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7.5
CVSSv2

CVE-2011-4120

Published: 26/11/2019 Updated: 18/08/2020
CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10
CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9
VMScore: 668
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
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Vulnerability Summary

Yubico PAM Module prior to 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.

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yubico pam_module

debian debian linux 8.0

debian debian linux 9.0

debian debian linux 10.0

References

CWE-20https://security-tracker.debian.org/tracker/CVE-2011-4120https://www.openwall.com/lists/oss-security/2011/11/07/6https://access.redhat.com/security/cve/cve-2011-4120https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-4120https://nvd.nist.gov
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2024-3661open redirectCVE-2024-25512CVE-2024-33788command injectionSSTICVE-2024-0043CVE-2024-29210CVE-2024-25510
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