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CVE-2022-23097

Publication date 28 January 2022

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.1 · Critical

Score breakdown

An issue was discovered in the DNS proxy in Connman through 1.40. forward_dns_reply mishandles a strnlen call, leading to an out-of-bounds read.

Status

Package Ubuntu Release Status
connman 23.04 lunar
Not affected
22.10 kinetic
Not affected
22.04 LTS jammy
Fixed 1.36-2.3ubuntu0.1
21.10 impish Ignored end of life
20.04 LTS focal
Fixed 1.36-2ubuntu0.1
18.04 LTS bionic
16.04 LTS xenial
14.04 LTS trusty Ignored end of standard support

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Severity score breakdown

Parameter Value
Base score 9.1 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

References

Related Ubuntu Security Notices (USN)

Other references