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Category:   Application (Multimedia)  >   libpng Vendors:   libpng.sourceforge.net
(Mandrake Issues Fix) libpng Memory Access Violation When Creating Error Messages May Cause Denial of Service Conditions
SecurityTracker Alert ID:  1009992
SecurityTracker URL:  http://securitytracker.com/id/1009992
CVE Reference:   CAN-2004-0421   (Links to External Site)
Date:  Apr 30 2004
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in libpng. A remote user can create a PNG image that, when processed by libpng, may cause denial of service conditions.

Mandrake reported that when libpng creates an error message, libpng may access invalid memory locations. As a result, an application using libpng may crash or core dump when processing certain PNG images, the report said.

Steve Grubb is credited with discovering this flaw.

Impact:   A remote user can create a malformed PNG image that, when processed by an application using libpng, may cause the application to crash. The specific impact depends on the application using libpng.
Solution:   Mandrake has released a fix.

Mandrakelinux 10.0:
cd79ecd70c40375345801519258ca6ac 10.0/RPMS/libpng3-1.2.5-10.2.100mdk.i586.rpm
eec3a44634bd7790578ab949adfb49f8 10.0/RPMS/libpng3-devel-1.2.5-10.2.100mdk.i586.rpm
8b22f0a53e1795554cc6617e5724c637 10.0/RPMS/libpng3-static-devel-1.2.5-10.2.100mdk.i586.rpm
cef4aed9dbaf8ddc33e05a9873d7149f 10.0/SRPMS/libpng-1.2.5-10.2.100mdk.src.rpm

Corporate Server 2.1:
81c1efb514eac93ae744f0d1e6200356 corporate/2.1/RPMS/libpng3-1.2.4-3.4.C21mdk.i586.rpm
3093c71f8cc969db86653410bf7e82a7 corporate/2.1/RPMS/libpng3-devel-1.2.4-3.4.C21mdk.i586.rpm
06a910dec94490b03b06e55a21c1e0ba corporate/2.1/RPMS/libpng3-static-devel-1.2.4-3.4.C21mdk.i586.rpm
05b83852ee7c8494ed1881e7b65e6e5d corporate/2.1/SRPMS/libpng-1.2.4-3.4.C21mdk.src.rpm

Corporate Server 2.1/x86_64:
c7148560c578a79e5c052f48a671740f x86_64/corporate/2.1/RPMS/libpng3-1.2.4-3.4.C21mdk.x86_64.rpm
28f69aee1b8eecc044bc12a4f1fa4bed x86_64/corporate/2.1/RPMS/libpng3-devel-1.2.4-3.4.C21mdk.x86_64.rpm
b35528af80fd6f7ac6e7dfaca6f90d80 x86_64/corporate/2.1/RPMS/libpng3-static-devel-1.2.4-3.4.C21mdk.x86_64.rpm
05b83852ee7c8494ed1881e7b65e6e5d x86_64/corporate/2.1/SRPMS/libpng-1.2.4-3.4.C21mdk.src.rpm

Mandrakelinux 9.1:
b25ca915287cbae609bada0924be42db 9.1/RPMS/libpng3-1.2.5-2.2.91mdk.i586.rpm
ac2eb266589cf95cc7aa90101bd4cb69 9.1/RPMS/libpng3-devel-1.2.5-2.2.91mdk.i586.rpm
44b9386d5af38103f92a7e797a424976 9.1/RPMS/libpng3-static-devel-1.2.5-2.2.91mdk.i586.rpm
252be5441b732f721a83c35372cb28f2 9.1/SRPMS/libpng-1.2.5-2.2.91mdk.src.rpm

Mandrakelinux 9.1/PPC:
9504ac0fb4cb79aaaa7e966befb27128 ppc/9.1/RPMS/libpng3-1.2.5-2.2.91mdk.ppc.rpm
13d8405b95b98dc67a4856de52c15538 ppc/9.1/RPMS/libpng3-devel-1.2.5-2.2.91mdk.ppc.rpm
1e1efd0054b4379c283bb63db1889cd4 ppc/9.1/RPMS/libpng3-static-devel-1.2.5-2.2.91mdk.ppc.rpm
252be5441b732f721a83c35372cb28f2 ppc/9.1/SRPMS/libpng-1.2.5-2.2.91mdk.src.rpm

