This update for libxml2 fixes the following issues: Security issues fixed :

  - CVE-2017-0663: Fixed a heap buffer overflow in xmlAddID     (bsc#1044337)

  - CVE-2017-5969: Fixed a NULL pointer deref in     xmlDumpElementContent (bsc#1024989)

  - CVE-2017-7375: Prevented an unwanted external entity     reference (bsc#1044894)

  - CVE-2017-7376: Increase buffer space for port in HTTP     redirect support (bsc#1044887)

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.

The remote Ubuntu 14.04 LTS / 16.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3424-1 advisory.

    It was discovered that a type confusion error existed in libxml2. An attacker could use this to specially     construct XML data that could cause a denial of service or possibly execute arbitrary code.
    (CVE-2017-0663)

    It was discovered that libxml2 did not properly validate parsed entity references. An attacker could use     this to specially construct XML data that could expose sensitive information. (CVE-2017-7375)

    It was discovered that a buffer overflow existed in libxml2 when handling HTTP redirects. An attacker     could use this to specially construct XML data that could cause a denial of service or possibly execute     arbitrary code. (CVE-2017-7376)

    Marcel Bhme and Van-Thuan Pham discovered a buffer overflow in libxml2 when handling elements. An     attacker could use this to specially construct XML data that could cause a denial of service or possibly     execute arbitrary code. (CVE-2017-9047)

    Marcel Bhme and Van-Thuan Pham discovered a buffer overread in libxml2 when handling elements. An     attacker could use this to specially construct XML data that could cause a denial of service.
    (CVE-2017-9048)

    Marcel Bhme and Van-Thuan Pham discovered multiple buffer overreads in libxml2 when handling parameter-     entity references. An attacker could use these to specially construct XML data that could cause a denial     of service. (CVE-2017-9049, CVE-2017-9050)

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

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

This update for libxml2 fixes the following issues: Security issues fixed :

  - CVE-2017-7376: Increase buffer space for port in HTTP     redirect support (bsc#1044887)

  - CVE-2017-7375: Prevent unwanted external entity     reference [bsc#1044894, ]

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.

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.

This update for libxml2 fixes the following issues :

Security issues fixed :

  - CVE-2017-7376: Increase buffer space for port in HTTP     redirect support (bsc#1044887)

  - CVE-2017-7375: Prevent unwanted external entity     reference (bsc#1044894)

This update was imported from the SUSE:SLE-12-SP2:Update update project.

According to the versions of the libxml2 packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - An integer overflow in xmlmemory.c in libxml2 before     2.9.5, as used in Google Chrome prior to 62.0.3202.62     and other products, allowed a remote attacker to     potentially exploit heap corruption via a crafted XML     file.(CVE-2017-5130)

  - libxml2 20904-GITv2.9.4-16-g0741801 is vulnerable to a     heap-based buffer over-read in the     xmlDictComputeFastKey function in dict.c. This     vulnerability causes programs that use libxml2, such as     PHP, to crash. (CVE-2017-9049)

  - A flaw in libxml2 allows remote XML entity inclusion     with default parser flags (i.e., when the caller did     not request entity substitution, DTD validation,     external DTD subset loading, or default DTD     attributes). Depending on the context, this may expose     a higher-risk attack surface in libxml2 not usually     reachable with default parser flags, and expose content     from local files, HTTP, or FTP servers (which might be     otherwise unreachable).(CVE-2017-7375)

  - Buffer overflow in libxml2 allows remote attackers to     execute arbitrary code by leveraging an incorrect limit     for port values when handling redirects.(CVE-2017-7376)

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.

CVE-2017-0663

Invalid casting of different structs could enable an attacker to remotely execute some code within the context of an unprivileged process.

CVE-2017-7376

Incorrect limit used for port values.

For Debian 7 'Wheezy', these problems have been fixed in version 2.8.0+dfsg1-7+wheezy9.

We recommend that you upgrade your libxml2 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 libxml2, a library providing support to read, modify and write XML and HTML files. A remote attacker could provide a specially crafted XML or HTML file that, when processed by an application using libxml2, would cause a denial-of-service against the application, information leaks, or potentially, the execution of arbitrary code with the privileges of the user running the application.

