Main Vulnerability Database Vulnerabilities #VU33043

Improper Authentication - CVE-2018-16737

Published: October 10, 2018 / Updated: August 3, 2020

Vulnerability identifier: #VU33043

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2018-16737

CWE-ID: CWE-287

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to manipulate data.

tinc before 1.0.30 has a broken authentication protocol, without even a partial mitigation.

Affected software

tinc (Alpine package)
xen (Alpine package)
tinc
Fedora

How to mitigate CVE-2018-16737

Install update from vendor's website.

tinc (Alpine package) - update to 1.0.35-r0
xen (Alpine package) - update to 4.7.6-r0
tinc - addressed in versions 1.0.35-1.el7, 1.0.35-1.fc28, 1.0.35-1.fc29

External References

http://tinc-vpn.org/security/
http://www.tinc-vpn.org/git/browse?p=tinc;a=commit;h=d3297fbd3b8c8c8a4661f5bbf89aca5cacba8b5a

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