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CVE-2011-4966

Date: March 12, 2013

modules/rlm_unix/rlm_unix.c in FreeRADIUS before 2.2.0, when unix mode is enabled for user authentication, does not properly check the password expiration in /etc/shadow, which allows remote authenticated users to authenticate using an expired password.

Language: C

Severity Score

Related Resources (10)

http://rhn.redhat.com/errata/RHSA-2013-0134.html
https://nvd.nist.gov/vuln/detail/CVE-2011-4966
http://rhn.redhat.com/errata/RHBA-2012-0881.html
http://lists.opensuse.org/opensuse-updates/2013-01/msg00029.html
https://security-tracker.debian.org/tracker/CVE-2011-4966
http://lists.opensuse.org/opensuse-updates/2013-01/msg00079.html
https://access.redhat.com/security/cve/CVE-2011-4966
https://github.com/alandekok/freeradius-server/commit/1b1ec5ce75e224bd1755650c18ccdaa6dc53e605
https://people.canonical.com/~ubuntu-security/cve/CVE-2011-4966
https://www.mend.io/vulnerability-database/CVE-2011-4966

Severity Score

Weakness Type (CWE)

Credentials Management

CWE-255

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): SINGLE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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