CVE Catalog

CVE-2004-1008

High
Published: Translated: NVD NIST

Summary

Integer signedness error in the ssh2_rdpkt function in PuTTY before 0.56 allows remote attackers to execute arbitrary code via a SSH2_MSG_DEBUG packet with a modified stringlen parameter, which leads to a buffer overflow.

Risk Assessment

The organization is at risk of remote code execution on vulnerable PuTTY clients, potentially leading to full system compromise.

Recommendation

Upgrade PuTTY to version 0.56 or later immediately to mitigate this vulnerability.

Related vulnerabilities

Original NVD description (English source)

Integer signedness error in the ssh2_rdpkt function in PuTTY before 0.56 allows remote attackers to execute arbitrary code via a SSH2_MSG_DEBUG packet with a modified stringlen parameter, which leads to a buffer overflow.

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