(Mandrake Issues Fix) Zlib Error Handling Bug in inflate() and inflateBack() Lets Remote Users Deny Service
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SecurityTracker Alert ID: 1011190 |
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SecurityTracker URL: http://securitytracker.com/id/1011190
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CVE Reference:
CAN-2004-0797
(Links to External Site)
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Date: Sep 8 2004
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Impact:
Denial of service via local system, Denial of service via network
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): 1.2 - 1.2.1
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Description:
A vulnerability was reported in zlib. A remote user can cause denial of service conditions.
Johan Thelmen reported that a specially crafted file can cause a segmentation fault in zlib.
It is reported that the inflate() and inflateBack() functions do not properly handle errors.
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Impact:
A user can create a file that when processed by zlib, will cause a segmentation fault. The specific impact depends on the application using zlib.
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Solution:
Mandrake has released a fix.
Mandrakelinux 10.0:
a9299193c467df186f5ec74438b7f39e 10.0/RPMS/zlib1-1.2.1-2.1.100mdk.i586.rpm
77e1313ce85f26c83f6b994606dceb5a 10.0/RPMS/zlib1-devel-1.2.1-2.1.100mdk.i586.rpm
bfc9a9419f3c7daf4a226383d6be6ea6 10.0/SRPMS/zlib-1.2.1-2.1.100mdk.src.rpm
Mandrakelinux 10.0/AMD64:
954d58fcaa1576278f8c71de40361d72 amd64/10.0/RPMS/zlib1-1.2.1-2.1.100mdk.amd64.rpm
976edb0aa85913b28ef38b7d5efd2fbd amd64/10.0/RPMS/zlib1-devel-1.2.1-2.1.100mdk.amd64.rpm
bfc9a9419f3c7daf4a226383d6be6ea6 amd64/10.0/SRPMS/zlib-1.2.1-2.1.100mdk.src.rpm
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Vendor URL: www.gzip.org/zlib/ (Links to External Site)
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Cause:
Exception handling error
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Underlying OS:
Linux (Mandriva/Mandrake)
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Message History:
This archive entry is a follow-up to the message listed below.
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Source Message Contents
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Date: 8 Sep 2004 01:42:53 -0000
Subject: [Security Announce] MDKSA-2004:090 - Updated zlib packages fix
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This is a multi-part message in MIME format...
------------=_1094608842-12666-3351
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
_______________________________________________________________________
Mandrakelinux Security Update Advisory
_______________________________________________________________________
Package name: zlib
Advisory ID: MDKSA-2004:090
Date: September 7th, 2004
Affected versions: 10.0
______________________________________________________________________
Problem Description:
Due to a Debian bug report, a Denial of Service vulnerability was
discovered in the zlib compression library versions 1.2.x, in the
inflate() and inflateBack() functions. Older versions of zlib are
not affected.
Once the updated packages have been installed, all programs linked
against zlib must be restarted for the new packages to take effect.
_______________________________________________________________________
References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0797
______________________________________________________________________
Updated Packages:
Mandrakelinux 10.0:
a9299193c467df186f5ec74438b7f39e 10.0/RPMS/zlib1-1.2.1-2.1.100mdk.i586.rpm
77e1313ce85f26c83f6b994606dceb5a 10.0/RPMS/zlib1-devel-1.2.1-2.1.100mdk.i586.rpm
bfc9a9419f3c7daf4a226383d6be6ea6 10.0/SRPMS/zlib-1.2.1-2.1.100mdk.src.rpm
Mandrakelinux 10.0/AMD64:
954d58fcaa1576278f8c71de40361d72 amd64/10.0/RPMS/zlib1-1.2.1-2.1.100mdk.amd64.rpm
976edb0aa85913b28ef38b7d5efd2fbd amd64/10.0/RPMS/zlib1-devel-1.2.1-2.1.100mdk.amd64.rpm
bfc9a9419f3c7daf4a226383d6be6ea6 amd64/10.0/SRPMS/zlib-1.2.1-2.1.100mdk.src.rpm
_______________________________________________________________________
To upgrade automatically use MandrakeUpdate or urpmi. The verification
of md5 checksums and GPG signatures is performed automatically for you.
All packages are signed by Mandrakesoft for security. You can obtain
the GPG public key of the Mandrakelinux Security Team by executing:
gpg --recv-keys --keyserver pgp.mit.edu 0x22458A98
You can view other update advisories for Mandrakelinux at:
http://www.mandrakesoft.com/security/advisories
If you want to report vulnerabilities, please contact
security_linux-mandrake.com
Type Bits/KeyID Date User ID
pub 1024D/22458A98 2000-07-10 Linux Mandrake Security Team
<security linux-mandrake.com>
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____________________________________________________
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