FreeBSD : mod_access_referer -- NULL pointer dereference vulnerability (af747389-42ba-11d9-bd37-00065be4b5b6)

This script is Copyright (C) 2005-2014 Tenable Network Security, Inc.


Synopsis :

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

Description :

A malformed Referer header field causes the Apache
ap_parse_uri_components function to discard it with the result that a
pointer is not initialized. The mod_access_referer module does not
take this into account with the result that it may use such a pointer.

The NULL pointer vulnerability may possibly be used in a remote denial
of service attack against affected Apache servers.

See also :

http://marc.info/?l=full-disclosure&m=105053485515811
http://www.nessus.org/u?38a7505d

Solution :

Update the affected package.

Risk factor :

Medium / CVSS Base Score : 5.0
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P)
CVSS Temporal Score : 4.0
(CVSS2#E:U/RL:W/RC:ND)
Public Exploit Available : false

Family: FreeBSD Local Security Checks

Nessus Plugin ID: 19081 (freebsd_pkg_af74738942ba11d9bd3700065be4b5b6.nasl)

Bugtraq ID: 7375

CVE ID: CVE-2003-1054

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