CVE-2013-2155

Description

Apache Santuario XML Security for C++ (aka xml-security-c) before 1.7.1 does not properly validate length values, which allows remote attackers to cause a denial of service or bypass the CVE-2009-0217 protection mechanism and spoof a signature via crafted length values to the (1) compareBase64StringToRaw, (2) DSIGAlgorithmHandlerDefault, or (3) DSIGAlgorithmHandlerDefault::verify functions.

Category

5.8
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 1.57% Top 20%
Vendor Advisory debian.org Vendor Advisory apache.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://svn.apache.org/viewvc/santuario/xml-security-cpp/trunk/xsec/dsig/DSIGAlgorithmHandlerDefault.cpp?r1=1125752&r2=1493960&pathrev=1493960&diff_format=h patch
http://www.debian.org/security/2013/dsa-2710 vendor advisory
https://www.tenable.com/security/tns-2018-15
http://santuario.apache.org/secadv.data/CVE-2013-2155.txt vendor advisory
http://archives.neohapsis.com/archives/fulldisclosure/2013-06/0142.html mailing list
https://lists.apache.org/thread.html/680e6938b6412e26d5446054fd31de2011d33af11786b989127d1cc3%40%3Ccommits.santuario.apache.org%3E mailing list
https://lists.apache.org/thread.html/r1c07a561426ec5579073046ad7f4207cdcef452bb3100abaf908e0cd%40%3Ccommits.santuario.apache.org%3E mailing list

Frequently Asked Questions

What is the severity of CVE-2013-2155?
CVE-2013-2155 has been scored as a medium severity vulnerability.
How to fix CVE-2013-2155?
To fix CVE-2013-2155, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2013-2155 being actively exploited in the wild?
It is possible that CVE-2013-2155 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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