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Oracle Linux 6 / 7 : libxml2 (ELSA-2016-1292)

critical Nessus Plugin ID 91797

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Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

The remote Oracle Linux 6 / 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2016-1292 advisory.

 - Heap-based buffer overread in xmlNextChar (CVE-2016-1762)
 - Bug 763071: Heap-buffer-overflow in xmlStrncat <https://bugzilla.gnome.org/show_bug.cgi?id=763071> (CVE-2016-1834)
 - Bug 757711: Heap-buffer-overflow in xmlFAParsePosCharGroup <https://bugzilla.gnome.org/show_bug.cgi?id=757711> (CVE-2016-1840)
 - Bug 758588: Heap-based buffer overread in xmlParserPrintFileContextInternal <https://bugzilla.gnome.org/show_bug.cgi?id=758588> (CVE-2016-1838)
 - Bug 758605: Heap-based buffer overread in xmlDictAddString <https://bugzilla.gnome.org/show_bug.cgi?id=758605> (CVE-2016-1839)
 - Bug 759398: Heap use-after-free in xmlDictComputeFastKey <https://bugzilla.gnome.org/show_bug.cgi?id=759398> (CVE-2016-1836)
 - Fix inappropriate fetch of entities content (CVE-2016-4449)
 - Heap use-after-free in htmlParsePubidLiteral and htmlParseSystemiteral (CVE-2016-1837)
 - Heap use-after-free in xmlSAX2AttributeNs (CVE-2016-1835)
 - Heap-based buffer-underreads due to xmlParseName (CVE-2016-4447)
 - Heap-based buffer overread in htmlCurrentChar (CVE-2016-1833)
 - Add missing increments of recursion depth counter to XML parser. (CVE-2016-3705)
 - Avoid building recursive entities (CVE-2016-3627)
 - Fix some format string warnings with possible format string vulnerability (CVE-2016-4448)

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.

Solution

Update the affected packages.

See Also

https://linux.oracle.com/errata/ELSA-2016-1292.html

Plugin Details

Severity: Critical

ID: 91797

File Name: oraclelinux_ELSA-2016-1292.nasl

Version: 2.12

Type: local

Agent: unix

Published: 6/24/2016

Updated: 11/1/2024

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2016-4448

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:libxml2-devel, p-cpe:/a:oracle:linux:libxml2-python, cpe:/o:oracle:linux:7, p-cpe:/a:oracle:linux:libxml2, p-cpe:/a:oracle:linux:libxml2-static, cpe:/o:oracle:linux:6

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/OracleLinux

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/23/2016

Vulnerability Publication Date: 3/24/2016

Reference Information

CVE: CVE-2016-1762, CVE-2016-1833, CVE-2016-1834, CVE-2016-1835, CVE-2016-1836, CVE-2016-1837, CVE-2016-1838, CVE-2016-1839, CVE-2016-1840, CVE-2016-3627, CVE-2016-3705, CVE-2016-4447, CVE-2016-4448, CVE-2016-4449

RHSA: 2016:1292