CVE-2017-11501 Security feature bypass in n/a
NixOS LDAP module disables SSL certificate validation when TLS is enabled, allowing man-in-the-middle attacks against authentication.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-11501?
CVE-2017-11501 is a medium-severity vulnerability in n/a, published on 20 Jul 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-295
Which versions are affected by CVE-2017-11501?
It affects 1 product.
Products include Nixos Project Nixos.
How do I fix CVE-2017-11501?
No fix has been published for CVE-2017-11501 yet. Limit exposure of the affected software until one is available.
Is CVE-2017-11501 being exploited?
There is no known exploitation of CVE-2017-11501 in the wild and no public exploit code.
Sources
Also known as GHSA-9ggv-74q3-4mc4.