Information disclosure in Authenticator - CVE-2012-6140
Published: April 24, 2013 / Updated: August 11, 2020
Vulnerability identifier: #VU42874
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2012-6140
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: world
Affected software:
Authenticator
Authenticator
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
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.
How to mitigate CVE-2012-6140
Install update from vendor's website.