Exim sender_verify buffer overflow

exim-senderverify-bo (16075) The risk level is classified as HighHigh Risk

Description:

Exim is vulnerable to a stack-based buffer overflow, caused by improper bounds checking. If the sender_verify setting is enabled in the exim.conf configuration file, which is not the default setting, a remote attacker could exploit this vulnerability to overflow a buffer and possibly execute arbitrary code on the vulnerable system.

Platforms Affected:

  • Cambridge University, Exim 3.35
  • Debian, Debian Linux 3.0

Remedy:

For Debian GNU/Linux 3.0 (woody):
Upgrade to the latest exim package (3.35-1woody3 or later), as listed in DSA-501-1. See References.

Consequences:

Gain Access

References:

Reported:

May 06, 2004

The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

For corrections or additions please email xforce@iss.net

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