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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.9 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 36%
VendorProductVersion
nixos_projectnixos
𝑥
≤ 17.03
𝑥
= Vulnerable software versions
Common Weakness Enumeration
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