTE: The mingw32 packages in Scientific Linux 6 will no longer be updated proactively and will be deprecated with the release of Scientific Linux 6.4. These packages were provided to support other capabilities in Scientific Linux and were not intended for direct use.
You are advised to not use these packages with immediate effect.

A heap-based buffer overflow flaw was found in the way libxml2 decoded entity references with long names. A remote attacker could provide a specially crafted XML file that, when opened in an application linked against libxml2, would cause the application to crash or, potentially, execute arbitrary code with the privileges of the user running the application. (CVE-2011-3919)

A heap-based buffer underflow flaw was found in the way libxml2 decoded certain entities. A remote attacker could provide a specially crafted XML file that, when opened in an application linked against libxml2, would cause the application to crash or, potentially, execute arbitrary code with the privileges of the user running the application. (CVE-2012-5134)

It was found that the hashing routine used by libxml2 arrays was susceptible to predictable hash collisions. Sending a specially crafted message to an XML service could result in longer processing time, which could lead to a denial of service. To mitigate this issue, randomization has been added to the hashing function to reduce the chance of an attacker successfully causing intentional collisions.
(CVE-2012-0841)

Multiple flaws were found in the way libxml2 parsed certain XPath (XML Path Language) expressions. If an attacker were able to supply a specially crafted XML file to an application using libxml2, as well as an XPath expression for that application to run against the crafted file, it could cause the application to crash. (CVE-2010-4008, CVE-2010-4494, CVE-2011-2821, CVE-2011-2834)

Two heap-based buffer overflow flaws were found in the way libxml2 decoded certain XML files. A remote attacker could provide a specially crafted XML file that, when opened in an application linked against libxml2, would cause the application to crash or, potentially, execute arbitrary code with the privileges of the user running the application. (CVE-2011-0216, CVE-2011-3102)

An integer overflow flaw, leading to a heap-based buffer overflow, was found in the way libxml2 parsed certain XPath expressions. If an attacker were able to supply a specially crafted XML file to an application using libxml2, as well as an XPath expression for that application to run against the crafted file, it could cause the application to crash or, possibly, execute arbitrary code.
(CVE-2011-1944)

An out-of-bounds memory read flaw was found in libxml2. A remote attacker could provide a specially crafted XML file that, when opened in an application linked against libxml2, would cause the application to crash. (CVE-2011-3905)

Integer overflow in xpath.c, allows context-dependent attackers to to cause a denial of service (crash) and possibly execute arbitrary code via a crafted XML file that triggers a heap-based buffer overflow when adding a new namespace node, related to handling of XPath expressions.

According to its self-reported version number, the remote Junos device is affected by multiple vulnerabilities in the libxml2 library :

  - A heap-based buffer overflow vulnerability exists which     can result in arbitrary code execution. (CVE-2011-1944)

  - A denial of service vulnerability exists which can     result in excessive CPU consumption. (CVE-2012-0841)

  - A heap-based buffer overflow vulnerability exists in     the 'xmlParseAttValueComplex' function which can result     in arbitrary code execution. (CVE-2012-5134)

  - A denial of service vulnerability exists due to     excessive CPU and memory consumption in the processing     of XML files containing entity declarations with long     replacement text (also known as 'internal entity     expansion with linear complexity'). (CVE-2013-0338)

  - A denial of service vulnerability exists related to the     XML_PARSER_EOF state checking. (CVE-2013-2877)

These vulnerabilities can be exploited by a remote attacker via a specially crafted XML file.

The mobile device is running a version of iOS that is older than version 6.0.  Version 6.0 contains numerous security-related fixes for the following vulnerabilities :

  - Numerous memory errors exist related to handling     'TIFF', 'PNG' and 'JPEG' images and 'ImageIO' that could     allow arbitrary code execution. (CVE-2011-1167,     CVE-2011-3026, CVE-2011-3048, CVE-2011-3328,     CVE-2012-1173, CVE-2012-3726)

  - Several issues exist related to 'CoreGraphics' and     'FreeType' (CVE-2012-1126, CVE-2012-1127, CVE-2012-1128,     CVE-2012-1129, CVE-2012-1130, CVE-2012-1131,     CVE-2012-1132, CVE-2012-1133, CVE-2012-1134,     CVE-2012-1135, CVE-2012-1136, CVE-2012-1137,     CVE-2012-1138, CVE-2012-1139, CVE-2012-1140,     CVE-2012-1141, CVE-2012-1142, CVE-2012-1143,     CVE-2012-1144)

