Vulnerability identifier: #VU67467

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-23098

CWE-ID: CWE-835

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
ConnMan
Universal components / Libraries / Libraries used by multiple products

Vendor: kernel.org

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to infinite loop when handling TCP connections. A remote attacker can send specially crafted packets to the application, consume all available system resources and cause denial of service conditions.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

ConnMan: 0.1 - 1.40

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External links
http://git.kernel.org/pub/scm/network/connman/connman.git/log/
http://www.openwall.com/lists/oss-security/2022/01/25/1
http://lists.debian.org/debian-lts-announce/2022/02/msg00009.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.