Integer overflow in Php
CVE-2016-6289
Integer overflow in the virtual_file_ex function in TSRM/tsrm_virtual_cwd.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 extract operation on a ZIP archive.
Vulnerability class: Integer Overflow
EPSS: 0.038 (88.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Php — versions 5.6.0, 5.6.1, 5.6.2
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (vendor-advisory, x_refsource_APPLE)
- cve@mitre.org (vendor-advisory, x_refsource_GENTOO)
- cve@mitre.org (x_refsource_REDHAT, vendor-advisory)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_CONFIRM)
- cve@mitre.org (x_refsource_CONFIRM, Release Notes)
- cve@mitre.org (vdb-entry, x_refsource_SECTRACK)
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- cve@mitre.org (vendor-advisory, x_refsource_DEBIAN)
- cve@mitre.org (x_refsource_CONFIRM, Release Notes)
Frequently asked questions
- What is CVE-2016-6289?
- CVE-2016-6289 is a high-severity vulnerability in Php, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2016-07-25.
- How severe is CVE-2016-6289?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2016-6289 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.