CVE-2011-1764

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.

Category

7.5
CVSS
Severity: High
CVSS 2.0 •
EPSS 4.15% Top 15%
Vendor Advisory opensuse.org Vendor Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://secunia.com/advisories/51155 third party advisory
http://lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html vendor advisory
http://www.debian.org/security/2011/dsa-2232 vendor advisory
http://git.exim.org/exim.git/commit/337e3505b0e6cd4309db6bf6062b33fa56e06cf8 patch
https://bugzilla.redhat.com/show_bug.cgi?id=702474 patch
http://bugs.exim.org/show_bug.cgi?id=1106 patch
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=624670 patch

Frequently Asked Questions

What is the severity of CVE-2011-1764?
CVE-2011-1764 has been scored as a high severity vulnerability.
How to fix CVE-2011-1764?
To fix CVE-2011-1764, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-1764 being actively exploited in the wild?
It is possible that CVE-2011-1764 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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