KTorrent Remote Directory Traversal Variant Vulnerability

BID:23745

Info

KTorrent Remote Directory Traversal Variant Vulnerability

Bugtraq ID: 23745
Class: Input Validation Error
CVE: CVE-2007-1799
Remote: Yes
Local: No
Published: May 01 2007 12:00AM
Updated: Oct 25 2007 02:56PM
Credit: Bryan Burns of Juniper Networks is credited with the discovery of this vulnerability.
Vulnerable: Ubuntu Ubuntu Linux 7.04 sparc
Ubuntu Ubuntu Linux 7.04 powerpc
Ubuntu Ubuntu Linux 7.04 i386
Ubuntu Ubuntu Linux 7.04 amd64
Ubuntu Ubuntu Linux 6.10 sparc
Ubuntu Ubuntu Linux 6.10 powerpc
Ubuntu Ubuntu Linux 6.10 i386
Ubuntu Ubuntu Linux 6.10 amd64
Ubuntu Ubuntu Linux 6.06 LTS sparc
Ubuntu Ubuntu Linux 6.06 LTS powerpc
Ubuntu Ubuntu Linux 6.06 LTS i386
Ubuntu Ubuntu Linux 6.06 LTS amd64
SuSE SUSE Linux Enterprise Server SDK 9
SuSE SUSE Linux Enterprise Server 9 SP3
SuSE SUSE Linux Enterprise Server 10
SuSE SUSE Linux Enterprise SDK 9
SuSE SUSE Linux Enterprise SDK 10
SuSE SUSE Linux Enterprise SDK 10
SuSE Suse Linux Enterprise Desktop 10
SuSE Linux Openexchange Server
SuSE Linux Enterprise Server 9-SP3
+ Linux kernel 2.6.5
SuSE Linux Enterprise Server 9
SuSE Linux Enterprise Server 10
+ Linux kernel 2.6.5
SuSE Linux Desktop 1.0
SuSE Linux Desktop 10
SuSE Linux 10.1 x86-64
SuSE Linux 10.1 x86
SuSE Linux 10.1 ppc
SuSE Linux 10.0 x86-64
SuSE Linux 10.0 x86
SuSE Linux 10.0 ppc
S.u.S.E. UnitedLinux 1.0
S.u.S.E. SuSE Linux School Server for i386
S.u.S.E. SUSE LINUX Retail Solution 8.0
S.u.S.E. SuSE Linux Openexchange Server 4.0
S.u.S.E. SuSE Linux Open-Xchange 4.1
S.u.S.E. SUSE CORE 9 for x86
S.u.S.E. openSUSE 10.2
S.u.S.E. Linux Professional 10.0 OSS
S.u.S.E. Linux Professional 10.0
S.u.S.E. Linux Professional 10.2 X86 64
S.u.S.E. Linux Professional 10.2
S.u.S.E. Linux Professional 10.1
S.u.S.E. Linux Personal 10.0 OSS
S.u.S.E. Linux Personal 9.0 x86_64
S.u.S.E. Linux Personal 9.0
S.u.S.E. Linux Personal 10.2
S.u.S.E. Linux Personal 10.1
S.u.S.E. Linux Office Server
S.u.S.E. Linux Enterprise Server for S/390 9.0
S.u.S.E. Linux Enterprise Server for S/390
Pardus Linux 2007.1
Mandriva Linux Mandrake 2007.1 x86_64
Mandriva Linux Mandrake 2007.1
KTorrent KTorrent 2.1.2
KTorrent KTorrent 2.1.1
KTorrent KTorrent 2.0.3
KTorrent KTorrent 1.2
Gentoo Linux
Debian Linux 4.0 sparc
Debian Linux 4.0 s/390
Debian Linux 4.0 powerpc
Debian Linux 4.0 mipsel
Debian Linux 4.0 mips
Debian Linux 4.0 m68k
Debian Linux 4.0 ia-64
Debian Linux 4.0 ia-32
Debian Linux 4.0 hppa
Debian Linux 4.0 arm
Debian Linux 4.0 amd64
Debian Linux 4.0 alpha
Debian Linux 4.0
Not Vulnerable: KTorrent KTorrent 2.1.3

Discussion

KTorrent Remote Directory Traversal Variant Vulnerability

KTorrent is prone to a remote directory-traversal vulnerability.

An attacker can exploit this issue by using modified '..' sequences to overwrite arbitrary files on a victim user's system.

This issue is due to an incomplete vendor fix of the issue discussed in BID 22930.

Versions of KTorrent prior to 2.1.3 are vulnerable to this issue.

Exploit / POC

KTorrent Remote Directory Traversal Variant Vulnerability

To exploit this issue, an attacker must entice an unsuspecting victim to open a malicious torrent file with the affected application.

Solution / Fix

KTorrent Remote Directory Traversal Variant Vulnerability

Solution:
The vendor released KTorrent 2.1.3 to address this issue. Please see the references for more information.


KTorrent KTorrent 1.2

KTorrent KTorrent 2.0.3

KTorrent KTorrent 2.1.1

KTorrent KTorrent 2.1.2

References

KTorrent Remote Directory Traversal Variant Vulnerability

References:
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