Summary
It was discovered that PAM/U2F could allow for authentication bypass in
some configurations. An attacker could possibly use this issue to execute
arbitrary code or cause a denial of service.
Fixed packages 3
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 22.04 LTS 22.04:LTS | pam-u2f | 1.1.0-1.1+deb12u1build0.22.04.1 |
| Ubuntu · 24.04 LTS 24.04:LTS | pam-u2f | 1.1.0-1.1+deb12u1build0.24.04.1 |
| Ubuntu · Pro 20.04 LTS Pro:20.04:LTS | pam-u2f | 1.0.8-1ubuntu0.1~esm1 |
Vulnerabilities 1
-
High 7.3
In Yubico pam-u2f before 1.3.1, local privilege escalation can sometimes occur. This product implements a Pluggable Aut…
References
-
report
https://ubuntu.com/security/CVE-2025-23013