Vulnerability CVE-2018-12386
Published: 2018-10-18

Description:
A vulnerability in register allocation in JavaScript can lead to type confusion, allowing for an arbitrary read and write. This leads to remote code execution inside the sandboxed content process when triggered. This vulnerability affects Firefox ESR < 60.2.2 and Firefox < 62.0.3.

Type:

CWE-704

 (Incorrect Type Conversion or Cast)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
5.8/10
4.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
None
Affected software
Redhat -> Enterprise linux desktop 
Redhat -> Enterprise linux server 
Redhat -> Enterprise linux server aus 
Redhat -> Enterprise linux server eus 
Redhat -> Enterprise linux server tus 
Redhat -> Enterprise linux workstation 
Mozilla -> Firefox 
Mozilla -> Firefox esr 
Debian -> Debian linux 
Canonical -> Ubuntu linux 

 References:
http://www.securityfocus.com/bid/105460
http://www.securitytracker.com/id/1041770
https://access.redhat.com/errata/RHSA-2018:2881
https://access.redhat.com/errata/RHSA-2018:2884
https://bugzilla.mozilla.org/show_bug.cgi?id=1493900
https://security.gentoo.org/glsa/201810-01
https://usn.ubuntu.com/3778-1/
https://www.debian.org/security/2018/dsa-4310
https://www.mozilla.org/security/advisories/mfsa2018-24/
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