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CVE-2011-0419

4.3 · MEDIUM

Stack consumption vulnerability in the fnmatch implementation in apr_fnmatch.c in the Apache Portable Runtime (APR) library before 1.4.3 and the Apache HTTP Server before 2.2.18, and in fnmatch.c i…

Published May 16, 2011apacheCWE-770EPSS 30.41%

Overview

CVE-2011-0419 is a medium-severity vulnerability affecting apache portable_runtime. It was published on May 16, 2011 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Stack consumption vulnerability in the fnmatch implementation in apr_fnmatch.c in the Apache Portable Runtime (APR) library before 1.4.3 and the Apache HTTP Server before 2.2.18, and in fnmatch.c in libc in NetBSD 5.1, OpenBSD 4.8, FreeBSD, Apple Mac OS X 10.6, Oracle Solaris 10, and Android, allows context-dependent attackers to cause a denial of service (CPU and memory consumption) via *? sequences in the first argument, as demonstrated by attacks against mod_autoindex in httpd.

Remediation

Check the references section for vendor advisories and patches from apache. Update portable_runtime to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
apacheportable_runtime>= 0, < 1.4.3Affected
apachehttp_server2.0.0Affected

References

Refcvsweb.netbsd.org/bsdweb.cgi/src/lib/libc/gen/fnmatch.c#rev1.22Refcxib.net/stuff/apache.fnmatch.phpsRefcxib.net/stuff/apr_fnmatch.txtsRefhttpd.apache.org/security/vulnerabilities_22.htmlReflists.apple.com/archives/Security-announce/2011//Oct/msg00003.htmlReflists.opensuse.org/opensuse-security-announce/2011-11/msg00011.htmlRefmarc.info/?l=bugtraq&m=131551295528105&w=2Refmarc.info/?l=bugtraq&m=131731002122529&w=2Refmarc.info/?l=bugtraq&m=132033751509019&w=2Refmarc.info/?l=bugtraq&m=134987041210674&w=2

How CyberStrike helps

Frequently asked questions

What is CVE-2011-0419?

CVE-2011-0419 is a medium-severity vulnerability affecting apache portable_runtime. It was published on May 16, 2011 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

How severe is CVE-2011-0419?

This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2011-0419?

Check the references section for vendor advisories and patches from apache. Update portable_runtime to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2011-0419?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-0419 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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