The remote host is running Mac OS X 10.11.6 or Mac OS X 10.12.6 and is missing a security update. It is therefore, affected by multiple vulnerabilities affecting the following components :

  - 802.1X
  - apache
  - AppleScript
  - ATS
  - Audio
  - CFString
  - CoreText
  - curl
  - Dictionary Widget
  - file
  - Fonts
  - fsck_msdos
  - HFS
  - Heimdal
  - HelpViewer
  - ImageIO
  - Kernel
  - libarchive
  - Open Scripting Architecture
  - PCRE
  - Postfix
  - Quick Look
  - QuickTime
  - Remote Management
  - Sandbox
  - StreamingZip
  - tcpdump
  - Wi-Fi

According to the versions of the libxml2 packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - Use-after-free vulnerability in libxml2 through 2.9.4,     as used in Google Chrome before 52.0.2743.82, allows     remote attackers to cause a denial of service or     possibly have unspecified other impact via vectors     related to the XPointer range-to     function.(CVE-2016-5131)

  - parser.c in libxml2 before 2.9.5 mishandles     parameter-entity references because the NEXTL macro     calls the xmlParserHandlePEReference function in the     case of a '%' character in a DTD name.(CVE-2017-16931)

  - parser.c in libxml2 before 2.9.5 does not prevent     infinite recursion in parameter     entities.)CVE-2017-16932)

  - A flaw in libxml2 allows remote XML entity inclusion     with default parser flags (i.e., when the caller did     not request entity substitution, DTD validation,     external DTD subset loading, or default DTD     attributes). Depending on the context, this may expose     a higher-risk attack surface in libxml2 not usually     reachable with default parser flags, and expose content     from local files, HTTP, or FTP servers (which might be     otherwise unreachable).(CVE-2017-7375)

  - Buffer overflow in libxml2 allows remote attackers to     execute arbitrary code by leveraging an incorrect limit     for port values when handling redirects.(CVE-2017-7376)

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.

The version of Apple iOS running on the mobile device is prior to 11. It is, therefore, affected by multiple vulnerabilities as described in the HT208112 security advisory.

The version of Apple iOS running on the mobile device is prior to 11.0.1. It is, therefore, affected by multiple vulnerabilities as described in the HT208143 security advisory.

ID	Name	Product	Family	Published	Updated	Severity
101351	SUSE SLES11 Security Update : libxml2 (SUSE-SU-2017:1813-1)	Nessus	SuSE Local Security Checks	7/10/2017	1/19/2021	critical
103327	Ubuntu 14.04 LTS / 16.04 LTS : libxml2 vulnerabilities (USN-3424-1)	Nessus	Ubuntu Local Security Checks	9/19/2017	8/27/2024	critical
101203	SUSE SLED12 / SLES12 Security Update : libxml2 (SUSE-SU-2017:1743-1)	Nessus	SuSE Local Security Checks	7/3/2017	1/6/2021	critical
177842	Nessus Network Monitor < 6.2.2 Multiple Vulnerabilities (TNS-2023-23)	Nessus	Misc.	6/30/2023	7/6/2023	critical
101288	openSUSE Security Update : libxml2 (openSUSE-2017-793)	Nessus	SuSE Local Security Checks	7/7/2017	1/19/2021	critical
108474	EulerOS 2.0 SP1 : libxml2 (EulerOS-SA-2018-1070)	Nessus	Huawei Local Security Checks	3/20/2018	1/6/2021	critical
102595	Debian DLA-1060-1 : libxml2 security update	Nessus	Debian Local Security Checks	8/21/2017	1/11/2021	critical
102685	Debian DSA-3952-1 : libxml2 - security update	Nessus	Debian Local Security Checks	8/23/2017	1/4/2021	critical
104379	macOS and Mac OS X Multiple Vulnerabilities (Security Update 2017-001 and 2017-004)	Nessus	MacOS X Local Security Checks	11/3/2017	5/28/2024	critical
109487	EulerOS 2.0 SP2 : libxml2 (EulerOS-SA-2018-1089)	Nessus	Huawei Local Security Checks	5/2/2018	10/15/2024	critical
103420	Apple iOS < 11 Multiple Vulnerabilities	Nessus	Mobile Devices	9/21/2017	9/4/2024	critical
700542	Apple iOS < 11.0.1 Multiple Vulnerabilities	Nessus Network Monitor	Mobile Devices	4/17/2019	4/17/2019	critical

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