PureFTPd Accept_Client Remote Denial of Service Vulnerability

BID:10664

Info

PureFTPd Accept_Client Remote Denial of Service Vulnerability

Bugtraq ID: 10664
Class: Design Error
CVE: CVE-2004-0656
Remote: Yes
Local: No
Published: Jul 05 2004 12:00AM
Updated: Mar 19 2015 09:29AM
Credit: This vulnerability was announced in a vendor advisory.
Vulnerable: PureFTPd PureFTPd 1.0.18
PureFTPd PureFTPd 1.0.17 a
PureFTPd PureFTPd 1.0.16 c
PureFTPd PureFTPd 1.0.16 b
PureFTPd PureFTPd 1.0.16 a
PureFTPd PureFTPd 1.0.16
PureFTPd PureFTPd 1.0.15
PureFTPd PureFTPd 1.0.14
PureFTPd PureFTPd 1.0.13 a
PureFTPd PureFTPd 1.0.12
+ cPanel cPanel 9.1 .0-R85
+ cPanel cPanel 9.1
+ cPanel cPanel 9.0
+ cPanel cPanel 8.0
+ cPanel cPanel 7.0
+ cPanel cPanel 6.4.2 .STABLE_48
+ cPanel cPanel 6.4.2
+ cPanel cPanel 6.4.1
+ cPanel cPanel 6.4
+ cPanel cPanel 6.2
+ cPanel cPanel 6.0
+ cPanel cPanel 5.3
+ cPanel cPanel 5.0
PureFTPd PureFTPd 1.0.11
PureFTPd PureFTPd 1.0.5
- Caldera OpenLinux Server 3.1
- Compaq Tru64 5.1 a
- Compaq Tru64 5.1
- Compaq Tru64 5.0 f
- Compaq Tru64 5.0 a
- Compaq Tru64 5.0
- Debian Linux 2.2 sparc
- Debian Linux 2.2 powerpc
- Debian Linux 2.2 IA-32
- Debian Linux 2.2 arm
- Debian Linux 2.2 alpha
- Debian Linux 2.2 68k
- FreeBSD FreeBSD 4.4
- FreeBSD FreeBSD 4.3
- Mandriva Linux Mandrake 8.1
- Mandriva Linux Mandrake 8.0 ppc
- Mandriva Linux Mandrake 8.0
- NetBSD NetBSD 1.5.2
- NetBSD NetBSD 1.5.1
- NetBSD NetBSD 1.5
- NetBSD NetBSD 1.4.3
- OpenBSD OpenBSD 2.9
- OpenBSD OpenBSD 2.8
- OpenBSD OpenBSD 2.7
- OpenBSD OpenBSD 3.0
- RedHat Linux 7.2 ia64
- RedHat Linux 7.2 i686
- RedHat Linux 7.2 i586
- RedHat Linux 7.2 i386
- RedHat Linux 7.2 athlon
- RedHat Linux 7.2 alpha
- RedHat Linux 7.1 ia64
- RedHat Linux 7.1 i686
- RedHat Linux 7.1 i586
- RedHat Linux 7.1 i386
- RedHat Linux 7.1 alphaev6
- RedHat Linux 7.1 alpha
- RedHat Linux 7.0 alphaev6
- RedHat Linux 7.0 sparc
- RedHat Linux 7.0 i686
- RedHat Linux 7.0 i386
- RedHat Linux 7.0 alpha
- RedHat Linux 6.2 sparcv9
- RedHat Linux 6.2 sparc
- RedHat Linux 6.2 i386
- RedHat Linux 6.2 alpha
- S.u.S.E. Linux 7.3 sparc
- S.u.S.E. Linux 7.3 ppc
- S.u.S.E. Linux 7.3 i386
- S.u.S.E. Linux 7.2 i386
- S.u.S.E. Linux 7.1 x86
- S.u.S.E. Linux 7.1 sparc
- S.u.S.E. Linux 7.1 ppc
- S.u.S.E. Linux 7.1 alpha
- S.u.S.E. Linux 7.0 sparc
- S.u.S.E. Linux 7.0 ppc
- S.u.S.E. Linux 7.0 i386
- S.u.S.E. Linux 7.0 alpha
- S.u.S.E. Linux 6.4 ppc
- S.u.S.E. Linux 6.4 alpha
- S.u.S.E. Linux 6.4
- Sun Solaris 2.5.1 _x86
- Sun Solaris 2.5.1
- Sun Solaris 8_x86
- Sun Solaris 8_sparc
- Sun Solaris 7.0_x86
- Sun Solaris 7.0
- Sun Solaris 2.6_x86
- Sun Solaris 2.6
PureFTPd PureFTPd 1.0.4
- Caldera OpenLinux Server 3.1
- Compaq Tru64 5.1 a
- Compaq Tru64 5.1
- Compaq Tru64 5.0 f
- Compaq Tru64 5.0 a
- Compaq Tru64 5.0