Mandrakelinux 9.2:
6d1f06bc4fc1ec9ac4e835b4cf26dffc 9.2/RPMS/libpng3-1.2.5-7.2.92mdk.i586.rpm
38b52e2b181e2bda7ffe31ddd9a9ebbb 9.2/RPMS/libpng3-devel-1.2.5-7.2.92mdk.i586.rpm
d2a0192b485148063a9887210b4cfdc9 9.2/RPMS/libpng3-static-devel-1.2.5-7.2.92mdk.i586.rpm
76f3a8e52e99f0a4e67cd81e9a7bc26e 9.2/SRPMS/libpng-1.2.5-7.2.92mdk.src.rpm

Mandrakelinux 9.2/AMD64:
baf77f8a9a24f9bb2e85cd2047af04c3 amd64/9.2/RPMS/lib64png3-1.2.5-7.2.92mdk.amd64.rpm
13e3cb64b02e70adb95c86685d467a4f amd64/9.2/RPMS/lib64png3-devel-1.2.5-7.2.92mdk.amd64.rpm
60c0a7ffe15da888ba43f10adbac6c49 amd64/9.2/RPMS/lib64png3-static-devel-1.2.5-7.2.92mdk.amd64.rpm
76f3a8e52e99f0a4e67cd81e9a7bc26e amd64/9.2/SRPMS/libpng-1.2.5-7.2.92mdk.src.rpm

Multi Network Firewall 8.2:
8ae6b3e585df1206b34b22b5bdf562c6 mnf8.2/RPMS/libpng3-1.2.4-3.4.M82mdk.i586.rpm
4316789315c02c07e649f6c6feff9e45 mnf8.2/SRPMS/libpng-1.2.4-3.4.M82mdk.src.rpm

Vendor URL:  www.libpng.org/pub/png/libpng.html (Links to External Site)
Cause:   Access control error, Resource error
Underlying OS:   Linux (Mandriva/Mandrake)

Message History:   This archive entry is a follow-up to the message listed below.
Apr 30 2004 libpng Memory Access Violation When Creating Error Messages May Cause Denial of Service Conditions



 Source Message Contents

Date:  30 Apr 2004 00:08:05 -0000
Subject:  MDKSA-2004:040 - Updated libpng packages fix vulnerability


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

 _______________________________________________________________________

                 Mandrakelinux Security Update Advisory
 _______________________________________________________________________

 Package name:           libpng
 Advisory ID:            MDKSA-2004:040
 Date:                   April 29th, 2004

 Affected versions:	 10.0, 9.1, 9.2, Corporate Server 2.1,
			 Multi Network Firewall 8.2
 ______________________________________________________________________

 Problem Description:

 Steve Grubb discovered that libpng would access memory that is out of
 bounds when creating an error message.  The impact of this bug is not
 clear, but it could lead to a core dump in a program using libpng, or
 could result in a DoS (Denial of Service) condition in a daemon that
 uses libpng to process PNG imagaes.
 
 The updated packages are patched to correct the vulnerability.
 _______________________________________________________________________

 References:

  http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0421
 ______________________________________________________________________

 Updated Packages:
  
 Mandrakelinux 10.0:
 cd79ecd70c40375345801519258ca6ac  10.0/RPMS/libpng3-1.2.5-10.2.100mdk.i586.rpm
 eec3a44634bd7790578ab949adfb49f8  10.0/RPMS/libpng3-devel-1.2.5-10.2.100mdk.i586.rpm
 8b22f0a53e1795554cc6617e5724c637  10.0/RPMS/libpng3-static-devel-1.2.5-10.2.100mdk.i586.rpm
 cef4aed9dbaf8ddc33e05a9873d7149f  10.0/SRPMS/libpng-1.2.5-10.2.100mdk.src.rpm

 Corporate Server 2.1:
 81c1efb514eac93ae744f0d1e6200356  corporate/2.1/RPMS/libpng3-1.2.4-3.4.C21mdk.i586.rpm
 3093c71f8cc969db86653410bf7e82a7  corporate/2.1/RPMS/libpng3-devel-1.2.4-3.4.C21mdk.i586.rpm
 06a910dec94490b03b06e55a21c1e0ba  corporate/2.1/RPMS/libpng3-static-devel-1.2.4-3.4.C21mdk.i586.rpm
 05b83852ee7c8494ed1881e7b65e6e5d  corporate/2.1/SRPMS/libpng-1.2.4-3.4.C21mdk.src.rpm

