[security-alerts] FW: [SA21637] Sendmail Long Header Denial of Service Vulnerability

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

------------
> 
> TITLE:
> Sendmail Long Header Denial of Service Vulnerability
> 
> SECUNIA ADVISORY ID:
> SA21637
> 
> VERIFY ADVISORY:
> http://secunia.com/advisories/21637/
> 
> CRITICAL:
> Moderately critical
> 
> IMPACT:
> DoS
> 
> WHERE:
> From remote
> 
> SOFTWARE:
> Sendmail 8.x
> http://secunia.com/product/145/
> 
> DESCRIPTION:
> A vulnerability has been reported in Sendmail, which can be exploited
> by malicious people to cause a DoS (Denial of Service).
> 
> The vulnerability is caused due to an error when processing very long
> header lines and can be exploited to cause a DoS by sending a
> specially crafted email.
> 
> The vulnerability has been reported in version 8.13.7. Prior versions
> may also be affected.
> 
> SOLUTION:
> Update to version 8.13.8.
> 
> PROVIDED AND/OR DISCOVERED BY:
> Moritz Jodeit
> 
> ORIGINAL ADVISORY:
> http://www.openbsd.org/errata.html
>