Your submission was sent successfully! Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

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

AuthorNote
Priority reason:
Only an out-of-bounds read, so denial of service only

Priority

Medium

Cvss 3 Severity Score

5.9

Score breakdown

Status

Package Release Status
c-ares
Launchpad, Ubuntu, Debian
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)
mantic Not vulnerable
(1.19.1-3)
noble Not vulnerable
(1.19.1-3)
trusty Ignored
(end of standard support)
upstream Needs triage

xenial Needs triage

Patches:
upstream: https://github.com/c-ares/c-ares/commit/1b98172b141fe874ad43e679e67506f9b2139043

Severity score breakdown

Parameter Value
Base score 5.9
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H