Multiple stack-based buffer overflows in the pr_netio_telnet_gets function in netio.c in ProFTPD before 1.3.3c allow remote attackers to execute arbitrary code via vectors involving a TELNET IAC escape character to a (1) FTP or (2) FTPS server.
Published 2010-11-09 21:00:06
Updated 2011-09-15 03:18:17
Source MITRE
View at NVD,   CVE.org
Vulnerability category: OverflowExecute code

Products affected by CVE-2010-4221

Threat overview for CVE-2010-4221

Top countries where our scanners detected CVE-2010-4221
Top open port discovered on systems with this issue 21
IPs affected by CVE-2010-4221 32,405
Threat actors abusing to this issue? Yes
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*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2010-4221

92.13%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 100 %
Percentile, the proportion of vulnerabilities that are scored at or less

Metasploit modules for CVE-2010-4221

  • ProFTPD 1.3.2rc3 - 1.3.3b Telnet IAC Buffer Overflow (Linux)
    Disclosure Date: 2010-11-01
    First seen: 2020-04-26
    exploit/linux/ftp/proftp_telnet_iac
    This module exploits a stack-based buffer overflow in versions of ProFTPD server between versions 1.3.2rc3 and 1.3.3b. By sending data containing a large number of Telnet IAC commands, an attacker can corrupt memory and execute arbitrary code. The Debian S
  • ProFTPD 1.3.2rc3 - 1.3.3b Telnet IAC Buffer Overflow (FreeBSD)
    Disclosure Date: 2010-11-01
    First seen: 2020-04-26
    exploit/freebsd/ftp/proftp_telnet_iac
    This module exploits a stack-based buffer overflow in versions of ProFTPD server between versions 1.3.2rc3 and 1.3.3b. By sending data containing a large number of Telnet IAC commands, an attacker can corrupt memory and execute arbitrary code. Authors: - j

CVSS scores for CVE-2010-4221

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
10.0
HIGH AV:N/AC:L/Au:N/C:C/I:C/A:C
10.0
10.0
NIST

CWE ids for CVE-2010-4221

  • The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
    Assigned by: nvd@nist.gov (Primary)
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