CVE-2022-23097: An issue was discovered in the DNS proxy in Connman through 1.40

Critical severity · published Jan 28, 2022

CVE-2022-23097

An issue was discovered in the DNS proxy in Connman through 1.40

9.1

CVSS

2.4%

EPSS

On KEV

Description

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Attack vector

Network

Complexity

Low

Privileges

None

User interaction

None

Confidentiality

High

Integrity

None

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)2.4% · higher than 84% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Connman · Intel

through 1.40 · source: NVD

Debian Linux · Debian

9.0; 11.0 · source: NVD

Affected product

Debian Linux

Debian

All Debian Linux CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2022-23097

CVE.org

https://www.cve.org/CVERecord?id=CVE-2022-23097

Product

https://git.kernel.org/pub/scm/network/connman/connman.git/log/

Mailing List

https://lists.debian.org/debian-lts-announce/2022/02/msg00009.html

Third Party Advisory

https://security.gentoo.org/glsa/202310-21

Third Party Advisory

https://www.debian.org/security/2022/dsa-5231

Exploit

https://www.openwall.com/lists/oss-security/2022/01/25/1