- Vulnerabilities 85,576
wu-ftpd S/KEY authentication overflow
Published: 2005-11-03 13:08:04
CVE Author: NIST National Vulnerability Database
CVSS Base Vector:
AV:N/AC:L/Au:N/C:C/I:C/A:C
Summary:
The remote Wu-FTPd server seems to be vulnerable to a remote overflow.
Technical Details:
This version contains a remote overflow if s/key support is enabled.
The skey_challenge function fails to perform bounds checking on the
name variable resulting in a buffer overflow.
With a specially crafted request, an attacker can execute arbitrary
code resulting in a loss of integrity and/or availability.
It appears that this vulnerability may be exploited prior to authentication.
It is reported that S/Key support is not enabled by default, though some
operating system distributions which ship Wu-Ftpd may have it enabled.
Recommendations:
Upgrade to Wu-FTPd 2.6.3 when available or disable SKEY or apply the
patches available at the referenced vendor homepage.
Solution Type:
Vendor Patch
Detection Type:
Remote Banner Unreliable
https://nvd.nist.gov/vuln/detail/CVE-2004-0185
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