CVE-2018-5178 Information

Description

A buffer overflow was found during UTF8 to Unicode string conversion within JavaScript with extremely large amounts of data. This vulnerability requires the use of a malicious or vulnerable legacy extension in order to occur. This vulnerability affects Thunderbird ESR 52.8 Thunderbird 52.8 and Firefox ESR 52.8.

CVSS Vector

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

Reference

http://www.securityfocus.com/bid/104138 http://www.securitytracker.com/id/1040898 https://access.redhat.com/errata/RHSA-2018:1414 https://access.redhat.com/errata/RHSA-2018:1415 https://access.redhat.com/errata/RHSA-2018:1725 https://access.redhat.com/errata/RHSA-2018:1726 https://bugzilla.mozilla.org/show_bug.cgi?id=1443891 https://lists.debian.org/debian-lts-announce/2018/05/msg00007.html https://lists.debian.org/debian-lts-announce/2018/05/msg00013.html https://security.gentoo.org/glsa/201810-01 https://security.gentoo.org/glsa/201811-13 https://usn.ubuntu.com/3660-1/ https://www.debian.org/security/2018/dsa-4199 https://www.debian.org/security/2018/dsa-4209 https://www.mozilla.org/security/advisories/mfsa2018-12/ https://www.mozilla.org/security/advisories/mfsa2018-13/

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.1