Vulnerability CVE-2018-5178
Published: 2018-06-11

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.

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Redhat -> Enterprise linux 
Redhat -> Enterprise linux desktop 
Redhat -> Enterprise linux server 
Redhat -> Enterprise linux server eus 
Redhat -> Enterprise linux workstation 
Redhat -> Enterprise linux server aus 
Redhat -> Enterprise linux server tus 
Mozilla -> Firefox esr 
Mozilla -> Thunderbird 
Mozilla -> Thunderbird esr 
Debian -> Debian linux 
Canonical -> Ubuntu linux 

 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/
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