CVE Catalog

CVE-2005-0560

High
Published: Translated: NVD NIST

Summary

Heap-based buffer overflow in the SvrAppendReceivedChunk function in xlsasink.dll in the SMTP service of Exchange Server 2000 and 2003 allows remote attackers to execute arbitrary code via a crafted X-LINK2STATE extended verb request to the SMTP port.

Risk Assessment

An attacker can remotely take control of the Exchange server, leading to compromise of confidentiality, integrity, and availability of data and the entire email infrastructure of the organization.

Recommendation

Immediately apply the appropriate security patch provided by Microsoft for Exchange 2000 and 2003, and consider restricting SMTP port access to trusted sources only.

Related vulnerabilities

Original NVD description (English source)

Heap-based buffer overflow in the SvrAppendReceivedChunk function in xlsasink.dll in the SMTP service of Exchange Server 2000 and 2003 allows remote attackers to execute arbitrary code via a crafted X-LINK2STATE extended verb request to the SMTP port.

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