Description
Heap-based buffer overflow in the dkim_exim_query_dns_txt function in dkim.c in Exim 4.70 through 4.80, when DKIM support is enabled and acl_smtp_connect and acl_smtp_rcpt are not set to "warn control = dkim_disable_verify," allows remote attackers to execute arbitrary code via an email from a malicious DNS server.
Published: 2012-10-31
Score: 6.8 Medium
EPSS: 31.6% Moderate
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-2566-1 exim4 security update
Ubuntu USN Ubuntu USN USN-1618-1 Exim vulnerability
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-06T21:14:16.438Z

Reserved: 2012-10-24T00:00:00.000Z

Link: CVE-2012-5671

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2012-10-31T16:55:06.577

Modified: 2026-04-29T01:13:23.040

Link: CVE-2012-5671

cve-icon Redhat

Severity : Critical

Publid Date: 2012-10-26T00:00:00Z

Links: CVE-2012-5671 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses