Vulnerability Description
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.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- http://cernlib.web.cern.ch/cernlib/
- https://www.exploit-db.com/exploits/40203
- https://www.vulncheck.com/advisories/zftp-client-20061220-dfsg3-local-buffer-ove
FAQ
What is CVE-2016-20046?
CVE-2016-20046 is a vulnerability with a CVSS score of 8.4 (HIGH). 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...
How severe is CVE-2016-20046?
CVE-2016-20046 has been rated HIGH with a CVSS base score of 8.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-20046?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.