1744 : WU-FTPD Debug Mode Client Hostname Remote Format String
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
6	1015	about 10 years ago	8 months ago	3 times	90%

Timeline

Disclosure Date
2001-01-23

Description

WU-FTPD contains a flaw that may allow a remote attacker to execute arbitrary code. The issue occurs when the service runs in 'debug' mode and an attacker has control over ident information being returned to the server. By manipulating the ident data returned to the host when requested by RFC 931 based authentication, an attacker can provide custom data with user-supplied format string identifiers that are passed to the syslog facility. This can be abused to overwrite portions of the system memory and execute arbitrary code.

Classification

Location: Local / Remote, Context Dependent
Attack Type: Input Manipulation
Impact: Loss of Integrity

Solution

Upgrade to version 2.6.2 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

WU-FTPD Development Group

wu-ftpd

2.6.1

References

CVE ID: 2001-0187 (see also: NVD)
Exploit Database: 20594
Bugtraq ID: 2296
ISS X-Force ID: 6020
CERT VU: 639760
CERT: CA-2001-33
Vendor Specific Solution URL: ftp://ftp.wu-ftpd.org/pub/wu-ftpd/patches/apply_to_current/missing_format_strings.patch
CIAC Advisory: m-032

Tools & Filters

	11331 14853
	1809

Credit

Unknown or Incomplete

CVSSv2 Score

CVSSv2 Base Score = 10.0
Source: nvd.nist.gov | Generated: 2003-12-31 | Disagree?

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