 Corporate Server 2.1/x86_64:
 c7148560c578a79e5c052f48a671740f  x86_64/corporate/2.1/RPMS/libpng3-1.2.4-3.4.C21mdk.x86_64.rpm
 28f69aee1b8eecc044bc12a4f1fa4bed  x86_64/corporate/2.1/RPMS/libpng3-devel-1.2.4-3.4.C21mdk.x86_64.rpm
 b35528af80fd6f7ac6e7dfaca6f90d80  x86_64/corporate/2.1/RPMS/libpng3-static-devel-1.2.4-3.4.C21mdk.x86_64.rpm
 05b83852ee7c8494ed1881e7b65e6e5d  x86_64/corporate/2.1/SRPMS/libpng-1.2.4-3.4.C21mdk.src.rpm

 Mandrakelinux 9.1:
 b25ca915287cbae609bada0924be42db  9.1/RPMS/libpng3-1.2.5-2.2.91mdk.i586.rpm
 ac2eb266589cf95cc7aa90101bd4cb69  9.1/RPMS/libpng3-devel-1.2.5-2.2.91mdk.i586.rpm
 44b9386d5af38103f92a7e797a424976  9.1/RPMS/libpng3-static-devel-1.2.5-2.2.91mdk.i586.rpm
 252be5441b732f721a83c35372cb28f2  9.1/SRPMS/libpng-1.2.5-2.2.91mdk.src.rpm

 Mandrakelinux 9.1/PPC:
 9504ac0fb4cb79aaaa7e966befb27128  ppc/9.1/RPMS/libpng3-1.2.5-2.2.91mdk.ppc.rpm
 13d8405b95b98dc67a4856de52c15538  ppc/9.1/RPMS/libpng3-devel-1.2.5-2.2.91mdk.ppc.rpm
 1e1efd0054b4379c283bb63db1889cd4  ppc/9.1/RPMS/libpng3-static-devel-1.2.5-2.2.91mdk.ppc.rpm
 252be5441b732f721a83c35372cb28f2  ppc/9.1/SRPMS/libpng-1.2.5-2.2.91mdk.src.rpm

 Mandrakelinux 9.2:
 6d1f06bc4fc1ec9ac4e835b4cf26dffc  9.2/RPMS/libpng3-1.2.5-7.2.92mdk.i586.rpm
 38b52e2b181e2bda7ffe31ddd9a9ebbb  9.2/RPMS/libpng3-devel-1.2.5-7.2.92mdk.i586.rpm
 d2a0192b485148063a9887210b4cfdc9  9.2/RPMS/libpng3-static-devel-1.2.5-7.2.92mdk.i586.rpm
 76f3a8e52e99f0a4e67cd81e9a7bc26e  9.2/SRPMS/libpng-1.2.5-7.2.92mdk.src.rpm

 Mandrakelinux 9.2/AMD64:
 baf77f8a9a24f9bb2e85cd2047af04c3  amd64/9.2/RPMS/lib64png3-1.2.5-7.2.92mdk.amd64.rpm
 13e3cb64b02e70adb95c86685d467a4f  amd64/9.2/RPMS/lib64png3-devel-1.2.5-7.2.92mdk.amd64.rpm
 60c0a7ffe15da888ba43f10adbac6c49  amd64/9.2/RPMS/lib64png3-static-devel-1.2.5-7.2.92mdk.amd64.rpm
 76f3a8e52e99f0a4e67cd81e9a7bc26e  amd64/9.2/SRPMS/libpng-1.2.5-7.2.92mdk.src.rpm

 Multi Network Firewall 8.2:
 8ae6b3e585df1206b34b22b5bdf562c6  mnf8.2/RPMS/libpng3-1.2.4-3.4.M82mdk.i586.rpm
 4316789315c02c07e649f6c6feff9e45  mnf8.2/SRPMS/libpng-1.2.4-3.4.M82mdk.src.rpm
 _______________________________________________________________________

 To upgrade automatically use MandrakeUpdate or urpmi.  The verification
 of md5 checksums and GPG signatures is performed automatically for you.

 A list of FTP mirrors can be obtained from:

  http://www.mandrakesecure.net/en/ftp.php

 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 www.mandrakesecure.net 0x22458A98

 Please be aware that sometimes it takes the mirrors a few hours to
 update.

 You can view other update advisories for Mandrakelinux at:

  http://www.mandrakesecure.net/en/advisories/

 Mandrakesoft has several security-related mailing list services that
 anyone can subscribe to.  Information on these lists can be obtained by
 visiting:

  http://www.mandrakesecure.net/en/mlist.php

 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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=k4V0
-----END PGP SIGNATURE-----

 
 


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