Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Exim | Exim | <= 4.75 |
Related Weaknesses (CWE)
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
FAQ
What is CVE-2011-1764?
CVE-2011-1764 is a vulnerability with a CVSS score of 7.5 (HIGH). 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)...
How severe is CVE-2011-1764?
CVE-2011-1764 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-1764?
Check the references section above for vendor advisories and patch information. Affected products include: Exim Exim.