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CVE-2016-6289

Published: 25 July 2016

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.

Priority

Medium

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package Release Status
php5
Launchpad, Ubuntu, Debian
wily Ignored
(end of life)
xenial Does not exist

precise
Released (5.3.10-1ubuntu3.24)
trusty
Released (5.5.9+dfsg-1ubuntu4.19)
upstream Needs triage

Patches:
upstream: http://git.php.net/?p=php-src.git;a=commit;h=0218acb7e756a469099c4ccfb22bce6c2bd1ef87 (5.5)
upstream: http://git.php.net/?p=php-src.git;a=commit;h=a099545bec28c7ebe1641c8a45b68709901f6893 (5.6)

php7.0
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist

upstream
Released (7.0.9)
wily Does not exist

xenial
Released (7.0.8-0ubuntu0.16.04.2)
Patches:


upstream: http://git.php.net/?p=php-src.git;a=commit;h=374ae8e9da58464e22f3e5a461ee95f6240979e7

Severity score breakdown

Parameter Value
Base score 7.8
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H