Vulnerability in PHP
CVE-2014-8142
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.
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: 0.532 (99.0th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.532 · newest: 0.532 · change: 0.000
Affected products
- PHP — versions 5.5.0, 5.5.1, 5.5.2
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/71791 (vdb-entry)
- bugzilla.redhat.com/show_bug.cgi
- marc.info/ (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2015-02/msg00029.html (vendor-advisory)
- marc.info/ (vendor-advisory)
- www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
- git.php.net/
- marc.info/ (vendor-advisory)
- php.net/ChangeLog-5.php (Vendor Advisory)
- lists.opensuse.org/opensuse-updates/2015-02/msg00079.html (vendor-advisory)
Frequently asked questions
- What is CVE-2014-8142?
- CVE-2014-8142 is a vulnerability in PHP. Published 2014-12-20.
- Is CVE-2014-8142 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.