#VU111809 Stack-based buffer overflow in ProFTPD - CVE-2010-4221
Published: September 15, 2011 / Updated: June 23, 2025
Vulnerability identifier: #VU111809
Vulnerability risk: High
CVSSv4.0:
CVE-ID: CVE-2010-4221
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerable software:
ProFTPD
ProFTPD
Software vendor:
ProFTPD
ProFTPD
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing vectors involving a TELNET IAC escape character to a (1) FTP or (2) FTPS server. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.
External links
- http://bugs.proftpd.org/show_bug.cgi?id=3521
- http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050687.html
- http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050703.html
- http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050726.html
- http://secunia.com/advisories/42052
- http://secunia.com/advisories/42217
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:227
- http://www.proftpd.org/docs/NEWS-1.3.3c
- http://www.securityfocus.com/bid/44562
- http://www.vupen.com/english/advisories/2010/2941
- http://www.vupen.com/english/advisories/2010/2959
- http://www.vupen.com/english/advisories/2010/2962
- http://www.zerodayinitiative.com/advisories/ZDI-10-229/