Out-of-bounds Read in PHP
CVE-2016-10161
The object_common1 function in ext/standard/var_unserializer.c in PHP before 5.6.30, 7.0.x before 7.0.15, and 7.1.x before 7.1.1 allows remote attackers to cause a denial of service (buffer over-read and application crash) via crafted serialized data that is mishandled in a finish_nested_data call.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.133 (96.3th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.133 · newest: 0.133 · change: 0.000
Affected products
- PHP — versions 7.0.0, 7.0.1, 7.0.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/php/php-src/commit/16b3003ffc6393e250f069aa28a78dc5a2c064b2 (Patch, Third Party Advisory, Issue Tracking)
- bugs.php.net/bug.php (Issue Tracking)
- access.redhat.com/errata/RHSA-2018:1296 (vendor-advisory)
- php.net/ChangeLog-5.php (Release Notes, Vendor Advisory)
- security.netapp.com/advisory/ntap-20180112-0001/
- www.tenable.com/security/tns-2017-04
- www.debian.org/security/2017/dsa-3783 (vendor-advisory)
- security.gentoo.org/glsa/201702-29 (vendor-advisory)
- php.net/ChangeLog-7.php (Release Notes, Vendor Advisory)
- www.securitytracker.com/id/1037659 (vdb-entry)
Frequently asked questions
- What is CVE-2016-10161?
- CVE-2016-10161 is a high-severity vulnerability in PHP, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2017-01-24.
- How severe is CVE-2016-10161?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2016-10161 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.