- Debian Linux 2.2 sparc
- Debian Linux 2.2 powerpc
- Debian Linux 2.2 IA-32
- Debian Linux 2.2 arm
- Debian Linux 2.2 alpha
- Debian Linux 2.2 68k
- FreeBSD FreeBSD 4.4
- FreeBSD FreeBSD 4.3
- Mandriva Linux Mandrake 8.1
- Mandriva Linux Mandrake 8.0 ppc
- Mandriva Linux Mandrake 8.0
- NetBSD NetBSD 1.5.2
- NetBSD NetBSD 1.5.1
- NetBSD NetBSD 1.5
- NetBSD NetBSD 1.4.3
- OpenBSD OpenBSD 2.9
- OpenBSD OpenBSD 2.8
- OpenBSD OpenBSD 2.7
- OpenBSD OpenBSD 3.0
- RedHat Linux 7.2 ia64
- RedHat Linux 7.2 i686
- RedHat Linux 7.2 i586
- RedHat Linux 7.2 i386
- RedHat Linux 7.2 athlon
- RedHat Linux 7.2 alpha
- RedHat Linux 7.1 ia64
- RedHat Linux 7.1 i686
- RedHat Linux 7.1 i586
- RedHat Linux 7.1 i386
- RedHat Linux 7.1 alphaev6
- RedHat Linux 7.1 alpha
- RedHat Linux 7.0 alphaev6
- RedHat Linux 7.0 sparc
- RedHat Linux 7.0 i686
- RedHat Linux 7.0 i386
- RedHat Linux 7.0 alpha
- RedHat Linux 6.2 sparcv9
- RedHat Linux 6.2 sparc
- RedHat Linux 6.2 i386
- RedHat Linux 6.2 alpha
- S.u.S.E. Linux 7.3 sparc
- S.u.S.E. Linux 7.3 ppc
- S.u.S.E. Linux 7.3 i386
- S.u.S.E. Linux 7.2 i386
- S.u.S.E. Linux 7.1 x86
- S.u.S.E. Linux 7.1 sparc
- S.u.S.E. Linux 7.1 ppc
- S.u.S.E. Linux 7.1 alpha
- S.u.S.E. Linux 7.0 sparc
- S.u.S.E. Linux 7.0 ppc
- S.u.S.E. Linux 7.0 i386
- S.u.S.E. Linux 7.0 alpha
- S.u.S.E. Linux 6.4 ppc
- S.u.S.E. Linux 6.4 alpha
- S.u.S.E. Linux 6.4
- Sun Solaris 2.5.1 _x86
- Sun Solaris 2.5.1
- Sun Solaris 8_x86
- Sun Solaris 8_sparc
- Sun Solaris 7.0_x86
- Sun Solaris 7.0
- Sun Solaris 2.6_x86
- Sun Solaris 2.6
PureFTPd PureFTPd 1.0.3
- Caldera OpenLinux Server 3.1
- Compaq Tru64 5.1 a
- Compaq Tru64 5.1
- Compaq Tru64 5.0 f
- Compaq Tru64 5.0 a
- Compaq Tru64 5.0
- Debian Linux 2.2 sparc
- Debian Linux 2.2 powerpc
- Debian Linux 2.2 IA-32
- Debian Linux 2.2 arm
- Debian Linux 2.2 alpha
- Debian Linux 2.2 68k
- FreeBSD FreeBSD 4.4
- FreeBSD FreeBSD 4.3
- Mandriva Linux Mandrake 8.1
- Mandriva Linux Mandrake 8.0 ppc
- Mandriva Linux Mandrake 8.0
- NetBSD NetBSD 1.5.2
- NetBSD NetBSD 1.5.1
- NetBSD NetBSD 1.5
- NetBSD NetBSD 1.4.3
- OpenBSD OpenBSD 2.9
- OpenBSD OpenBSD 2.8
- OpenBSD OpenBSD 2.7
- OpenBSD OpenBSD 3.0
- RedHat Linux 7.2 ia64
- RedHat Linux 7.2 i686
- RedHat Linux 7.2 i586
- RedHat Linux 7.2 i386
- RedHat Linux 7.2 athlon
- RedHat Linux 7.2 alpha
- RedHat Linux 7.1 ia64
- RedHat Linux 7.1 i686
- RedHat Linux 7.1 i586
- RedHat Linux 7.1 i386
- RedHat Linux 7.1 alphaev6
- RedHat Linux 7.1 alpha
- RedHat Linux 7.0 alphaev6
- RedHat Linux 7.0 sparc
- RedHat Linux 7.0 i686
- RedHat Linux 7.0 i386
- RedHat Linux 7.0 alpha
- RedHat Linux 6.2 sparcv9
- RedHat Linux 6.2 sparc
- RedHat Linux 6.2 i386
- RedHat Linux 6.2 alpha
- S.u.S.E. Linux 7.3 sparc
- S.u.S.E. Linux 7.3 ppc
- S.u.S.E. Linux 7.3 i386
- S.u.S.E. Linux 7.2 i386
- S.u.S.E. Linux 7.1 x86
