CVE-2016-9933 Information

Description

Stack consumption vulnerability in the gdImageFillToBorder function in gd.c in the GD Graphics Library (aka libgd) before 2.2.2 as used in PHP before 5.6.28 and 7.x before 7.0.13 allows remote attackers to cause a denial of service (segmentation violation) via a crafted imagefilltoborder call that triggers use of a negative color value.

CVSS Vector

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

Reference

http://lists.opensuse.org/opensuse-updates/2016-12/msg00133.html http://lists.opensuse.org/opensuse-updates/2016-12/msg00142.html http://lists.opensuse.org/opensuse-updates/2017-01/msg00002.html http://lists.opensuse.org/opensuse-updates/2017-01/msg00034.html http://lists.opensuse.org/opensuse-updates/2017-01/msg00054.html http://www.debian.org/security/2017/dsa-3751 http://www.openwall.com/lists/oss-security/2016/12/12/2 http://www.php.net/ChangeLog-5.php http://www.php.net/ChangeLog-7.php http://www.securityfocus.com/bid/94865 https://access.redhat.com/errata/RHSA-2018:1296 https://bugs.php.net/bug.php?id=72696 https://github.com/libgd/libgd/commit/77f619d48259383628c3ec4654b1ad578e9eb40e https://github.com/libgd/libgd/issues/215 https://github.com/php/php-src/commit/863d37ea66d5c960db08d6f4a2cbd2518f0f80d1

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5