CVE-2021-29948
Published: 22 April 2021
Signatures are written to disk before and read during verification, which might be subject to a race condition when a malicious local process or user is replacing the file. This vulnerability affects Thunderbird < 78.10.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
thunderbird Launchpad, Ubuntu, Debian |
bionic |
Released
(1:78.11.0+build1-0ubuntu0.18.04.2)
|
| focal |
Released
(1:78.11.0+build1-0ubuntu0.20.04.2)
|
|
| groovy |
Released
(1:78.11.0+build1-0ubuntu0.20.10.2)
|
|
| hirsute |
Released
(1:78.11.0+build1-0ubuntu0.21.04.2)
|
|
| impish |
Released
(1:78.11.0+build1-0ubuntu2)
|
|
| jammy |
Released
(1:78.11.0+build1-0ubuntu2)
|
|
| kinetic |
Released
(1:78.11.0+build1-0ubuntu2)
|
|
| lunar |
Released
(1:78.11.0+build1-0ubuntu2)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(78.10)
|
|
| xenial |
Ignored
(end of standard support, was needs-triage)
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 2.5 |
| Attack vector | Local |
| Attack complexity | High |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | Low |
| Availability impact | None |
| Vector | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N |