  - Numerous issues exist related to libxml and could lead     to application crashes or arbitrary code execution.
    (CVE-2011-1944, CVE-2011-2821, CVE-2011-2834,     CVE-2011-3919)

  - A stack-based buffer overflow exists related to 'locale     ID' and 'International Components for Unicode' (ICU).
    (CVE-2011-4599)

  - An unitialized memory access issue exists related to     'Sorenson' encoded movie files and 'CoreMedia'.
    (CVE-2012-3722)

  - An URL handling issue exists related to 'CFNetwork'     that can disclose sensitive information. (CVE-2012-3724)

  - The 'DNAv4' protocol discloses sensitive information     when connecting to unencrypted WiFi networks.
    (CVE-2012-3725)

  - A buffer overflow error exists related to 'IPSec' and     'racoon' configuration files. (CVE-2012-3727)

  - An invalid pointer dereference error exists related to     the kernel and packet filter ioctls. (CVE-2012-3728)

  - An uninitialized memory access error exists related to     the kernel and the Berkeley Packet Filter interpreter.
    (CVE-2012-3729)

  - Several issues exist related to 'Mail' and the handling     of attachments and 'S/MIME' signed messages.
    (CVE-2012-3730, CVE-2012-3731, CVE-2012-3732)

  - Information disclosure issues exist related to     'Messages', 'Office Viewer', system logs, and 'UIKit'.
    (CVE-2012-3733, CVE-2012-3734, CVE-2012-3743,     CVE-2012-3746)

  - Memory corruption errors exist related to 'OpenGL'.
    (CVE-2011-3457)

  - Numerous errors exist related to 'Passcode Lock'.
    (CVE-2012-3735, CVE-2012-3736, CVE-2012-3737,     CVE-2012-3738, CVE-2012-3739, CVE-2012-3740)

  - An error exists in 'Restrictions' that could allow     unauthorized purchases. (CVE-2012-3741)

  - Errors exist in 'Safari' that are related to misleading     URL characters and password auto complete.
    (CVE-2012-3742, CVE-2012-0680)

  - A buffer overflow error exists related to 'Telephony'     and SMS handling. (CVE-2012-3745)

  - Many errors exist related to the bundled 'WebKit'     components. (CVE-2011-2845, CVE-2011-3016,     CVE-2011-3021, CVE-2011-3027, CVE-2011-3032,     CVE-2011-3034, CVE-2011-3035, CVE-2011-3036,     CVE-2011-3037, CVE-2011-3038, CVE-2011-3039,     CVE-2011-3040, CVE-2011-3041, CVE-2011-3042,     CVE-2011-3043, CVE-2011-3044, CVE-2011-3050,     CVE-2011-3053, CVE-2011-3059, CVE-2011-3060,     CVE-2011-3064, CVE-2011-3067, CVE-2011-3068,     CVE-2011-3069, CVE-2011-3071, CVE-2011-3073,     CVE-2011-3074, CVE-2011-3075, CVE-2011-3076,     CVE-2011-3078, CVE-2011-3081, CVE-2011-3086,     CVE-2011-3089, CVE-2011-3090, CVE-2011-3105,     CVE-2011-3913, CVE-2011-3924, CVE-2011-3926,     CVE-2011-3958, CVE-2011-3966, CVE-2011-3968,     CVE-2011-3969, CVE-2011-3971, CVE-2012-0682,     CVE-2012-0683, CVE-2012-1520, CVE-2012-1521,     CVE-2012-2815, CVE-2012-2818, CVE-2012-3589,     CVE-2012-3590, CVE-2012-3591, CVE-2012-3592,     CVE-2012-3593, CVE-2012-3594, CVE-2012-3595,     CVE-2012-3596, CVE-2012-3597, CVE-2012-3598,     CVE-2012-3599, CVE-2012-3600, CVE-2012-3601,     CVE-2012-3602, CVE-2012-3603, CVE-2012-3604,     CVE-2012-3605, CVE-2012-3608, CVE-2012-3609,     CVE-2012-3610, CVE-2012-3611, CVE-2012-3612,     CVE-2012-3613, CVE-2012-3614, CVE-2012-3615,     CVE-2012-3617, CVE-2012-3618, CVE-2012-3620,     CVE-2012-3624, CVE-2012-3625, CVE-2012-3626,     CVE-2012-3627, CVE-2012-3628, CVE-2012-3629,     CVE-2012-3630, CVE-2012-3631, CVE-2012-3633,     CVE-2012-3634, CVE-2012-3635, CVE-2012-3636,     CVE-2012-3637, CVE-2012-3638, CVE-2012-3639,     CVE-2012-3640, CVE-2012-3641, CVE-2012-3642,     CVE-2012-3644, CVE-2012-3645, CVE-2012-3646,     CVE-2012-3647, CVE-2012-3648, CVE-2012-3650,     CVE-2012-3651, CVE-2012-3652, CVE-2012-3653,     CVE-2012-3655, CVE-2012-3656, CVE-2012-3658,     CVE-2012-3659, CVE-2012-3660, CVE-2012-3661,     CVE-2012-3663, CVE-2012-3664, CVE-2012-3665,     CVE-2012-3666, CVE-2012-3667, CVE-2012-3668,     CVE-2012-3669, CVE-2012-3670, CVE-2012-3671,     CVE-2012-3672, CVE-2012-3673, CVE-2012-3674,     CVE-2012-3676, CVE-2012-3677, CVE-2012-3678,     CVE-2012-3679, CVE-2012-3680, CVE-2012-3681,     CVE-2012-3682, CVE-2012-3683, CVE-2012-3684,     CVE-2012-3686, CVE-2012-3691, CVE-2012-3693,     CVE-2012-3695, CVE-2012-3696, CVE-2012-3703,     CVE-2012-3704, CVE-2012-3706, CVE-2012-3708,     CVE-2012-3710, CVE-2012-3747)

