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TUGZip Archive Extraction Directory traversal
TUGZip is a powerful award-winning freeware archiving
utility for WindowsA® that provides support for a wide
range of compressed, encoded and disc-image files, as
well as many other very powerful features; all through
an easy to use application interface and Windows
Explorer integration.
Supports ZIP, 7-ZIP, A, ACE, ARC, ARJ, BH, BZ2, CAB,
CPIO, DEB, GCA, GZ, IMP, JAR, LHA (LZH), LIB, RAR,
RPM, SQX, TAR, TGZ, TBZ, TAZ, YZ1 and ZOO archives.
Create 7-ZIP, BH, BZ2, CAB, JAR, LHA (LZH), SQX, TAR,
TGZ, YZ1 and ZIP archives.
http://www.tugzip.com
Credit:
The information has been provided by Hamid Ebadi and
Claus Berghammer
( Hamid Network Security Team) : admin[at]hamid[.]ir
Claus Berghammer : office(at)cb-computerservice(dot)at
The original article can be found at :
http://hamid.ir/security
Vulnerable Systems:
TUGZip 3.4.0.0 , TUGZip 3.3.0.0 , TUGZip 3.1.0.2
Detail :
The vulnerability is caused due to an input validation
error when extracting files compressed with GZ (*.gz),
JAR(*.jar), RAR(*.rar), ZIP(*.zip) .
This makes it possible to have files extracted to
arbitrary locations outside the specified directory
using the "../" directory traversal sequence.
Do not extract untrusted RAR and JAR and ZIP and GZ
files.
To reduce the risk, never extract files as an
administrative user.
harmless exploit:
use HEAP [Hamid Evil Archive Pack]
you can download it from Hamid Network Security Team :
http://www.hamid.ir/tools/
want to know more ?
http://www.hamid.ir/paper
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