Buffer overflow in Proftpd

CVE-2010-4221

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 se…

Vulnerability class: Buffer Overflow

EPSS: 0.921 (99.7th percentile) — read the EPSS interpretation.

Affected products

  • Proftpd — versions 1.3.2, 1.3.3
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2010-4221?
CVE-2010-4221 is a vulnerability in Proftpd, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2010-11-09.
Is CVE-2010-4221 known to be exploited?
19 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.