Improper authentication in mod_nss - CVE-2011-4973
Published: March 20, 2018 / Updated: March 20, 2018
Vulnerability identifier: #VU11174
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2011-4973
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Ralf S. Engelschall
Affected software:
mod_nss
mod_nss
Detailed vulnerability description
The vulnerability allows a remote unauthenticated attacker to bypass security restrictions.
The weakness exists in the FakeBasicAuth function due to improper authentication checks. A remote attacker can utilize an existing user certificate while entering password as the authentication password, bypass security restrictions and gain access as a valid user.
The weakness exists in the FakeBasicAuth function due to improper authentication checks. A remote attacker can utilize an existing user certificate while entering password as the authentication password, bypass security restrictions and gain access as a valid user.
How to mitigate CVE-2011-4973
Install update from vendor's website.