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CVE-2018-12383

Publication date 6 September 2018

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

5.5 · Medium

Score breakdown

If a user saved passwords before Firefox 58 and then later set a master password, an unencrypted copy of these passwords is still accessible. This is because the older stored password file was not deleted when the data was copied to a new format starting in Firefox 58. The new master password is added only on the new file. This could allow the exposure of stored password data outside of user expectations. This vulnerability affects Firefox < 62, Firefox ESR < 60.2.1, and Thunderbird < 60.2.1.

Status

Package Ubuntu Release Status
firefox 18.04 LTS bionic
Fixed 62.0+build2-0ubuntu0.18.04.3
16.04 LTS xenial
Fixed 62.0+build2-0ubuntu0.16.04.3
14.04 LTS trusty
Fixed 62.0+build2-0ubuntu0.14.04.3
thunderbird 18.04 LTS bionic
Fixed 1:60.2.1+build1-0ubuntu0.18.04.2
16.04 LTS xenial
Fixed 1:60.2.1+build1-0ubuntu0.16.04.4
14.04 LTS trusty
Fixed 1:60.2.1+build1-0ubuntu0.14.04.2

Severity score breakdown

Parameter Value
Base score 5.5 · Medium
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact None
Vector CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N