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Home » Hacking News » Mandrake MDKSA-2003:033: zlib buffer overflow

Mandrake MDKSA-2003:033: zlib buffer overflow

by Nikola Strahija on March 21st, 2003 Zlib library has a buffer overflow vulnerability which can be used by attackers to cause a denial of service or execution of arbitrary code.


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________________________________________________________________________

Mandrake Linux Security Update Advisory
________________________________________________________________________

Package name: zlib
Advisory ID: MDKSA-2003:033
Date: March 18th, 2003

Affected versions: 7.2, 8.0, 8.1, 8.2, 9.0, Corporate Server 2.1,
Multi Network Firewall 8.2,
Single Network Firewall 7.2
________________________________________________________________________

Problem Description:

Richard Kettlewell discovered a buffer overflow vulnerability in the
zlib library's gzprintf() function. This can be used by attackers
to cause a denial of service or possibly even the execution of
arbitrary code. Our thanks to the OpenPKG team for providing a patch
which adds the necessary configure script checks to always use the
secure vsnprintf(3) and snprintf(3) functions, and which additionally
adjusts the code to correctly take into account the return value of
vsnprintf(3) and snprintf(3).
________________________________________________________________________

References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0107
http://online.securityfocus.com/bid/6913
________________________________________________________________________

Updated Packages:

Corporate Server 2.1:
b14b8d5c57f8a25b9b87dda07d48d789 corporate/2.1/RPMS/zlib1-1.1.4-5.1mdk.i586.rpm
b60c2cb3c6ebd24d2c16861877191bcd corporate/2.1/RPMS/zlib1-devel-1.1.4-5.1mdk.i586.rpm
5c4b8b38ee0966768e92f91cf1f3c6a2 corporate/2.1/SRPMS/zlib-1.1.4-5.1mdk.src.rpm

Linux-Mandrake 7.2:
38a1becbada95846fafff3348b3924b6 7.2/RPMS/zlib-1.1.3-11.2mdk.i586.rpm
1731fe2370b22dce472175285c96af94 7.2/RPMS/zlib-devel-1.1.3-11.2mdk.i586.rpm
afdc6ebde0e1eb6bd89860e6702d47b9 7.2/SRPMS/zlib-1.1.3-11.2mdk.src.rpm

Mandrake Linux 8.0:
03cd8c27d5f9d116dda026f43c8d66ca 8.0/RPMS/zlib1-1.1.3-16.2mdk.i586.rpm
00eb0a915be3d3367442477b7cd1e2b3 8.0/RPMS/zlib1-devel-1.1.3-16.2mdk.i586.rpm
9a7d25694776824625b236c0c05e55f8 8.0/SRPMS/zlib-1.1.3-16.2mdk.src.rpm

Mandrake Linux 8.0/PPC:
86da70d0d8e3986fbe169faad824ce91 ppc/8.0/RPMS/zlib1-1.1.3-16.2mdk.ppc.rpm
12265e2c5a8ee2373e43a1f1ae2725dd ppc/8.0/RPMS/zlib1-devel-1.1.3-16.2mdk.ppc.rpm
9a7d25694776824625b236c0c05e55f8 ppc/8.0/SRPMS/zlib-1.1.3-16.2mdk.src.rpm

Mandrake Linux 8.1:
84b8e68293aa57d704de7b2eb519bd98 8.1/RPMS/zlib1-1.1.3-16.2mdk.i586.rpm
4ad68906def2f2d6246cbedfb0d49674 8.1/RPMS/zlib1-devel-1.1.3-16.2mdk.i586.rpm
9a7d25694776824625b236c0c05e55f8 8.1/SRPMS/zlib-1.1.3-16.2mdk.src.rpm

Mandrake Linux 8.1/IA64:
dcf145f836f2f06c1ab7234b1dc7c1bf ia64/8.1/RPMS/zlib1-1.1.3-16.2mdk.ia64.rpm
ed737e934c544611260fea2013c3931a ia64/8.1/RPMS/zlib1-devel-1.1.3-16.2mdk.ia64.rpm
9a7d25694776824625b236c0c05e55f8 ia64/8.1/SRPMS/zlib-1.1.3-16.2mdk.src.rpm

Mandrake Linux 8.2:
abd5f9725fc8021f399ecd977dd444c9 8.2/RPMS/zlib1-1.1.3-19.1mdk.i586.rpm
faf3bc93f8af57cf917714ba818b3829 8.2/RPMS/zlib1-devel-1.1.3-19.1mdk.i586.rpm
67ca7b488757a889e70d7871e448c3c2 8.2/SRPMS/zlib-1.1.3-19.1mdk.src.rpm

Mandrake Linux 8.2/PPC:
a4b700901fe4b994c5ce3e9c917e7e65 ppc/8.2/RPMS/zlib1-1.1.3-19.1mdk.ppc.rpm
cfe5689952f15475c6bfa7655077ade2 ppc/8.2/RPMS/zlib1-devel-1.1.3-19.1mdk.ppc.rpm
67ca7b488757a889e70d7871e448c3c2 ppc/8.2/SRPMS/zlib-1.1.3-19.1mdk.src.rpm

Mandrake Linux 9.0:
b14b8d5c57f8a25b9b87dda07d48d789 9.0/RPMS/zlib1-1.1.4-5.1mdk.i586.rpm
b60c2cb3c6ebd24d2c16861877191bcd 9.0/RPMS/zlib1-devel-1.1.4-5.1mdk.i586.rpm
5c4b8b38ee0966768e92f91cf1f3c6a2 9.0/SRPMS/zlib-1.1.4-5.1mdk.src.rpm

Multi Network Firewall 8.2:
abd5f9725fc8021f399ecd977dd444c9 mnf8.2/RPMS/zlib1-1.1.3-19.1mdk.i586.rpm
67ca7b488757a889e70d7871e448c3c2 mnf8.2/SRPMS/zlib-1.1.3-19.1mdk.src.rpm

Single Network Firewall 7.2:
38a1becbada95846fafff3348b3924b6 snf7.2/RPMS/zlib-1.1.3-11.2mdk.i586.rpm
1731fe2370b22dce472175285c96af94 snf7.2/RPMS/zlib-devel-1.1.3-11.2mdk.i586.rpm
afdc6ebde0e1eb6bd89860e6702d47b9 snf7.2/SRPMS/zlib-1.1.3-11.2mdk.src.rpm
________________________________________________________________________

Bug IDs fixed (see https://qa.mandrakesoft.com for more information):
________________________________________________________________________

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

If you want to upgrade manually, download the updated package from one
of our FTP server mirrors and upgrade with "rpm -Fvh *.rpm". A list of
FTP mirrors can be obtained from:

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

Please verify the update prior to upgrading to ensure the integrity of
the downloaded package. You can do this with the command:

rpm --checksig

All packages are signed by MandrakeSoft for security. You can obtain
the GPG public key of the Mandrake Linux Security Team from:

https://www.mandrakesecure.net/RPM-GPG-KEYS

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

You can view other update advisories for Mandrake Linux 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


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