Detections
Analytics
GLSA-200812-06 : libxml2: Multiple vulnerabilities
critical Nessus Plugin ID 35023
Synopsis
The remote Gentoo host is missing one or more security-related patches.Description
The remote host is affected by the vulnerability described in GLSA-200812-06 (libxml2: Multiple vulnerabilities)Multiple vulnerabilities were reported in libxml2:
Andreas Solberg reported that libxml2 does not properly detect recursion during entity expansion in an attribute value (CVE-2008-3281).
A heap-based buffer overflow has been reported in the xmlParseAttValueComplex() function in parser.c (CVE-2008-3529).
Christian Weiske reported that predefined entity definitions in entities are not properly handled (CVE-2008-4409).
Drew Yao of Apple Product Security reported an integer overflow in the xmlBufferResize() function that can lead to an infinite loop (CVE-2008-4225).
Drew Yao of Apple Product Security reported an integer overflow in the xmlSAX2Characters() function leading to a memory corruption (CVE-2008-4226).
Impact :
A remote attacker could entice a user or automated system to open a specially crafted XML document with an application using libxml2, possibly resulting in the exeution of arbitrary code or a high CPU and memory consumption.
Workaround :
There is no known workaround at this time.
Solution
All libxml2 users should upgrade to the latest version:# emerge --sync # emerge --ask --oneshot --verbose '>=dev-libs/libxml2-2.7.2-r1'
See Also
Plugin Details
Severity: Critical
ID: 35023
File Name: gentoo_GLSA-200812-06.nasl
Version: 1.18
Type: local
Family: Gentoo Local Security Checks
Published: 12/3/2008
Updated: 1/6/2021
Supported Sensors: 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
Vulnerability Information
CPE: p-cpe:/a:gentoo:linux:libxml2, cpe:/o:gentoo:linux
Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 12/2/2008
Reference Information
CVE: CVE-2008-3281, CVE-2008-3529, CVE-2008-4225, CVE-2008-4226, CVE-2008-4409