CVE-2017-11501
low-risk
Published 2017-07-20
NixOS 17.03 and earlier has an unintended default absence of SSL Certificate Validation for LDAP. The users.ldap NixOS module implements user authentication against LDAP servers via a PAM module. It was found that if TLS is enabled to connect to the LDAP server with users.ldap.useTLS, peer verification will be unconditionally disabled in /etc/ldap.conf.
Do I need to act?
-
0.09% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.9/10
Medium
NETWORK
/ HIGH complexity
Affected Products (1)
Nixos
Affected Vendors
References (6)
Mailing List
http://openwall.com/lists/oss-security/2017/07/20/1
Issue Tracking
https://github.com/NixOS/nixpkgs/issues/27506
Mailing List
http://openwall.com/lists/oss-security/2017/07/20/1
Issue Tracking
https://github.com/NixOS/nixpkgs/issues/27506
23
/ 100
low-risk
Severity
18/34 · Moderate
Exploitability
0/34 · Minimal
Exposure
5/34 · Minimal