Exim sender_verify buffer overflow
| exim-senderverify-bo (16075) |
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.
Consequences:
Gain Access
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.
References:
- Full-Disclosure Mailing List, Thu May 06 2004 - 06:10:31 CDT: Buffer overflows in exim, yet still exim much better than windows.
- BID-10290: Exim Sender Verification Remote Stack Buffer Overrun Vulnerability
Platforms Affected:
- Cambridge University Exim 3.35
- Debian Debian Linux 3.0
Reported:
May 06, 2004
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For corrections or additions please email xforce@iss.net