- S.u.S.E. Linux 7.1 sparc
- S.u.S.E. Linux 7.1 ppc
- S.u.S.E. Linux 7.1 alpha
- S.u.S.E. Linux 7.0 sparc
- S.u.S.E. Linux 7.0 ppc
- S.u.S.E. Linux 7.0 i386
- S.u.S.E. Linux 7.0 alpha
- S.u.S.E. Linux 6.4 ppc
- S.u.S.E. Linux 6.4 alpha
- S.u.S.E. Linux 6.4
- Sun Solaris 2.5.1 _x86
- Sun Solaris 2.5.1
- Sun Solaris 8_x86
- Sun Solaris 8_sparc
- Sun Solaris 7.0_x86
- Sun Solaris 7.0
- Sun Solaris 2.6_x86
- Sun Solaris 2.6
PureFTPd PureFTPd 1.0.2
- Caldera OpenLinux Server 3.1
- Compaq Tru64 5.1 a
- Compaq Tru64 5.1
- Compaq Tru64 5.0 f
- Compaq Tru64 5.0 a
- Compaq Tru64 5.0
- Debian Linux 2.2 sparc
- Debian Linux 2.2 powerpc
- Debian Linux 2.2 IA-32
- Debian Linux 2.2 arm
- Debian Linux 2.2 alpha
- Debian Linux 2.2 68k
- FreeBSD FreeBSD 4.4
- FreeBSD FreeBSD 4.3
- Mandriva Linux Mandrake 8.1
- Mandriva Linux Mandrake 8.0 ppc
- Mandriva Linux Mandrake 8.0
- NetBSD NetBSD 1.5.2
- NetBSD NetBSD 1.5.1
- NetBSD NetBSD 1.5
- NetBSD NetBSD 1.4.3
- OpenBSD OpenBSD 2.9
- OpenBSD OpenBSD 2.8
- OpenBSD OpenBSD 2.7
- OpenBSD OpenBSD 3.0
- RedHat Linux 7.2 ia64
- RedHat Linux 7.2 i686
- RedHat Linux 7.2 i586
- RedHat Linux 7.2 i386
- RedHat Linux 7.2 athlon
- RedHat Linux 7.2 alpha
- RedHat Linux 7.1 ia64
- RedHat Linux 7.1 i686
- RedHat Linux 7.1 i586
- RedHat Linux 7.1 i386
- RedHat Linux 7.1 alphaev6
- RedHat Linux 7.1 alpha
- RedHat Linux 7.0 alphaev6
- RedHat Linux 7.0 sparc
- RedHat Linux 7.0 i686
- RedHat Linux 7.0 i386
- RedHat Linux 7.0 alpha
- RedHat Linux 6.2 sparcv9
- RedHat Linux 6.2 sparc
- RedHat Linux 6.2 i386
- RedHat Linux 6.2 alpha
- S.u.S.E. Linux 7.3 sparc
- S.u.S.E. Linux 7.3 ppc
- S.u.S.E. Linux 7.3 i386
- S.u.S.E. Linux 7.2 i386
- S.u.S.E. Linux 7.1 x86
- S.u.S.E. Linux 7.1 sparc
- S.u.S.E. Linux 7.1 ppc
- S.u.S.E. Linux 7.1 alpha
- S.u.S.E. Linux 7.0 sparc
- S.u.S.E. Linux 7.0 ppc
- S.u.S.E. Linux 7.0 i386
- S.u.S.E. Linux 7.0 alpha
- S.u.S.E. Linux 6.4 ppc
- S.u.S.E. Linux 6.4 alpha
- S.u.S.E. Linux 6.4
- Sun Solaris 2.5.1 _x86
- Sun Solaris 2.5.1
- Sun Solaris 8_x86
- Sun Solaris 8_sparc
- Sun Solaris 7.0_x86
- Sun Solaris 7.0
- Sun Solaris 2.6_x86
- Sun Solaris 2.6
PureFTPd PureFTPd 1.0.1
- Caldera OpenLinux Server 3.1
- Compaq Tru64 5.1 a
- Compaq Tru64 5.1
- Compaq Tru64 5.0 f
- Compaq Tru64 5.0 a
- Compaq Tru64 5.0
- Debian Linux 2.2 sparc
- Debian Linux 2.2 powerpc
- Debian Linux 2.2 IA-32
- Debian Linux 2.2 arm
- Debian Linux 2.2 alpha
- Debian Linux 2.2 68k
- FreeBSD FreeBSD 4.4
- FreeBSD FreeBSD 4.3
- Mandriva Linux Mandrake 8.1
- Mandriva Linux Mandrake 8.0 ppc
- Mandriva Linux Mandrake 8.0
- NetBSD NetBSD 1.5.2
- NetBSD NetBSD 1.5.1
- NetBSD NetBSD 1.5
- NetBSD NetBSD 1.4.3
- OpenBSD OpenBSD 2.9
- OpenBSD OpenBSD 2.8
- OpenBSD OpenBSD 2.7
- OpenBSD OpenBSD 3.0
- RedHat Linux 7.2 ia64
- RedHat Linux 7.2 i686
