(Slackware Issues Fix) LibTIFF Buffer Overflows May Let Remote Users Execute Arbitrary Code
|
|
SecurityTracker Alert ID: 1012019 |
|
SecurityTracker URL: http://securitytracker.com/id/1012019
|
|
CVE Reference:
CAN-2004-0803
(Links to External Site)
|
Date: Nov 1 2004
|
Impact:
Execution of arbitrary code via network, User access via network
|
Fix Available: Yes Vendor Confirmed: Yes
|
Version(s): 3.6.1
|
Description:
Some buffer overflow vulnerabilities were reported in LibTIFF. A remote user may be able to execute arbitrary code on the target user's system.
Gentoo reported that a remote user may be able to create a specially crafted image file that, when processed by the library, will execute arbitrary code with the privileges of the target user.
Chris Evans is credited with discovering these flaws.
The flaws reside in the RLE decoding routines in tif_next.c, tif_thunder.c, and potentially tif_luv.c.
Some demonstration exploit TIFFs are available at:
http://scary.beasts.org/misc/bad_next.tiff
http://scary.beasts.org/misc/bad_thunder.tiff
The original advisory is available at:
http://scary.beasts.org/security/CESA-2004-006.txt
|
Impact:
A remote user can create TIFF files that, when loaded by the target library, will execute arbitrary code.
|
Solution:
Slackware has released a fix.
Updated package for Slackware 8.1:
ftp://ftp.slackware.com/pub/slackware/slackware-8.1/patches/packages/libtiff-3.5.7-i386-3.tgz
Updated package for Slackware 9.0:
ftp://ftp.slackware.com/pub/slackware/slackware-9.0/patches/packages/libtiff-3.5.7-i386-4.tgz
Updated package for Slackware 9.1:
ftp://ftp.slackware.com/pub/slackware/slackware-9.1/patches/packages/libtiff-3.5.7-i486-4.tgz
Updated package for Slackware 10.0:
ftp://ftp.slackware.com/pub/slackware/slackware-10.0/patches/packages/libtiff-3.7.0-i486-1.tgz
Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/l/libtiff-3.7.0-i486-1.tgz
The MD5 signatures are:
Slackware 8.1 package:
13c265d491293ab098ff32f204813ba6 libtiff-3.5.7-i386-3.tgz
Slackware 9.0 package:
04256c3f750ef84e620ef5ac96a3d5ff libtiff-3.5.7-i386-4.tgz
Slackware 9.1 package:
0c767736c44faa6c4e57dbe18b03046e libtiff-3.5.7-i486-4.tgz
Slackware 10.0 package:
44da0e434b86e744e8845b845705e1b7 libtiff-3.7.0-i486-1.tgz
Slackware -current package:
f02243e50f71fccb1b4ec9827e326056 libtiff-3.7.0-i486-1.tgz
|
Vendor URL: www.libtiff.org/ (Links to External Site)
|
Cause:
Boundary error
|
Underlying OS:
Linux (Slackware)
|
|
Message History:
This archive entry is a follow-up to the message listed below.
|
Source Message Contents
|
Date: Mon, 1 Nov 2004 00:00:50 -0800 (PST)
Subject: [slackware-security] libtiff (SSA:2004-305-02)
|
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
[slackware-security] libtiff (SSA:2004-305-02)
New libtiff packages are available for Slackware 8.1, 9.0, 9.1,
10.1, and -current to fix security issues that could lead to
application crashes, or possibly execution of arbitrary code.
More details about this issue may be found in the Common
Vulnerabilities and Exposures (CVE) database:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0803
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0804
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0886
Here are the details from the Slackware 10.0 ChangeLog:
+--------------------------+
patches/packages/libtiff-3.7.0-i486-1.tgz: Upgraded to libtiff-3.7.0.
This fixes several bugs that could lead to crashes, or could possibly allow
arbitrary code to be executed. For more details, see:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0803
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0804
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0886
(* Security fix *)
+--------------------------+
Where to find the new packages:
+-----------------------------+
Updated package for Slackware 8.1:
ftp://ftp.slackware.com/pub/slackware/slackware-8.1/patches/packages/libtiff-3.5.7-i386-3.tgz
Updated package for Slackware 9.0:
ftp://ftp.slackware.com/pub/slackware/slackware-9.0/patches/packages/libtiff-3.5.7-i386-4.tgz
Updated package for Slackware 9.1:
ftp://ftp.slackware.com/pub/slackware/slackware-9.1/patches/packages/libtiff-3.5.7-i486-4.tgz
Updated package for Slackware 10.0:
ftp://ftp.slackware.com/pub/slackware/slackware-10.0/patches/packages/libtiff-3.7.0-i486-1.tgz
Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/l/libtiff-3.7.0-i486-1.tgz
MD5 signatures:
+-------------+
Slackware 8.1 package:
13c265d491293ab098ff32f204813ba6 libtiff-3.5.7-i386-3.tgz
Slackware 9.0 package:
04256c3f750ef84e620ef5ac96a3d5ff libtiff-3.5.7-i386-4.tgz
Slackware 9.1 package:
0c767736c44faa6c4e57dbe18b03046e libtiff-3.5.7-i486-4.tgz
Slackware 10.0 package:
44da0e434b86e744e8845b845705e1b7 libtiff-3.7.0-i486-1.tgz
Slackware -current package:
f02243e50f71fccb1b4ec9827e326056 libtiff-3.7.0-i486-1.tgz
Installation instructions:
+------------------------+
Upgrade the package as root:
# upgradepkg libtiff-3.7.0-i486-1.tgz
+-----+
Slackware Linux Security Team
http://slackware.com/gpg-key
security@slackware.com
+------------------------------------------------------------------------+
| To leave the slackware-security mailing list: |
+------------------------------------------------------------------------+
| Send an email to majordomo@slackware.com with this text in the body of |
| the email message: |
| |
| unsubscribe slackware-security |
| |
| You will get a confirmation message back containing instructions to |
| complete the process. Please do not reply to this email address. |
+------------------------------------------------------------------------+
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.2.6 (GNU/Linux)
iD8DBQFBhcMFakRjwEAQIjMRAsvfAJ4yRrEm1MnBtdC6Chbf/PbiRXckvwCfRK81
1pkBLetVSOYA4ZovyL4sw2U=
=hgR2
-----END PGP SIGNATURE-----
|
|
