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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.79%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 3.79% probability · 89th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- php/php
- Source
- cve@mitre.org
References
- http://fortiguard.com/advisory/fortinet-discovers-php-stack-based-buffer-overflow-vulnerabilitiesThird Party Advisory
- 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/2016/07/24/2Mailing List
- http://php.net/ChangeLog-5.phpRelease Notes
- http://php.net/ChangeLog-7.phpRelease Notes
- http://rhn.redhat.com/errata/RHSA-2016-2750.html
- http://www.debian.org/security/2016/dsa-3631
- http://www.securityfocus.com/bid/92074Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1036430
- https://bugs.php.net/72513Exploit, Issue Tracking, Mitigation, Third Party Advisory
- https://security.gentoo.org/glsa/201611-22
- https://support.apple.com/HT207170
- http://fortiguard.com/advisory/fortinet-discovers-php-stack-based-buffer-overflow-vulnerabilitiesThird Party Advisory
- 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/2016/07/24/2Mailing List
- http://php.net/ChangeLog-5.phpRelease Notes
- http://php.net/ChangeLog-7.phpRelease Notes
- http://rhn.redhat.com/errata/RHSA-2016-2750.html
- http://www.debian.org/security/2016/dsa-3631
- http://www.securityfocus.com/bid/92074Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1036430
- https://bugs.php.net/72513Exploit, Issue Tracking, Mitigation, Third Party Advisory
- https://security.gentoo.org/glsa/201611-22
- https://support.apple.com/HT207170
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.