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CVE-2013-7039

5.1 · MEDIUM

Stack-based buffer overflow in the MHD_digest_auth_check function in libmicrohttpd before 0.9.32, when MHD_OPTION_CONNECTION_MEMORY_LIMIT is set to a large value, allows remote attackers to cause a…

Published Dec 13, 2013gnuCWE-119EPSS 3.28%

Overview

CVE-2013-7039 is a medium-severity vulnerability affecting gnu libmicrohttpd. It was published on December 13, 2013 and has a CVSS 2.0 base score of 5.1 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Stack-based buffer overflow in the MHD_digest_auth_check function in libmicrohttpd before 0.9.32, when MHD_OPTION_CONNECTION_MEMORY_LIMIT is set to a large value, allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a long URI in an authentication header.

Remediation

Check the references section for vendor advisories and patches from gnu. Update libmicrohttpd 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
gnulibmicrohttpd0Affected

References

Refsecunia.com/advisories/55903Refsecurity.gentoo.org/glsa/glsa-201402-01.xmlRefwww.openwall.com/lists/oss-security/2013/12/09/11Refwww.securityfocus.com/bid/64138Refbugs.gentoo.org/show_bug.cgi?id=493450Refbugzilla.redhat.com/show_bug.cgi?id=1039390Refgnunet.org/svn/libmicrohttpd/ChangeLogRefsecunia.com/advisories/55903Refsecurity.gentoo.org/glsa/glsa-201402-01.xmlRefwww.openwall.com/lists/oss-security/2013/12/09/11

How CyberStrike helps

Frequently asked questions

What is CVE-2013-7039?

CVE-2013-7039 is a medium-severity vulnerability affecting gnu libmicrohttpd. It was published on December 13, 2013 and has a CVSS 2.0 base score of 5.1 (MEDIUM).

How severe is CVE-2013-7039?

This vulnerability has a CVSS 2.0 base score of 5.1, 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-2013-7039?

Check the references section for vendor advisories and patches from gnu. Update libmicrohttpd 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-2013-7039?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2013-7039 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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