PT-2022-8689 · Unknown · 4Thline Cling

Yyhylho · Published 2022-08-15 · Updated 2024-08-04 · CVE-2020-23622

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions 4thline cling versions 2.0.0 through 2.1.2

Description The issue in the UPnP protocol allows remote attackers to cause a denial of service via an unchecked CALLBACK parameter in the request header. As of 2022, 4thline cling is no longer supported by the maintainers.

Recommendations For versions 2.0.0 through 2.1.2, consider disabling the UPnP protocol to minimize the risk of exploitation until a patch is available, however, since 4thline cling is no longer supported, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

SSRF

Weakness Enumeration

CWE-918

Related Identifiers

CVE-2020-23622

GHSA-C438-6F6R-PG8W

Affected Products

4Thline Cling

References · 7

• 🔥 https://github.com/4thline/cling/issues/253 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-23622 · Security Note
• https://osv.dev/vulnerability/GHSA-c438-6f6r-pg8w · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-23622 · Vendor Advisory
• https://github.com/4thline/cling · Note
• https://zh-cn.tenable.com/blog/cve-2020-12695-callstranger-vulnerability-in-universal-plug-and-play-upnp-puts-billions-of?tns_redirect=true · Note
• https://t.me/cvenotify/89007 · Telegram Post