[security-alerts] FW: [SA18571] Fetchmail Bounced Message Denial of Service Vulnerability

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

> 
> TITLE:
> Fetchmail Bounced Message Denial of Service Vulnerability
> 
> SECUNIA ADVISORY ID:
> SA18571
> 
> VERIFY ADVISORY:
> http://secunia.com/advisories/18571/
> 
> CRITICAL:
> Moderately critical
> 
> IMPACT:
> DoS
> 
> WHERE:
> From remote
> 
> SOFTWARE:
> Fetchmail 6.x
> http://secunia.com/product/370/
> 
> DESCRIPTION:
> A vulnerability has been reported in Fetchmail, which can be
> exploited by malicious people to cause a DoS (Denial of Service).
> 
> The vulnerability is caused due to incorrect freeing of an invalid
> pointer when bouncing a message to the originator or to the local
> postmaster. This can be exploited to crash Fetchmail.
> 
> The vulnerability has been reported in versions 6.3.x prior to 6.3.2
> and in release candidates 6.3.2-rc1, -rc2, and -rc3.
> 
> SOLUTION:
> Update to version 6.3.2 or later.
> http://developer.berlios.de/project/showfiles.php?group_id=1824
> 
> NOTE: The vendor reports that fetchmail 6.2.x has reached end of
> life.
> 
> PROVIDED AND/OR DISCOVERED BY:
> The vendor credits Nathaniel W. Turner.
> 
> ORIGINAL ADVISORY:
> http://fetchmail.berlios.de/fetchmail-SA-2006-01.txt
>