Vulnerability in PHP
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.5 (High). Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.426 (98.7th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.426 · newest: 0.426 · change: 0.000
Affected products
- PHP — versions 5.4.0, 5.4.1, 5.4.2
Public proof-of-concept exploits
References
- www.mandriva.com/security/advisories (vendor-advisory)
- www.debian.org/security/2015/dsa-3195 (vendor-advisory)
- marc.info/ (vendor-advisory)
- bugzilla.redhat.com/show_bug.cgi
- lists.opensuse.org/opensuse-security-announce/2015-02/msg00029.html (vendor-advisory)
- lists.apple.com/archives/security-announce/2015/Sep/msg00008.html (vendor-advisory)
- marc.info/ (vendor-advisory)
- www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
- www.mandriva.com/security/advisories (vendor-advisory)
- www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
Frequently asked questions
- What is CVE-2015-0231?
- CVE-2015-0231 is a vulnerability in PHP. Published 2015-01-27.
- Is CVE-2015-0231 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.