FreeBSD : libxml2 -- multiple vulnerabilities (f1e0164e-b67b-11dd-a55e-00163e000016)

Critical Nessus Plugin ID 34840


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


Secunia reports :

Two vulnerabilities have been reported in Libxml2, which can be exploited by malicious people to cause a DoS (Denial of Service) or to potentially compromise an application using the library.

1) An integer overflow error in the 'xmlSAX2Characters()' function can be exploited to trigger a memory corruption via a specially

Successful exploitation may allow execution of arbitrary code, but requires e.g. that the user is tricked into processing an overly large XML file (2GB or more).

2) An integer overflow error in the 'xmlBufferResize()' function can be exploited to trigger the execution of an infinite loop. The vulnerabilities are reported in version 2.7.2.

Other versions may also be affected.


Update the affected package.

See Also

Plugin Details

Severity: Critical

ID: 34840

File Name: freebsd_pkg_f1e0164eb67b11dda55e00163e000016.nasl

Version: $Revision: 1.16 $

Type: local

Published: 2008/11/21

Modified: 2016/12/08

Dependencies: 12634

Risk Information

Risk Factor: Critical


Base Score: 10

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

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:libxml2, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Patch Publication Date: 2008/11/19

Vulnerability Publication Date: 2008/11/18

Reference Information

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

CWE: 189, 399