CVE-2018-12383
Medium
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.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Mozilla Firefox
PublishedOct 18, 2018
First seenOct 18, 2018
How to fix
Update
- mozilla firefox62.0 or later
- mozilla firefox_esr60.2.1 or later
- mozilla thunderbird60.2.1 or later
Vendor advisories
- security.gentoo.org/glsa/201810-01
- security.gentoo.org/glsa/201811-13
- debian.org/security/2018/dsa-4327
- access.redhat.com/errata/RHSA-2018:2835
- access.redhat.com/errata/RHSA-2018:3403
- access.redhat.com/errata/RHSA-2018:3458
- debian.org/security/2018/dsa-4304
- access.redhat.com/errata/RHSA-2018:2834
- usn.ubuntu.com/3793-1/
- usn.ubuntu.com/3761-1/
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 62.0 | 62.0 |
| redhat enterprise_linux_desktop | 6.0, 7.0 | — |
| redhat enterprise_linux_server | 6.0, 7.0 | — |
| redhat enterprise_linux_server_aus | 7.6 | — |
| redhat enterprise_linux_server_eus | 7.5, 7.6 | — |
| redhat enterprise_linux_server_tus | 7.6 | — |
| redhat enterprise_linux_workstation | 6.0, 7.0 | — |
| debian debian_linux | 8.0, 9.0 | — |
| canonical ubuntu_linux | 14.04, 16.04, 18.04 | — |
| mozilla firefox_esr | v < 60.2.1 | 60.2.1 |
| mozilla thunderbird | v < 60.2.1 | 60.2.1 |
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