В продолжение...
>
> TITLE:
> SpamAssassin "spamd" Shell Command Injection Vulnerability
>
> SECUNIA ADVISORY ID:
> SA20430
>
> VERIFY ADVISORY:
> http://secunia.com/advisories/20430/
>
> CRITICAL:
> Moderately critical
>
> IMPACT:
> System access
>
> WHERE:
> From local network
>
> SOFTWARE:
> SpamAssassin 3.x
> http://secunia.com/product/4506/
>
> DESCRIPTION:
> A vulnerability has been reported in SpamAssassin, which can be
> exploited by malicious people to compromise a vulnerable system.
>
> Some unspecified input is not properly sanitised before being used.
> This can be exploited to inject arbitrary shell commands.
>
> Successful exploitation requires that spamd is used with the
> "--vpopmail" and "--paranoid" switches.
>
> The vulnerability has been reported in version 3.0.3. Other versions
> may also be affected.
>
> SOLUTION:
> Update to version 3.0.6 or 3.1.3.
>
> PROVIDED AND/OR DISCOVERED BY:
> Reported by the vendor.
>