Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Php | Php | <= 5.4.36 |
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.h
FAQ
What is CVE-2015-0231?
CVE-2015-0231 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 5.4.37, 5.5.x before 5.5.21, and 5.6.x before 5.6.5 allows remote attackers to execut...
How severe is CVE-2015-0231?
CVE-2015-0231 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-2015-0231?
Check the references section above for vendor advisories and patch information. Affected products include: Php Php.