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CVE-2022-23097

Date: January 27, 2022

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.

Severity Score

9.1

Related Resources (10)

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

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

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2022-23097

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

Url: https://security-tracker.debian.org/tracker/CVE-2022-23097

Url: https://security.alpinelinux.org/vuln/CVE-2022-23097

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

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

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

Url: https://www.mend.io/vulnerability-database/CVE-2022-23097

Severity Score

9.1

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

CVSS v3.1

Base Score:	9.1
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	6.4
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	NONE
Availability (A):	PARTIAL
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