CVE-2012-0021 - CVE House
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Status published Low CVE-2012-0021

The log_cookie function in mod_log_config.c in the mod_log_config module in...

Vulnerability Description

The log_cookie function in mod_log_config.c in the mod_log_config module in the Apache HTTP Server 2.2.17 through 2.2.21, when a threaded MPM is used, does not properly handle a %{}C format string, which allows remote attackers to cause a denial of service (daemon crash) via a cookie that lacks both a name and a value.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

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Affected Vendor

Affected Software

http server
Vulnerable Versions:
2.2.17, 2.2.18, 2.2.19, 2.2.20, 2.2.21

Timeline

Official Publish: January 28th, 2012
Last Modified: August 6th, 2024
Added to House: July 19th, 2026

CVSS Vectors

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.