Vulnerability in Exim
CVE-2011-1764
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.5 (High). Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.039 (90.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.039 · newest: 0.039 · change: 0.000
Affected products
- Exim — versions 2.10, 2.11, 2.12
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secunia.com/advisories/51155 (third-party-advisory)
- lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html (vendor-advisory)
- www.debian.org/security/2011/dsa-2232 (vendor-advisory)
- git.exim.org/exim.git/commit/337e3505b0e6cd4309db6bf6062b33fa56e06cf8 (Patch)
- bugzilla.redhat.com/show_bug.cgi (Patch)
- bugs.exim.org/show_bug.cgi (Patch)
- bugs.debian.org/cgi-bin/bugreport.cgi (Patch)
Frequently asked questions
- What is CVE-2011-1764?
- CVE-2011-1764 is a vulnerability in Exim, classified under Use of Externally-Controlled Format String. Published 2011-10-05.
- Is CVE-2011-1764 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.