CVE-2016-1960 Information

Description

Integer underflow in the nsHtml5TreeBuilder class in the HTML5 string parser in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7 allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free) by leveraging mishandling of end tags as demonstrated by incorrect SVG processing aka ZDI-CAN-3545.

CVSS Vector

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

Reference

http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00027.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00029.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00031.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00050.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00068.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00089.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00091.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00093.html http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00006.html http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00007.html http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00008.html http://www.debian.org/security/2016/dsa-3510 http://www.debian.org/security/2016/dsa-3520 http://www.mozilla.org/security/announce/2016/mfsa2016-23.html http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html http://www.securitytracker.com/id/1035215 http://www.ubuntu.com/usn/USN-2917-1 http://www.ubuntu.com/usn/USN-2917-2 http://www.ubuntu.com/usn/USN-2917-3 http://www.ubuntu.com/usn/USN-2934-1 http://zerodayinitiative.com/advisories/ZDI-16-198/ https://bugzilla.mozilla.org/show_bug.cgi?id=1246014 https://security.gentoo.org/glsa/201605-06 https://www.exploit-db.com/exploits/42484/ https://www.exploit-db.com/exploits/44294/

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

8.8