Credentials management in FreeRADIUS
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2011-4966 |
| CWE-ID | CWE-255 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
FreeRADIUS Server applications / Directory software, identity management |
| Vendor | FreeRADIUS Server Project |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Credentials management
EUVDB-ID: #VU43009
Risk: Low
CVSSv3.1: 3 [CVSS:3.1/AV:N/AC:L/PR:/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2011-4966
CWE-ID:
CWE-255 - Credentials Management
Exploit availability: No
DescriptionThe vulnerability allows a remote #AU# to read and manipulate data.
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.
MitigationInstall update from vendor's website.
Vulnerable software versionsFreeRADIUS: 0.1 - 2.1.12
External linkshttp://lists.opensuse.org/opensuse-updates/2013-01/msg00029.html
http://lists.opensuse.org/opensuse-updates/2013-01/msg00079.html
http://rhn.redhat.com/errata/RHBA-2012-0881.html
http://rhn.redhat.com/errata/RHSA-2013-0134.html
http://github.com/alandekok/freeradius-server/commit/1b1ec5ce75e224bd1755650c18ccdaa6dc53e605
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
