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 server.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v2 metric
CVSS v2 base score 10.0 (High). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.913 (99.8th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.913 · newest: 0.913 · change: 0.000
Affected products
- Proftpd — versions 1.3.2, 1.3.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.proftpd.org/docs/NEWS-1.3.3c
- lists.fedoraproject.org/pipermail/package-announce/2010-November/050687.html (vendor-advisory)
- www.zerodayinitiative.com/advisories/ZDI-10-229/
- secunia.com/advisories/42217 (third-party-advisory)
- lists.fedoraproject.org/pipermail/package-announce/2010-November/050703.html (vendor-advisory)
- lists.fedoraproject.org/pipermail/package-announce/2010-November/050726.html (vendor-advisory)
- www.vupen.com/english/advisories/2010/2941 (vdb-entry)
- www.vupen.com/english/advisories/2010/2962 (vdb-entry)
- secunia.com/advisories/42052 (Vendor Advisory, third-party-advisory)
- bugs.proftpd.org/show_bug.cgi (Exploit)
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?
- 20 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.