- RedHat Linux 7.2 i586
- RedHat Linux 7.2 i386
- RedHat Linux 7.2 athlon
- RedHat Linux 7.2 alpha
- RedHat Linux 7.1 ia64
- RedHat Linux 7.1 i686
- RedHat Linux 7.1 i586
- RedHat Linux 7.1 i386
- RedHat Linux 7.1 alphaev6
- RedHat Linux 7.1 alpha
- RedHat Linux 7.0 alphaev6
- RedHat Linux 7.0 sparc
- RedHat Linux 7.0 i686
- RedHat Linux 7.0 i386
- RedHat Linux 7.0 alpha
- RedHat Linux 6.2 sparcv9
- RedHat Linux 6.2 sparc
- RedHat Linux 6.2 i386
- RedHat Linux 6.2 alpha
- S.u.S.E. Linux 7.3 sparc
- S.u.S.E. Linux 7.3 ppc
- S.u.S.E. Linux 7.3 i386
- S.u.S.E. Linux 7.2 i386
- S.u.S.E. Linux 7.1 x86
- S.u.S.E. Linux 7.1 sparc
- S.u.S.E. Linux 7.1 ppc
- S.u.S.E. Linux 7.1 alpha
- S.u.S.E. Linux 7.0 sparc
- S.u.S.E. Linux 7.0 ppc
- S.u.S.E. Linux 7.0 i386
- S.u.S.E. Linux 7.0 alpha
- S.u.S.E. Linux 6.4 ppc
- S.u.S.E. Linux 6.4 alpha
- S.u.S.E. Linux 6.4
- Sun Solaris 2.5.1 _x86
- Sun Solaris 2.5.1
- Sun Solaris 8_x86
- Sun Solaris 8_sparc
- Sun Solaris 7.0_x86
- Sun Solaris 7.0
- Sun Solaris 2.6_x86
- Sun Solaris 2.6
PureFTPd PureFTPd 1.0
- Caldera OpenLinux Server 3.1
- Compaq Tru64 5.1 a
- Compaq Tru64 5.1
- Compaq Tru64 5.0 f
- Compaq Tru64 5.0 a
- Compaq Tru64 5.0
- Debian Linux 2.2 sparc
- Debian Linux 2.2 powerpc
- Debian Linux 2.2 IA-32
- Debian Linux 2.2 arm
- Debian Linux 2.2 alpha
- Debian Linux 2.2 68k
- FreeBSD FreeBSD 4.4
- FreeBSD FreeBSD 4.3
- Mandriva Linux Mandrake 8.1
- Mandriva Linux Mandrake 8.0 ppc
- Mandriva Linux Mandrake 8.0
- NetBSD NetBSD 1.5.2
- NetBSD NetBSD 1.5.1
- NetBSD NetBSD 1.5
- NetBSD NetBSD 1.4.3
- OpenBSD OpenBSD 2.9
- OpenBSD OpenBSD 2.8
- OpenBSD OpenBSD 2.7
- OpenBSD OpenBSD 3.0
- RedHat Linux 7.2 ia64
- RedHat Linux 7.2 i686
- RedHat Linux 7.2 i586
- RedHat Linux 7.2 i386
- RedHat Linux 7.2 athlon
- RedHat Linux 7.2 alpha
- RedHat Linux 7.1 ia64
- RedHat Linux 7.1 i686
- RedHat Linux 7.1 i586
- RedHat Linux 7.1 i386
- RedHat Linux 7.1 alphaev6
- RedHat Linux 7.1 alpha
- RedHat Linux 7.0 alphaev6
- RedHat Linux 7.0 sparc
- RedHat Linux 7.0 i686
- RedHat Linux 7.0 i386
- RedHat Linux 7.0 alpha
- RedHat Linux 6.2 sparcv9
- RedHat Linux 6.2 sparc
- RedHat Linux 6.2 i386
- RedHat Linux 6.2 alpha
- S.u.S.E. Linux 7.3 sparc
- S.u.S.E. Linux 7.3 ppc
- S.u.S.E. Linux 7.3 i386
- S.u.S.E. Linux 7.2 i386
- S.u.S.E. Linux 7.1 x86
- S.u.S.E. Linux 7.1 sparc
- S.u.S.E. Linux 7.1 ppc
- S.u.S.E. Linux 7.1 alpha
- S.u.S.E. Linux 7.0 sparc
- S.u.S.E. Linux 7.0 ppc
- S.u.S.E. Linux 7.0 i386
- S.u.S.E. Linux 7.0 alpha
- S.u.S.E. Linux 6.4 ppc
- S.u.S.E. Linux 6.4 alpha
- S.u.S.E. Linux 6.4
- Sun Solaris 2.5.1 _x86
- Sun Solaris 2.5.1
- Sun Solaris 8_x86
- Sun Solaris 8_sparc
- Sun Solaris 7.0_x86
- Sun Solaris 7.0
- Sun Solaris 2.6_x86
- Sun Solaris 2.6
PureFTPd PureFTPd 0.96
Not Vulnerable: PureFTPd PureFTPd 1.0.19

