CVE Catalog

CVE-2005-0147

High
Published: Translated: NVD NIST

Summary

Vulnerability in Firefox before 1.0 and Mozilla before 1.7.5, when configured to use a proxy, responds to 407 proxy auth requests from arbitrary servers, allowing remote attackers to steal NTLM or SPNEGO credentials.

Risk Assessment

An attacker can intercept sensitive authentication credentials, potentially leading to unauthorized access to network resources and privilege escalation in an enterprise environment.

Recommendation

Immediately upgrade Firefox to version 1.0 or later and Mozilla to version 1.7.5 or later. As a temporary workaround, consider disabling NTLM/SPNEGO authentication support in the proxy configuration.

Related vulnerabilities

Original NVD description (English source)

Firefox before 1.0 and Mozilla before 1.7.5, when configured to use a proxy, respond to 407 proxy auth requests from arbitrary servers, which allows remote attackers to steal NTLM or SPNEGO credentials.

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