Buffer overflow in PHP
CVE-2016-6297
Integer overflow in the php_stream_zip_opener function in ext/zip/zip_stream.c in PHP before 5.5.38, 5.6.x before 5.6.24, and 7.x before 7.0.9 allows remote attackers to cause a denial of service (stack-based buffer overflow) or possibly have unspecified other impact via a crafted zip:// URL.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.053 (92.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.053 · newest: 0.053 · change: 0.000
Affected products
- PHP — versions 5.6.0, 5.6.1, 5.6.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.apple.com/archives/security-announce/2016/Sep/msg00006.html (vendor-advisory)
- security.gentoo.org/glsa/201611-22 (vendor-advisory)
- bugs.php.net/72520 (Exploit, Issue Tracking)
- rhn.redhat.com/errata/RHSA-2016-2750.html (vendor-advisory)
- fortiguard.com/advisory/fortinet-discovers-php-stack-based-buffer-overflow-vuln… (Third Party Advisory)
- php.net/ChangeLog-5.php (Release Notes)
- www.securitytracker.com/id/1036430 (vdb-entry)
- www.debian.org/security/2016/dsa-3631 (vendor-advisory)
- php.net/ChangeLog-7.php (Release Notes)
- git.php.net/
Frequently asked questions
- What is CVE-2016-6297?
- CVE-2016-6297 is a high-severity vulnerability in PHP, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2016-07-25.
- How severe is CVE-2016-6297?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2016-6297 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.