CVE-2022-4904
Published: 15 February 2023
A flaw was found in the c-ares package. The ares_set_sortlist is missing checks about the validity of the input string, which allows a possible arbitrary length stack overflow. This issue may cause a denial of service or a limited impact on confidentiality and integrity.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
c-ares Launchpad, Ubuntu, Debian |
bionic |
Released
(1.14.0-1ubuntu0.2)
|
| focal |
Released
(1.15.0-1ubuntu0.2)
|
|
| jammy |
Released
(1.18.1-1ubuntu0.22.04.1)
|
|
| kinetic |
Released
(1.18.1-1ubuntu0.22.10.1)
|
|
| lunar |
Not vulnerable
(1.18.1-2)
|
|
| mantic |
Not vulnerable
(1.18.1-2)
|
|
| trusty |
Ignored
(end of standard support)
|
|
| upstream |
Released
(1.18.1-2)
|
|
| xenial |
Needs triage
|
|
|
Patches: upstream: https://github.com/c-ares/c-ares/commit/9903253c347f9e0bffd285ae3829aef251cc852d |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 8.6 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | Low |
| Integrity impact | Low |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H |