CVE-2022-39317
Published: 17 November 2022
FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing a range check for input offset index in ZGFX decoder. A malicious server can trick a FreeRDP based client to read out of bound data and try to decode it. This issue has been addressed in version 2.9.0. There are no known workarounds for this issue.
Notes
| Author | Note |
|---|---|
| mdeslaur | malicious server could cause client to crash same commit as CVE-2022-39316 |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
freerdp Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
| focal |
Does not exist
|
|
| jammy |
Does not exist
|
|
| kinetic |
Does not exist
|
|
| trusty |
Ignored
(end of standard support)
|
|
| upstream |
Needs triage
|
|
| xenial |
Needs triage
|
|
|
freerdp2 Launchpad, Ubuntu, Debian |
bionic |
Released
(2.2.0+dfsg1-0ubuntu0.18.04.4)
|
| focal |
Released
(2.2.0+dfsg1-0ubuntu0.20.04.4)
|
|
| jammy |
Released
(2.6.1+dfsg1-3ubuntu2.3)
|
|
| kinetic |
Released
(2.8.1+dfsg1-0ubuntu1.1)
|
|
| lunar |
Released
(2.8.1+dfsg1-1ubuntu1)
|
|
| mantic |
Released
(2.8.1+dfsg1-1ubuntu1)
|
|
| trusty |
Ignored
(end of standard support)
|
|
| upstream |
Needs triage
|
|
| xenial |
Ignored
(end of standard support)
|
|
|
Patches: upstream: https://github.com/FreeRDP/FreeRDP/commit/e865c24efc40ebc52e75979c94cdd4ee2c1495b0 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 4.6 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | Low |
| Integrity impact | None |
| Availability impact | Low |
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L |