Debian DSA-1666-1 : libxml2 - several vulnerabilities

Critical Nessus Plugin ID 34810

Synopsis

The remote Debian host is missing a security-related update.

Description

Several vulnerabilities have been discovered in the GNOME XML library.
The Common Vulnerabilities and Exposures project identifies the following problems :

- CVE-2008-4225 Drew Yao discovered that missing input sanitising in the xmlBufferResize() function may lead to an infinite loop, resulting in denial of service.

- CVE-2008-4226 Drew Yao discovered that an integer overflow in the xmlSAX2Characters() function may lead to denial of service or the execution of arbitrary code.

Solution

Upgrade the libxml2 packages.

For the stable distribution (etch), these problems have been fixed in version 2.6.27.dfsg-6.

For the upcoming stable distribution (lenny) and the unstable distribution (sid), these problems have been fixed in version 2.6.32.dfsg-5.

See Also

https://security-tracker.debian.org/tracker/CVE-2008-4225

https://security-tracker.debian.org/tracker/CVE-2008-4226

https://www.debian.org/security/2008/dsa-1666

Plugin Details

Severity: Critical

ID: 34810

File Name: debian_DSA-1666.nasl

Version: 1.17

Type: local

Agent: unix

Published: 2008/11/18

Updated: 2019/08/02

Dependencies: 12634

Risk Information

Risk Factor: Critical

CVSS v2.0

Base Score: 10

Temporal Score: 7.4

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:libxml2, cpe:/o:debian:debian_linux:4.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2008/11/17

Reference Information

CVE: CVE-2008-4225, CVE-2008-4226

BID: 32326, 32331

DSA: 1666

CWE: 189, 399