Vulnerability Description
Use-after-free vulnerability in the process_nested_data function in ext/standard/var_unserializer.re in PHP before 5.4.39, 5.5.x before 5.5.23, and 5.6.x before 5.6.7 allows remote attackers to execute arbitrary code via a crafted unserialize call that leverages use of the unset function within an __wakeup function, a related issue to CVE-2015-0231.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Php | Php | <= 5.4.38 |
| Apple | Mac Os X | <= 10.6.8 |
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux Hpc Node | 7.0 |
| Redhat | Enterprise Linux Hpc Node Eus | 7.1 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Server Eus | 7.1 |
| Redhat | Enterprise Linux Workstation | 7.0 |
| Opensuse | Opensuse | 13.1 |
References
- http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.htmlVendor Advisory
- http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.htmlVendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00005.html
- http://lists.opensuse.org/opensuse-updates/2015-04/msg00015.html
- http://marc.info/?l=bugtraq&m=143748090628601&w=2
- http://marc.info/?l=bugtraq&m=144050155601375&w=2
- http://php.net/ChangeLog-5.php
- 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://rhn.redhat.com/errata/RHSA-2015-1218.html
- http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.h
- http://www.securityfocus.com/bid/73431
- http://www.securitytracker.com/id/1032485
FAQ
What is CVE-2015-2787?
CVE-2015-2787 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 5.4.39, 5.5.x before 5.5.23, and 5.6.x before 5.6.7 allows remote attackers to execut...
How severe is CVE-2015-2787?
CVE-2015-2787 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-2015-2787?
Check the references section above for vendor advisories and patch information. Affected products include: Php Php, Apple Mac Os X, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Hpc Node, Redhat Enterprise Linux Hpc Node Eus.