CVE-2011-1764

exim: improper format string handling in DKIM signatures

Published Oct 5, 2011 CVSS 2.0 · 7.5 High EPSS 3.9% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-2232-1 exim4 security update
EUVD EUVD EUVD-2011-1763 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.
Ubuntu USN Ubuntu USN USN-1130-1 Exim vulnerability
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 6, 2024, 10:37 PM
Reserved
Apr 19, 2011, 12:00 AM
Status
Modified
Published
Oct 5, 2011, 2:56 AM
Modified
Jun 16, 2026, 11:29 PM
Severity
Moderate
Public date
Apr 29, 2011, 12:00 AM