Description
The SMTP server in Postfix before 2.5.13, 2.6.x before 2.6.10, 2.7.x before 2.7.4, and 2.8.x before 2.8.3, when certain Cyrus SASL authentication methods are enabled, does not create a new server handle after client authentication fails, which allows remote attackers to cause a denial of service (heap memory corruption and daemon crash) or possibly execute arbitrary code via an invalid AUTH command with one method followed by an AUTH command with a different method.
Published: 2011-05-13
Score: 6.8 Medium
EPSS: 45.2% 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-2233-1 postfix security update
Ubuntu USN Ubuntu USN USN-1131-1 Postfix vulnerability
History

No history.

Subscriptions

Postfix Postfix
Redhat Enterprise Linux
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-06T22:37:25.642Z

Reserved: 2011-04-18T00:00:00.000Z

Link: CVE-2011-1720

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2011-05-13T17:05:43.207

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

Link: CVE-2011-1720

cve-icon Redhat

Severity : Moderate

Publid Date: 2011-05-09T00:00:00Z

Links: CVE-2011-1720 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses