CVE-2021-20232
Published: 12 March 2021
A flaw was found in gnutls. A use after free issue in client_send_params in lib/ext/pre_shared_key.c may lead to memory corruption and other potential consequences.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
gnutls28 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(code not present)
|
| focal |
Released
(3.6.13-2ubuntu1.6)
|
|
| groovy |
Ignored
(end of life)
|
|
| hirsute |
Not vulnerable
(3.7.1-3ubuntu1)
|
|
| impish |
Not vulnerable
(3.7.1-4ubuntu1)
|
|
| jammy |
Not vulnerable
(3.7.1-4ubuntu1)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(3.7.1-1)
|
|
| xenial |
Not vulnerable
(code not present)
|
|
|
Patches: upstream: https://gitlab.com/gnutls/gnutls/-/commit/75a937d97f4fefc6f9b08e3791f151445f551cb3 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 9.8 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |