FreeBSD : expat2 -- Parser crash with specially formatted UTF-8 sequences (5f030587-e39a-11de-881e-001aa0166822)

This script is Copyright (C) 2009-2014 Tenable Network Security, Inc.


Synopsis :

The remote FreeBSD host is missing one or more security-related
updates.

Description :

CVE reports :

The updatePosition function in lib/xmltok_impl.c in libexpat in Expat
2.0.1, as used in Python, PyXML, w3c-libwww, and other software,
allows context-dependent attackers to cause a denial of service
(application crash) via an XML document with crafted UTF-8 sequences
that trigger a buffer over-read.

See also :

http://www.nessus.org/u?5ee98b4f

Solution :

Update the affected packages.

Risk factor :

Medium / CVSS Base Score : 5.0
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P)

Family: FreeBSD Local Security Checks

Nessus Plugin ID: 43037 (freebsd_pkg_5f030587e39a11de881e001aa0166822.nasl)

Bugtraq ID:

CVE ID: CVE-2009-3720

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