[security-alerts] FW: [SA24318] tcpdump 802.11 "parse_elements()" Off-By-One Vulnerability

["Kazennov, Vladimir" <Vladimir.Kazennov@xxxxxxxxxx>]

> ----------------------------------------------------------------------
> 
> TITLE:
> tcpdump 802.11 "parse_elements()" Off-By-One Vulnerability
> 
> SECUNIA ADVISORY ID:
> SA24318
> 
> VERIFY ADVISORY:
> http://secunia.com/advisories/24318/
> 
> CRITICAL:
> Less critical
> 
> IMPACT:
> DoS
> 
> WHERE:
> From remote
> 
> SOFTWARE:
> tcpdump 3.x
> http://secunia.com/product/749/
> 
> DESCRIPTION:
> Moritz Jodeit has reported a vulnerability in tcpdump, which
> potentially can be exploited by malicious people to cause a DoS
> (Denial of Service).
> 
> The vulnerability is caused due to an off-by-one error within the
> "parse_elements()" function in print-802.11.c. This can be exploited
> to cause a one byte buffer overflow via a specially crafted 802.11
> frame.
> 
> The vulnerability is reported in version 3.9.5. Other versions may
> also be affected.
> 
> SOLUTION:
> Fixed in the CVS repository.
> 
> PROVIDED AND/OR DISCOVERED BY:
> Moritz Jodeit
> 
> ORIGINAL ADVISORY:
> http://lists.grok.org.uk/pipermail/full-disclosure/2007-March/
> 052739.html
>