CVE-2010-4221

Public Exploit

Description

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.

Category

10.0
CVSS
Severity: Critical
CVSS 2.0 •
EPSS 92.89% Top 5%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory mandriva.com Vendor Advisory secunia.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.proftpd.org/docs/NEWS-1.3.3c
http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050687.html vendor advisory
http://www.zerodayinitiative.com/advisories/ZDI-10-229/
http://secunia.com/advisories/42217 third party advisory
http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050703.html vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050726.html vendor advisory
http://www.vupen.com/english/advisories/2010/2941 vdb entry
http://www.vupen.com/english/advisories/2010/2962 vdb entry
http://secunia.com/advisories/42052 third party advisory vendor advisory
http://bugs.proftpd.org/show_bug.cgi?id=3521 exploit
http://www.mandriva.com/security/advisories?name=MDVSA-2010:227 vendor advisory
http://www.securityfocus.com/bid/44562 vdb entry exploit
http://www.vupen.com/english/advisories/2010/2959 vdb entry

Frequently Asked Questions

What is the severity of CVE-2010-4221?
CVE-2010-4221 has been scored as a critical severity vulnerability.
How to fix CVE-2010-4221?
To fix CVE-2010-4221, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2010-4221 being actively exploited in the wild?
It is possible that CVE-2010-4221 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~93% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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