SB2011031502 - Improper Authentication in arthurdejong nss-pam-ldapd
Published: March 15, 2011 Updated: August 11, 2020
Security Bulletin ID
SB2011031502
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Authentication (CVE-ID: CVE-2011-0438)
CWE-ID: CWE-287 - Improper Authentication
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
nslcd/pam.c in the nss-pam-ldapd 0.8.0 PAM module returns a success code when a user is not found in LDAP, which allows remote attackers to bypass authentication.
Remediation
Install update from vendor's website.
References
- http://arthurdejong.org/nss-pam-ldapd/news.html#20110309
- http://lists.arthurdejong.org/nss-pam-ldapd-announce/2011/attachments/txtVf3rHgt8qQ.txt
- http://lists.arthurdejong.org/nss-pam-ldapd-announce/2011/msg00000.html
- http://securityreason.com/securityalert/8132
- http://www.securityfocus.com/bid/46819
- https://exchange.xforce.ibmcloud.com/vulnerabilities/66028