Discussion

PureFTPd Accept_Client Remote Denial of Service Vulnerability

PureFTPd is reported prone to a remote undisclosed denial of service vulnerability. The vulnerability is reported to exist due to a bug in the accept_client function used to setup new connections. It is reported that when the maximum number of connections is reached an attacker may be able to deny service to the affected daemon.

It is reported that all versions of cPanel are also affected by this issue because cPanel ships with PureFTPd 1.0.12.

Exploit / POC

PureFTPd Accept_Client Remote Denial of Service Vulnerability

Currently we are not aware of any exploits for this issue. If you feel we are in error or are aware of more recent information, please mail us at: [email protected] <mailto:[email protected]>.

Solution / Fix

PureFTPd Accept_Client Remote Denial of Service Vulnerability

Solution:
The vendor has released pure-ftpd version 1.0.19 to address this issue.

Gentoo has released an advisory (GLSA 200407-04) and an updated eBuild to address this issue. Gentoo users are advised to commit the following commands as a superuser in order to apply the updated eBuild:
emerge sync
emerge -pv ">=net-ftp/pure-ftpd-1.0.18-r1"
emerge ">=net-ftp/pure-ftpd-1.0.18-r1"


PureFTPd Pure-FTPd 0.96

PureFTPd Pure-FTPd 1.0

PureFTPd Pure-FTPd 1.0.1

PureFTPd Pure-FTPd 1.0.11

PureFTPd Pure-FTPd 1.0.12

PureFTPd Pure-FTPd 1.0.13 a

PureFTPd Pure-FTPd 1.0.14

PureFTPd Pure-FTPd 1.0.15

PureFTPd Pure-FTPd 1.0.16 b

PureFTPd Pure-FTPd 1.0.16 a

PureFTPd Pure-FTPd 1.0.16 c

PureFTPd Pure-FTPd 1.0.16

PureFTPd Pure-FTPd 1.0.17 a

PureFTPd Pure-FTPd 1.0.2

PureFTPd Pure-FTPd 1.0.3

PureFTPd Pure-FTPd 1.0.4

PureFTPd Pure-FTPd 1.0.5

References

PureFTPd Accept_Client Remote Denial of Service Vulnerability

References:

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