CVE-2018-12383
firefox-esr - security update
5.5
MEDIUM
CVSS 3.1
EPSS 0.08%
Description
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.
How to fix CVE-2018-12383
To remediate CVE-2018-12383, upgrade the affected package to a fixed version below.
- —upgrade to 60.2.1esr-1 or later
- —upgrade to 60.2.1esr-1~deb9u1 or later
- —upgrade to 1:60.2.1-1 or later
Is CVE-2018-12383 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 60.2.1esr-1
- from 0, < 60.2.1esr-1~deb9u1
- from 0, < 1:60.2.1-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |