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CVE-2016-2554

Published: 25 February 2016

Stack-based buffer overflow in ext/phar/tar.c in PHP before 5.5.32, 5.6.x before 5.6.18, and 7.x before 7.0.3 allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted TAR archive.

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
php5
Launchpad, Ubuntu, Debian
precise
Released (5.3.10-1ubuntu3.22)
trusty
Released (5.5.9+dfsg-1ubuntu4.16)
upstream
Released (5.6.18+dfsg-1)
wily
Released (5.6.11+dfsg-1ubuntu3.2)
Patches:
upstream: https://git.php.net/?p=php-src.git;a=commit;h=07c7df68bd68bbe706371fccc77c814ebb335d9e
php7.0
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist

upstream
Released (7.0.3-1)
wily Does not exist

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H