FreeBSD : expat -- denial of service vulnerability on malformed input (57b3aba7-1e25-11e6-8dd3-002590263bf5)

This script is Copyright (C) 2016 Tenable Network Security, Inc.


Synopsis :

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

Description :

Gustavo Grieco reports :

The Expat XML parser mishandles certain kinds of malformed input
documents, resulting in buffer overflows during processing and error
reporting. The overflows can manifest as a segmentation fault or as
memory corruption during a parse operation. The bugs allow for a
denial of service attack in many applications by an unauthenticated
attacker, and could conceivably result in remote code execution.

See also :

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=209360
http://www.openwall.com/lists/oss-security/2016/05/17/12
http://www.nessus.org/u?c9cf7378

Solution :

Update the affected packages.

Risk factor :

High / CVSS Base Score : 7.5
(CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P)

Family: FreeBSD Local Security Checks

Nessus Plugin ID: 91267 ()

Bugtraq ID:

CVE ID: CVE-2016-0718

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