Explain CVE-2015-0231
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.
Affected Products: n/a
References: [{'name': 'MDVSA-2015:032', 'tags': ['vendor-advisory', 'x_refsource_MANDRIVA'], 'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2015:032'}, {'name': 'DSA-3195', 'tags': ['vendor-advisory', 'x_refsource_DEBIAN'], 'url': 'http://www.debian.org/security/2015/dsa-3195'}, {'name': 'HPSBMU03409', 'tags': ['vendor-advisory', 'x_refsource_HP'], 'url': 'http://marc.info/?l=bugtraq&m=144050155601375&w=2'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=1185397'}, {'name': 'SUSE-SU-2015:0365', 'tags': ['vendor-advisory', 'x_refsource_SUSE'], 'url': 'http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00029.html'}, {'name': 'APPLE-SA-2015-09-30-3', 'tags': ['vendor-advisory', 'x_refsource_APPLE'], 'url': 'http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html'}, {'name': 'HPSBMU03380', 'tags': ['vendor-advisory', 'x_refsource_HP'], 'url': 'http://marc.info/?l=bugtraq&m=143748090628601&w=2'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html'}, {'name': 'MDVSA-2015:079', 'tags': ['vendor-advisory', 'x_refsource_MANDRIVA'], 'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2015:079'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html'}, {'name': 'SSRT102066', 'tags': ['vendor-advisory', 'x_refsource_HP'], 'url': 'http://marc.info/?l=bugtraq&m=143403519711434&w=2'}, {'name': 'openSUSE-SU-2015:0325', 'tags': ['vendor-advisory', 'x_refsource_SUSE'], 'url': 'http://lists.opensuse.org/opensuse-updates/2015-02/msg00079.html'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'https://support.apple.com/HT205267'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'http://www.php.net/ChangeLog-5.php'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'https://github.com/php/php-src/commit/b585a3aed7880a5fa5c18e2b838fc96f40e075bd'}, {'name': 'RHSA-2015:1135', 'tags': ['vendor-advisory', 'x_refsource_REDHAT'], 'url': 'http://rhn.redhat.com/errata/RHSA-2015-1135.html'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'https://bugs.php.net/bug.php?id=68710'}, {'name': 'RHSA-2015:1053', 'tags': ['vendor-advisory', 'x_refsource_REDHAT'], 'url': 'http://rhn.redhat.com/errata/RHSA-2015-1053.html'}, {'name': 'GLSA-201503-03', 'tags': ['vendor-advisory', 'x_refsource_GENTOO'], 'url': 'https://security.gentoo.org/glsa/201503-03'}, {'name': 'HPSBUX03337', 'tags': ['vendor-advisory', 'x_refsource_HP'], 'url': 'http://marc.info/?l=bugtraq&m=143403519711434&w=2'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'http://advisories.mageia.org/MGASA-2015-0040.html'}, {'name': 'GLSA-201606-10', 'tags': ['vendor-advisory', 'x_refsource_GENTOO'], 'url': 'https://security.gentoo.org/glsa/201606-10'}, {'name': 'RHSA-2015:1066', 'tags': ['vendor-advisory', 'x_refsource_REDHAT'], 'url': 'http://rhn.redhat.com/errata/RHSA-2015-1066.html'}, {'name': '72539', 'tags': ['vdb-entry', 'x_refsource_BID'], 'url': 'http://www.securityfocus.com/bid/72539'}]
CVE State: PUBLISHED