Vulnerability Description
Use-after-free vulnerability in the process_nested_data function in ext/standard/var_unserializer.re in PHP before 5.4.36, 5.5.x before 5.5.20, and 5.6.x before 5.6.4 allows remote attackers to execute arbitrary code via a crafted unserialize call that leverages improper handling of duplicate keys within the serialized properties of an object, a different vulnerability than CVE-2004-1019.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Php | Php | <= 5.4.35 |
References
- http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=630f9c33c23639de85c3fd306b209b5
- 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://php.net/ChangeLog-5.phpVendor Advisory
- 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/2014/dsa-3117
- http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.h
- http://www.securityfocus.com/bid/71791
- https://bugs.php.net/bug.php?id=68594ExploitVendor Advisory
FAQ
What is CVE-2014-8142?
CVE-2014-8142 is a vulnerability with a CVSS score of 7.5 (HIGH). Use-after-free vulnerability in the process_nested_data function in ext/standard/var_unserializer.re in PHP before 5.4.36, 5.5.x before 5.5.20, and 5.6.x before 5.6.4 allows remote attackers to execut...
How severe is CVE-2014-8142?
CVE-2014-8142 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2014-8142?
Check the references section above for vendor advisories and patch information. Affected products include: Php Php.