From: Secunia Security Advisories (sec-advsecunia.com)
Date: Wed Apr 04 2007 - 20:02:05 CDT

• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

----------------------------------------------------------------------

Secunia customers receive relevant and filtered advisories.
Delivery is done via different channels including SMS, Email, Web,
and https based XML feed.
http://corporate.secunia.com/trial/38/request/

----------------------------------------------------------------------

TITLE:
dproxy-nexgen "dns_decode_reverse_name" Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA24688

VERIFY ADVISORY:
http://secunia.com/advisories/24688/

CRITICAL:
Moderately critical

IMPACT:
System access

WHERE:
From local network

SOFTWARE:
dproxy-nexgen
http://secunia.com/product/13834/

DESCRIPTION:
mu-b has discovered a vulnerability in dproxy-nexgen, which can be
exploited by malicious people to compromise a vulnerable system.

The vulnerability is caused due to a boundary error in the
"dns_decode_reverse_name()" function in dns_decode.c and can be
exploited to cause a stack based buffer overflow via a specially
crafted packet sent to port 53.

Successful exploitation allows execution of arbitrary code.

The vulnerability is confirmed in the latest available version
(2007-04-02). Other versions may also be affected.

SOLUTION:
Use the software only in a trusted network environment.

PROVIDED AND/OR DISCOVERED BY:
mu-b

ORIGINAL ADVISORY:
http://lists.grok.org.uk/pipermail/full-disclosure/2007-March/053289.html

----------------------------------------------------------------------

About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/

Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

----------------------------------------------------------------------

Unsubscribe: Secunia Security Advisories

----------------------------------------------------------------------

• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]