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Last updated: 1/30/2015 4:24:41 AM

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Vulnerability Summary for CVE-2008-4247

Original release date: 09/25/2008
Last revised: 10/22/2012


ftpd in OpenBSD 4.3, FreeBSD 7.0, NetBSD 4.0, Solaris, and possibly other operating systems interprets long commands from an FTP client as multiple commands, which allows remote attackers to conduct cross-site request forgery (CSRF) attacks and execute arbitrary FTP commands via a long ftp:// URI that leverages an existing session from the FTP client implementation in a web browser.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 7.5 (HIGH) (AV:N/AC:L/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore: 6.4
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

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External Source: SECTRACK
Name: 1020946
External Source: SECUNIA
Name: 32068
External Source: MISC
Name: http://bugs.proftpd.org/show_bug.cgi?id=3115
External Source: SECTRACK
Name: 1021112
External Source: CONFIRM
Name: http://www.openbsd.org/cgi-bin/cvsweb/src/libexec/ftpd/ftpd.c.diff?r1=1.183&r2=1.184&f=h
External Source: SREASONRES
Name: 20080926 multiple vendor ftpd - Cross-site request forgery
External Source: FREEBSD
Name: FreeBSD-SA-08:12
External Source: SECUNIA
Name: 32070
External Source: SECUNIA
Name: 33341
External Source: CONFIRM
Name: http://www.oracle.com/technetwork/topics/security/cpuoct2010-175626.html
External Source: CONFIRM
Name: http://www.openbsd.org/cgi-bin/cvsweb/src/libexec/ftpd/ftpcmd.y.diff?r1=1.51&r2=1.52&f=h
External Source: CONFIRM
Name: http://www.openbsd.org/cgi-bin/cvsweb/src/libexec/ftpd/ftpcmd.y
External Source: SREASON
Name: 4313
External Source: NETBSD
Name: NetBSD-SA2008-014
External Source: CONFIRM
Name: http://www.openbsd.org/cgi-bin/cvsweb/src/libexec/ftpd/ftpd.c

Vulnerable software and versions

+ Configuration 1
+ OR
* cpe:/o:openbsd:openbsd:4.3
* cpe:/o:freebsd:freebsd:7.0
* cpe:/o:netbsd:netbsd:4.0

* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)
  • Cross-Site Request Forgery (CSRF) (CWE-352)