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CVE-2018-5129

Published: 14 March 2018

A lack of parameter validation on IPC messages results in a potential out-of-bounds write through malformed IPC messages. This can potentially allow for sandbox escape through memory corruption in the parent process. This vulnerability affects Thunderbird < 52.7, Firefox ESR < 52.7, and Firefox < 59.

Priority

Medium

Cvss 3 Severity Score

8.6

Score breakdown

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
upstream
Released (59.0)
xenial
Released (59.0+build5-0ubuntu0.16.04.1)
artful
Released (59.0+build5-0ubuntu0.17.10.1)
bionic
Released (59.0.1+build1-0ubuntu1)
trusty
Released (59.0+build5-0ubuntu0.14.04.1)
thunderbird
Launchpad, Ubuntu, Debian
upstream
Released (52.7.0)
xenial
Released (1:52.7.0+build1-0ubuntu0.16.04.1)
artful
Released (1:52.7.0+build1-0ubuntu0.17.10.1)
bionic
Released (1:52.7.0+build1-0ubuntu1)
trusty
Released (1:52.7.0+build1-0ubuntu0.14.04.1)

Severity score breakdown

Parameter Value
Base score 8.6
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Changed
Confidentiality None
Integrity impact High
Availability impact None
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N