Description
Format string vulnerability in the dkim_exim_verify_finish function in src/dkim.c in Exim before 4.76 might allow remote attackers to execute arbitrary code or cause a denial of service (daemon crash) via format string specifiers in data used in DKIM logging, as demonstrated by an identity field containing a % (percent) character.
Metrics
CVSS 2.0 7.5/10
AV:N/AC:L/Au:N/C:P/I:P/A:PWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=624670Patch
- http://bugs.exim.org/show_bug.cgi?id=1106Patch
- http://git.exim.org/exim.git/commit/337e3505b0e6cd4309db6bf6062b33fa56e06cf8Patch
- http://lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html
- http://secunia.com/advisories/51155
- http://www.debian.org/security/2011/dsa-2232
- https://bugzilla.redhat.com/show_bug.cgi?id=702474Patch
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=624670Patch
- http://bugs.exim.org/show_bug.cgi?id=1106Patch
- http://git.exim.org/exim.git/commit/337e3505b0e6cd4309db6bf6062b33fa56e06cf8Patch
- http://lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html
- http://secunia.com/advisories/51155
- http://www.debian.org/security/2011/dsa-2232
- https://bugzilla.redhat.com/show_bug.cgi?id=702474Patch
Timeline
- Published
- Oct 5, 2011
- Last modified
- Jun 16, 2026
- NVD status
- Modified