Vulnerability Details CVE-2017-11501
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 36.4%
CVSS Severity
CVSS v3 Score 5.9
CVSS v2 Score 4.3
References
- http://openwall.com/lists/oss-security/2017/07/20/1
- https://github.com/NixOS/nixpkgs/issues/27506
- https://groups.google.com/forum/#%21topic/nix-security-announce/qrDU0KH_ZRk
- http://openwall.com/lists/oss-security/2017/07/20/1
- https://github.com/NixOS/nixpkgs/issues/27506
- https://groups.google.com/forum/#%21topic/nix-security-announce/qrDU0KH_ZRk
Products affected by CVE-2017-11501
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cpe:2.3:o:nixos_project:nixos:*