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 |