The remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2013:0217 advisory.

    These packages provide the libxml2 library, a development toolbox providing     the implementation of various XML standards, for users of MinGW (Minimalist     GNU for Windows).

    IMPORTANT NOTE: The mingw32 packages in Red Hat Enterprise Linux 6 will no     longer be updated proactively and will be deprecated with the release of     Red Hat Enterprise Linux 6.4. These packages were provided to support other     capabilities in Red Hat Enterprise Linux and were not intended for direct     customer use. Customers are advised to not use these packages with     immediate effect. Future updates to these packages will be at Red Hat's     discretion and these packages may be removed in a future minor release.

    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)

    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 mingw32-libxml2 are advised to upgrade to these updated     packages, which contain backported patches to correct these issues.

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.

The remote MiracleLinux 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2012-10:01 advisory.

    This library allows to manipulate XML files. It includes support to read, modify and write XML and HTML     files. There is DTDs support this includes parsing and validation even with complex DtDs, either at parse     time or later once the document has been modified. The output can be a simple SAX stream or and in-memory     DOM like representations. In this case one can use the built-in XPath and XPointer implementation to     select subnodes or ranges. A flexible Input/Output mechanism is available, with existing HTTP and FTP     modules and combined to an URI library.
    Security issues fixed with this release:
    CVE-2010-4008     libxml2 before 2.7.8, as used in Google Chrome before 7.0.517.44, Apple Safari 5.0.2 and earlier, and     other products, reads from invalid memory locations during processing of malformed XPath expressions,     which allows context-dependent attackers to cause a denial of service (application crash) via a crafted     XML document.
    CVE-2010-4494     Double free vulnerability in libxml2 2.7.8 and other versions, as used in Google Chrome before 8.0.552.215     and other products, allows remote attackers to cause a denial of service or possibly have unspecified     other impact via vectors related to XPath handling.
    CVE-2011-0216     Off-by-one error in libxml in Apple Safari before 5.0.6 allows remote attackers to execute arbitrary code     or cause a denial of service (heap-based buffer overflow and application crash) via a crafted web site.
    CVE-2011-1944     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-2011-2821     Double free vulnerability in libxml2, as used in Google Chrome before 13.0.782.215, allows remote     attackers to cause a denial of service or possibly have unspecified other impact via a crafted XPath     expression.
    CVE-2011-2834     Double free vulnerability in libxml2, as used in Google Chrome before 14.0.835.163, allows remote     attackers to cause a denial of service or possibly have unspecified other impact via vectors related to     XPath handling.

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

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

A bug in the Xpath processing inside libxml2 has been fixed.
CVE-2010-4494 was assigned to this issue.

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.

The version of Safari installed on the remote Windows host is earlier than 5.0.4.  It therefore is potentially affected by several issues in the following components :

  - ImageIO

  - libxml

  - WebKit

The version of Google Chrome installed on the remote host is earlier than 8.0.552.215.  Such versions are reportedly affected by multiple vulnerabilities :

  - It may be possible to bypass the pop-up blocker.
    (Issue #17655)

  - A cross-origin video theft vulnerability exists related     to canvas. (Issue #55745)

  - An unspecified crash exists when handling HTML5     databases. (Issue #56237)

  - Excessive file dialogs could lead to a browser crash.
    (Issue #58329)

  - A use after free error exists in history handling.
    (Issue #59554)

  - It may be possible to crash the browser when performing     http proxy  authentication. (Issue #61701)

  - An out-of-bounds read regression exists in the WebM     video support. (Issue #61701)

  - It may be possible to crash the browser due to bad     indexing with malformed video. (Issue #62127)

  - A memory corruption issue exists relating to malicious     privileged extension. (Issue #62168)

  - A use-after-free error exists in the handling of SVG     animations. (Issue #62401)

  - A use-after-free error exists in the mouse dragging     event handling. (Issue #63051)

  - A double free error exists in XPath handling.
    (Issue #63444)

The remote host is running a version of Mac OS X 10.6.x that is prior to 10.6.7.

Mac OS X 10.6.7 contains security fixes for the following products :

  - AirPort
  - Apache
  - AppleScript
  - ATS
  - bzip2
  - CarbonCore
  - ClamAV
  - CoreText
  - File Quarantine
  - HFS
  - ImageIO
  - Image RAW
  - Installer
  - Kerberos
  - Kernel
  - Libinfo
  - libxml
  - Mailman
  - PHP
  - QuickLook
  - QuickTime
  - Ruby
  - Samba
  - Subversion
  - Terminal
  - X11

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
64391	RHEL 6 : mingw32-libxml2 (RHSA-2013:0217)	Nessus	Red Hat Local Security Checks	2013/2/1	2025/4/15	critical
284198	MiracleLinux 4 : libxml2-2.7.6-4.0.1.AXS4 (AXSA:2012-10:01)	Nessus	Miracle Linux Local Security Checks	2026/1/14	2026/1/14	critical
53253	SuSE 11.1 Security Update : libxml2 (SAT Patch Number 3775)	Nessus	SuSE Local Security Checks	2011/4/1	2021/1/19	critical
68721	Oracle Linux 6 : mingw32-libxml2 (ELSA-2013-0217)	Nessus	Oracle Linux Local Security Checks	2013/7/12	2024/10/22	critical
52613	Safari < 5.0.4 Multiple Vulnerabilities	Nessus	Windows	2011/3/10	2018/7/27	high
50977	Google Chrome < 8.0.552.215 Multiple Vulnerabilities	Nessus	Windows	2010/12/3	2022/4/11	high
52754	Mac OS X 10.6.x < 10.6.7 Multiple Vulnerabilities	Nessus	MacOS X Local Security Checks	2011/3/22	2024/5/28	high

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