CVE-2018-12359 Information

Description

A buffer overflow can occur when rendering canvas content while adjusting the height and width of the canvas element dynamically causing data to be written outside of the currently computed boundaries. This results in a potentially exploitable crash. This vulnerability affects Thunderbird 60 Thunderbird 52.9 Firefox ESR 60.1 Firefox ESR 52.9 and Firefox 61.

CVSS Vector

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

Reference

http://www.securityfocus.com/bid/104555 http://www.securitytracker.com/id/1041193 https://access.redhat.com/errata/RHSA-2018:2112 https://access.redhat.com/errata/RHSA-2018:2113 https://access.redhat.com/errata/RHSA-2018:2251 https://access.redhat.com/errata/RHSA-2018:2252 https://bugzilla.mozilla.org/show_bug.cgi?id=1459162 https://lists.debian.org/debian-lts-announce/2018/06/msg00014.html https://lists.debian.org/debian-lts-announce/2018/07/msg00013.html https://security.gentoo.org/glsa/201810-01 https://security.gentoo.org/glsa/201811-13 https://usn.ubuntu.com/3705-1/ https://usn.ubuntu.com/3714-1/ https://www.debian.org/security/2018/dsa-4235 https://www.debian.org/security/2018/dsa-4244 https://www.mozilla.org/security/advisories/mfsa2018-15/ https://www.mozilla.org/security/advisories/mfsa2018-16/ https://www.mozilla.org/security/advisories/mfsa2018-17/ https://www.mozilla.org/security/advisories/mfsa2018-18/ https://www.mozilla.org/security/advisories/mfsa2018-19/

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