Vulnerability CVE-2017-11501
Published: 2017-07-20   Modified: 2017-07-21

Description:
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.

Type:

CWE-295

 (Certificate Issues)

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Nixos project -> Nixos 

 References:
http://openwall.com/lists/oss-security/2017/07/20/1
https://github.com/NixOS/nixpkgs/issues/27506
https://groups.google.com/forum/#!topic/nix-security-announce/qrDU0KH_ZRk
Copyright 2024, cxsecurity.com

 

Back to Top