Vulnerability identifier: #VU67604

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-41317

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Squid
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor: Squid-cache.org

Description

The vulnerability allows a remote user to gain access to sensitive information.

The vulnerability exists due to inconsistent handling of internal URIs. A remote authenticated proxy user can bypass the manager ACL protection and access cache manager information, which includes records of internal network structure, client credentials, client identity and client traffic behavior.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Squid: 5.0 - 5.6, 4.9 - 4.17

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External links
http://github.com/squid-cache/squid/security/advisories/GHSA-rcg9-7fqm-83mq/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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