CVE-2015-0231

HIGH

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.

References

http://advisories.mageia.org/MGASA-2015-0040.html

http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html

http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00029.html

http://lists.opensuse.org/opensuse-updates/2015-02/msg00079.html

http://marc.info/?l=bugtraq&m=143403519711434&w=2

http://marc.info/?l=bugtraq&m=143748090628601&w=2

http://marc.info/?l=bugtraq&m=144050155601375&w=2

http://rhn.redhat.com/errata/RHSA-2015-1053.html

http://rhn.redhat.com/errata/RHSA-2015-1066.html

http://rhn.redhat.com/errata/RHSA-2015-1135.html

http://www.debian.org/security/2015/dsa-3195

http://www.mandriva.com/security/advisories?name=MDVSA-2015:032

http://www.mandriva.com/security/advisories?name=MDVSA-2015:079

http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html

http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html

http://www.php.net/ChangeLog-5.php

http://www.securityfocus.com/bid/72539

https://bugs.php.net/bug.php?id=68710

https://bugzilla.redhat.com/show_bug.cgi?id=1185397

https://github.com/php/php-src/commit/b585a3aed7880a5fa5c18e2b838fc96f40e075bd

https://security.gentoo.org/glsa/201503-03

https://security.gentoo.org/glsa/201606-10

https://support.apple.com/HT205267

Details

Source: MITRE

Published: 2015-01-27

Updated: 2016-12-31

Risk Information

CVSS v2.0

Base Score: 7.5

Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P)

Impact Score: 6.4

Exploitability Score: 10

Severity: HIGH