CVE-2010-4156

Public Exploit

Description

The mb_strcut function in Libmbfl 1.1.0, as used in PHP 5.3.x through 5.3.3, allows context-dependent attackers to obtain potentially sensitive information via a large value of the third parameter (aka the length parameter).

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 8.13% Top 10%
Vendor Advisory fedoraproject.org Vendor Advisory redhat.com Vendor Advisory marc.info Vendor Advisory ubuntu.com Vendor Advisory mandriva.com Vendor Advisory fedoraproject.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.vupen.com/english/advisories/2011/0077 vdb entry
http://lists.fedoraproject.org/pipermail/package-announce/2011-January/052836.html vendor advisory
http://secunia.com/advisories/42812 third party advisory
http://www.redhat.com/support/errata/RHSA-2011-0196.html vendor advisory
http://marc.info/?l=bugtraq&m=130331363227777&w=2 vendor advisory
http://pastie.org/1279428 patch
http://www.ubuntu.com/usn/USN-1042-1 vendor advisory
http://www.vupen.com/english/advisories/2011/0021 vdb entry
http://www.php.net/ChangeLog-5.php
http://www.securityfocus.com/bid/44727 vdb entry exploit
http://www.openwall.com/lists/oss-security/2010/11/08/13 mailing list exploit patch
http://www.mandriva.com/security/advisories?name=MDVSA-2010:225 vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-January/052845.html vendor advisory
http://www.vupen.com/english/advisories/2011/0020 vdb entry
http://secunia.com/advisories/43189 third party advisory
http://secunia.com/advisories/42135 third party advisory
http://pastie.org/1279682 patch
http://www.openwall.com/lists/oss-security/2010/11/07/2 mailing list exploit patch

Frequently Asked Questions

What is the severity of CVE-2010-4156?
CVE-2010-4156 has been scored as a medium severity vulnerability.
How to fix CVE-2010-4156?
To fix CVE-2010-4156, 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-2010-4156 being actively exploited in the wild?
It is possible that CVE-2010-4156 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~8% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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