CVE-2016-1523 Information

Description

The SillMap::readFace function in FeatureMap.cpp in Libgraphite in Graphite 2 1.2.4 as used in Mozilla Firefox before 43.0 and Firefox ESR 38.x before 38.6.1 mishandles a return value which allows remote attackers to cause a denial of service (missing initialization NULL pointer dereference and application crash) via a crafted Graphite smart font.

CVSS Vector

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

Reference

http://blog.talosintel.com/2016/02/vulnerability-spotlight-libgraphite.html http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177520.html http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184623.html http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00053.html http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00055.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00052.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00058.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00088.html http://rhn.redhat.com/errata/RHSA-2016-0197.html http://rhn.redhat.com/errata/RHSA-2016-0258.html http://rhn.redhat.com/errata/RHSA-2016-0594.html http://www.debian.org/security/2016/dsa-3477 http://www.debian.org/security/2016/dsa-3479 http://www.debian.org/security/2016/dsa-3491 http://www.mozilla.org/security/announce/2016/mfsa2016-14.html http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html http://www.securityfocus.com/bid/82991 http://www.securitytracker.com/id/1035017 http://www.ubuntu.com/usn/USN-2902-1 http://www.ubuntu.com/usn/USN-2904-1 https://bugzilla.mozilla.org/show_bug.cgi?id=1246093 https://security.gentoo.org/glsa/201605-06 https://security.gentoo.org/glsa/201701-35 https://security.gentoo.org/glsa/201701-63

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5