CVE-2015-0231

Public Exploit

Description

Use-after-free vulnerability in the process_nested_data function in ext/standard/var_unserializer.re in PHP before 5.4.37, 5.5.x before 5.5.21, and 5.6.x before 5.6.5 allows remote attackers to execute arbitrary code via a crafted unserialize call that leverages improper handling of duplicate numerical keys within the serialized properties of an object. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-8142.

7.5

CVSS

Severity: High

CVSS 2.0 •

EPSS 87.28% Top 5%

Vendor Advisory mandriva.com Vendor Advisory debian.org Vendor Advisory marc.info Vendor Advisory opensuse.org Vendor Advisory apple.com Vendor Advisory marc.info Vendor Advisory mandriva.com Vendor Advisory marc.info Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory gentoo.org Vendor Advisory gentoo.org Vendor Advisory redhat.com Vendor Advisory php.net Vendor Advisory github.com

Affected: n/a n/a

References

Link	Tags
http://www.mandriva.com/security/advisories?name=MDVSA-2015:032	vendor advisory
http://www.debian.org/security/2015/dsa-3195	vendor advisory
http://marc.info/?l=bugtraq&m=144050155601375&w=2	vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1185397
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00029.html	vendor advisory
http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html	vendor advisory
http://marc.info/?l=bugtraq&m=143748090628601&w=2	vendor advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
http://www.mandriva.com/security/advisories?name=MDVSA-2015:079	vendor advisory
http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
http://marc.info/?l=bugtraq&m=143403519711434&w=2	vendor advisory
http://lists.opensuse.org/opensuse-updates/2015-02/msg00079.html	vendor advisory
https://support.apple.com/HT205267
http://www.php.net/ChangeLog-5.php
https://github.com/php/php-src/commit/b585a3aed7880a5fa5c18e2b838fc96f40e075bd	patch vendor advisory
http://rhn.redhat.com/errata/RHSA-2015-1135.html	vendor advisory
https://bugs.php.net/bug.php?id=68710	exploit vendor advisory
http://rhn.redhat.com/errata/RHSA-2015-1053.html	vendor advisory
https://security.gentoo.org/glsa/201503-03	vendor advisory
http://advisories.mageia.org/MGASA-2015-0040.html
https://security.gentoo.org/glsa/201606-10	vendor advisory
http://rhn.redhat.com/errata/RHSA-2015-1066.html	vendor advisory
http://www.securityfocus.com/bid/72539	vdb entry

Frequently Asked Questions

What is the severity of CVE-2015-0231?: CVE-2015-0231 has been scored as a high severity vulnerability.
How to fix CVE-2015-0231?: To fix CVE-2015-0231, 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-2015-0231 being actively exploited in the wild?: It is possible that CVE-2015-0231 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~87% probability that this vulnerability will be exploited by malicious actors in the next 30 days.