CVE-2020-22217
Published: 22 August 2023
Buffer overflow vulnerability in c-ares before 1_16_1 thru 1_17_0 via function ares_parse_soa_reply in ares_parse_soa_reply.c.
Notes
| Author | Note |
|---|---|
Priority reason: Only an out-of-bounds read, so denial of service only |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
c-ares Launchpad, Ubuntu, Debian |
trusty |
Ignored
(end of standard support)
|
| xenial |
Needs triage
|
|
| bionic |
Needs triage
|
|
| focal |
Released
(1.15.0-1ubuntu0.4)
|
|
| jammy |
Not vulnerable
(1.18.1-1ubuntu0.22.04.2)
|
|
| lunar |
Not vulnerable
(1.18.1-2ubuntu0.1)
|
|
| upstream |
Needs triage
|
|
|
Patches: upstream: https://github.com/c-ares/c-ares/commit/1b98172b141fe874ad43e679e67506f9b2139043 |
||
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 |