CVE-2016-6289
HIGH severity · CVSS 7.8 · Integer overflow
7.8CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredNone
User interactionRequired
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)4%
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://fortiguard.com/advisory/fortinet-discovers-php-stack-based-buffer-overflow-vulnerabilitiesAdvisory
- http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=0218acb7e756a469099c4ccfb22bce6c2bd1ef87
- http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html
- http://openwall.com/lists/oss-security/2016/07/24/2
- http://php.net/ChangeLog-5.php
- http://php.net/ChangeLog-7.php
- http://rhn.redhat.com/errata/RHSA-2016-2750.html
- http://www.debian.org/security/2016/dsa-3631