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 |