Stack-based buffer overflow in libmicrohttpd - CVE-2013-7039

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing a long URI in an authentication header. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Affected software

How to mitigate CVE-2013-7039

External References

• http://secunia.com/advisories/55903
• http://security.gentoo.org/glsa/glsa-201402-01.xml
• http://www.openwall.com/lists/oss-security/2013/12/09/11
• http://www.securityfocus.com/bid/64138
• https://bugs.gentoo.org/show_bug.cgi?id=493450
• https://bugzilla.redhat.com/show_bug.cgi?id=1039390
• https://gnunet.org/svn/libmicrohttpd/ChangeLog

Related Security Bulletins

• Multiple vulnerabilities in libmicrohttpd
• Amazon Linux AMI update for libmicrohttpd
• Gentoo update for GNU libmicrohttpd