According to its self-reported version, the Nessus Network Monitor running on the remote host is prior to 6.2.2. It is, therefore, affected by multiple vulnerabilities as referenced in the TNS-2023-23 advisory. Several of the third-party components were found to contain vulnerabilities, and updated versions have been made available by the providers. Out of caution and in line with best practice, Tenable has opted to upgrade these components to address the potential impact of the issues. Nessus Network Monitor 6.2.2 updates the following components:

  - c-ares from version 1.10.0 to version 1.19.1.
  - curl from version 7.79.1 to version 8.1.2.
  - libbzip2 from version 1.0.6 to version 1.0.8.
  - libpcre from version 8.42 to version 8.44.
  - libxml2 from version 2.7.7 to version 2.11.1.
  - libxslt from version 1.1.26 to version 1.1.37.
  - libxmlsec from version 1.2.18 to version 1.2.37.
  - sqlite from version 3.27.2 to version 3.40.1.
  - jQuery Cookie from version 1.3.1 to version 1.4.1.
  - jQuery UI from version 1.13.0 to version 1.13.2.
  - OpenSSL from version 3.0.8 to version 3.0.9.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
68721	Oracle Linux 6 : mingw32-libxml2 (ELSA-2013-0217)	Nessus	Oracle Linux Local Security Checks	2013/7/12	2024/10/22	critical
56085	Mandriva Linux Security Advisory : libxml (MDVSA-2011:131-1)	Nessus	Mandriva Local Security Checks	2011/9/6	2021/1/6	high
57022	RHEL 6 : libxml2 (RHSA-2011:1749)	Nessus	Red Hat Local Security Checks	2011/12/6	2025/4/14	critical
57487	CentOS 5 : libxml2 (CESA-2012:0017)	Nessus	CentOS Local Security Checks	2012/1/12	2021/1/4	high
59067	Mac OS X Multiple Vulnerabilities (Security Update 2012-002) (BEAST)	Nessus	MacOS X Local Security Checks	2012/5/10	2024/5/28	critical
59966	VMSA-2012-0012 : VMware ESXi update to third-party library	Nessus	VMware ESX Local Security Checks	2012/7/13	2021/1/6	high
62323	Fedora 17 : libxml2-2.7.8-9.fc17 (2012-13820)	Nessus	Fedora Local Security Checks	2012/9/27	2021/1/11	high
64425	Scientific Linux Security Update : mingw32-libxml2 on SL6.x (x86_64) (20130131)	Nessus	Scientific Linux Local Security Checks	2013/2/4	2021/1/14	high
65968	FreeBSD : libxml -- Integer overflow (7be92050-a450-11e2-9898-001060e06fd4)	Nessus	FreeBSD Local Security Checks	2013/4/14	2021/1/6	high
80957	Juniper Junos libxml2 Library Multiple Vulnerabilities (JSA10669)	Nessus	Junos Local Security Checks	2015/1/23	2018/7/12	high
62242	Apple iOS < 6.0 Multiple Vulnerabilities	Nessus	Mobile Devices	2012/9/24	2026/3/23	critical
177842	Nessus Network Monitor < 6.2.2 Multiple Vulnerabilities (TNS-2023-23)	Nessus	Misc.	2023/6/30	2023/7/6	critical

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