CVE Catalog

CVE-2004-1052

High
Published: Translated: NVD NIST

Summary

Buffer overflow in the getnickuserhost function in BNC 2.8.9 (and possibly other versions) allows a remote IRC server to execute arbitrary code by sending a response containing many '!' or '@' characters.

Risk Assessment

An attacking IRC server can remotely execute arbitrary code on the vulnerable BNC client, leading to full system compromise.

Recommendation

Immediately upgrade BNC to a version after 2.8.9 that fixes this vulnerability, or apply available patches.

Related vulnerabilities

Original NVD description (English source)

Buffer overflow in the getnickuserhost function in BNC 2.8.9, and possibly other versions, allows remote IRC servers to execute arbitrary code via an IRC server response that contains many (1) ! (exclamation) or (2) @ (at sign) characters.

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