Detections
Analytics
GLSA-201009-07 : libxml2: Denial of Service
medium Nessus Plugin ID 49636
Language:
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-201009-07 (libxml2: Denial of Service)The following vulnerabilities were reported after a test with the Codenomicon XML fuzzing framework:
Two use-after-free vulnerabilities are possible when parsing a XML file with Notation or Enumeration attribute types (CVE-2009-2416).
A stack consumption vulnerability can be triggered via a large depth of element declarations in a DTD, related to a function recursion (CVE-2009-2414).
Impact :
A remote attacker could entice a user or automated system to open a specially crafted XML document with an application using libxml2 resulting in a Denial of Service condition.
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/libxml2-2.7.3-r2' NOTE: This is a legacy GLSA. Updates for all affected architectures are available since August 30, 2009. It is likely that your system is already no longer affected by this issue.
See Also
Plugin Details
Severity: Medium
ID: 49636
File Name: gentoo_GLSA-201009-07.nasl
Version: 1.21
Type: local
Family: Gentoo Local Security Checks
Published: 9/22/2010
Updated: 1/6/2021
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
CVSS v2
Risk Factor: Medium
Base Score: 4.3
Temporal Score: 3.2
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P
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 Ease: No known exploits are available
Patch Publication Date: 9/21/2010
Reference Information
CVE: CVE-2009-2414, CVE-2009-2416
BID: 36010