CVE-2022-23097

Name: CVE-2022-23097
Creator: NVD / NIST
Published: 2022-01-28T16:15:07.943+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.1/10EPSS 2.37%

Last modified Jun 17, 2026

CVE-2022-23097 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. 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.. EPSS estimates a 2.37% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.1/10

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

EPSS Probability

2.37%

81.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
Intel	Connman	<= 1.40
Debian	Debian Linux	9.0
Debian	Debian Linux	11.0

References

https://git.kernel.org/pub/scm/network/connman/connman.git/log/Product, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/02/msg00009.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/202310-21Third Party Advisory
https://www.debian.org/security/2022/dsa-5231Third Party Advisory
https://www.openwall.com/lists/oss-security/2022/01/25/1Exploit, Mailing List, Third Party Advisory
https://git.kernel.org/pub/scm/network/connman/connman.git/log/Product, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/02/msg00009.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/202310-21Third Party Advisory
https://www.debian.org/security/2022/dsa-5231Third Party Advisory
https://www.openwall.com/lists/oss-security/2022/01/25/1Exploit, Mailing List, Third Party Advisory

Timeline

Published: Jan 28, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-23097?

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.

How severe is CVE-2022-23097?

CVE-2022-23097 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 2.37% probability of exploitation in the next 30 days.

How do I fix CVE-2022-23097?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-23097?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST