CVE-2018-5178

MEDIUM

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.

References

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/

Details

Source: MITRE

Published: 2018-06-11

Modified: 2018-11-25

Type: CWE-119

Risk Information

CVSS v2.0

Base Score: 6.8

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3.0

Base Score: 8.1

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

Impact Score: 5.9

Exploitability Score: 2.2

Severity: HIGH