CVE Catalog

CVE-2006-2194

High
Published: Translated: NVD NIST

Summary

The winbind plugin in pppd for ppp 2.4.4 and earlier does not check the return code from the setuid function call. This could allow local users to gain privileges by causing setuid to fail, such as exceeding PAM limits for the maximum number of user processes, which prevents the winbind NTLM authentication helper from dropping privileges.

Risk Assessment

The risk involves potential privilege escalation by a local user, which could lead to unauthorized access to system resources or full system compromise.

Recommendation

It is recommended to upgrade ppp to version 2.4.5 or later, which includes a fix that checks the setuid return code. If upgrading is not possible, restrict local user access to the system.

Related vulnerabilities

Original NVD description (English source)

The winbind plugin in pppd for ppp 2.4.4 and earlier does not check the return code from the setuid function call, which might allow local users to gain privileges by causing setuid to fail, such as exceeding PAM limits for the maximum number of user processes, which prevents the winbind NTLM authentication helper from dropping privileges.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS