#VU42236 Stack-based buffer overflow in libmicrohttpd - CVE-2013-7039

Vulnerability identifier: #VU42236

Vulnerability risk: Medium

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2013-7039

CWE-ID: CWE-121

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
libmicrohttpd
Other software / Other software solutions

Vendor: ulion

Description

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.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

libmicrohttpd: 0.9.16 - 0.9.30

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External links
https://secunia.com/advisories/55903
https://security.gentoo.org/glsa/glsa-201402-01.xml
https://www.openwall.com/lists/oss-security/2013/12/09/11
https://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

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.