critical9.8
CVE-2011-4120
Yubico PAM Module before 2.10 performed user authentication when 'use_first_pass' PAM configuration option was not used and the module was configured as 'suffi…
Impact
Yubico PAM Module before 2.10 performed user authentication when 'use_first_pass' PAM configuration option was not used and the module was configured as 'sufficient' in the PAM configuration. A remote attacker could use this flaw to circumvent common authentication process and obtain access to the account in question by providing a NULL value (pressing Ctrl-D keyboard sequence) as the password string.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Yubico | Pam Module | before 2.10 |
| Debian | Debian Linux | Versions 8.0, 9.0, 10.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://access.redhat.com/security/cve/cve-2011-4120
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-4120
- https://security-tracker.debian.org/tracker/CVE-2011-4120
- https://www.openwall.com/lists/oss-security/2011/11/07/6
- https://access.redhat.com/security/cve/cve-2011-4120
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-4120
- https://security-tracker.debian.org/tracker/CVE-2011-4120
- https://www.openwall.com/lists/oss-security/2011/11/07/6