CVE-2016-6289 Information

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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 Vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

http://fortiguard.com/advisory/fortinet-discovers-php-stack-based-buffer-overflow-vulnerabilities http://git.php.net/?p=php-src.git;a=commit;h=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 http://www.securityfocus.com/bid/92074 http://www.securitytracker.com/id/1036430 https://bugs.php.net/72513 https://security.gentoo.org/glsa/201611-22 https://support.apple.com/HT207170

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8