CVE Catalog

CVE-2016-20046

High
Published: Translated: NVD NIST

Summary

zFTP Client version 20061220+dfsg3-4.1 contains a buffer overflow vulnerability in the NAME parameter handling of FTP connections, allowing local attackers to crash the application or execute arbitrary code.

Risk Assessment

Attackers can supply an oversized NAME value, leading to overwriting the instruction pointer and executing shellcode with user privileges, posing a serious security risk to the system.

Recommendation

It is recommended to update zFTP Client to the latest version that fixes this vulnerability and to monitor systems for potential attack attempts.

Related vulnerabilities

Original NVD description (English source)

zFTP Client 20061220+dfsg3-4.1 contains a buffer overflow vulnerability in the NAME parameter handling of FTP connections that allows local attackers to crash the application or execute arbitrary code. Attackers can supply an oversized NAME value exceeding the 80-byte buffer allocated in strcpy_chk to overwrite the instruction pointer and execute shellcode with user privileges.

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