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CVE-2006-0743: Use of Externally-Controlled Format String

May 1, 2022 (updated February 9, 2024)

Format string vulnerability in LocalSyslogAppender in Apache log4net 1.2.9 might allow remote attackers to cause a denial of service (memory corruption and termination) via unknown vectors.

References

  • exchange.xforce.ibmcloud.com/vulnerabilities/25196
  • github.com/advisories/GHSA-f9fr-w54q-772h
  • github.com/apache/logging-log4net/commit/ea3faab25fe5f1d4dbda9f5da8dcfa6fc3d9e1b8
  • nvd.nist.gov/vuln/detail/CVE-2006-0743
  • web.archive.org/web/20070114054835/http://www.novell.com/linux/security/advisories/2006_26_sr.html
  • web.archive.org/web/20140304060609/https://issues.apache.org/jira/browse/LOG4NET-67
  • web.archive.org/web/20200229022118/http://www.securityfocus.com/bid/17095

Code Behaviors & Features

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Affected versions

All versions up to 1.2.9

Fixed versions

  • 1.2.10

Solution

Upgrade to version 1.2.10 or above.

Impact 5 MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P

Learn more about CVSS

Weakness

  • CWE-134: Use of Externally-Controlled Format String

Source file

nuget/log4net/CVE-2006-0743.yml

Spotted a mistake? Edit the file on GitLab.

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