CVE-2012-6140 Information disclosure in n/a
Local attackers can read the shared secret file due to insecure permissions, bypassing authentication restrictions in the Google Authenticator PAM module.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2012-6140?
CVE-2012-6140 is a low-severity vulnerability in n/a, published on 24 Apr 2013. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
pam_google_authenticator.c in the PAM module in Google Authenticator before 1.0 requires user-readable permissions for the secret file, which allows local users to bypass intended access restrictions and discover a shared secret via standard filesystem operations, a different vulnerability than CVE-2013-0258.
Weakness: CWE-200
Which versions are affected by CVE-2012-6140?
It affects 1 product.
Products include Google Authenticator.
How do I fix CVE-2012-6140?
Upgrade to a fixed version.
Is CVE-2012-6140 being exploited?
There is no known exploitation of CVE-2012-6140 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2012-6140, GHSA-cq7j-cjrf-2r4m.