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Home » Hacking News » Mandrake MDKSA-2003:052: Snort stream4 integer overflow

Mandrake MDKSA-2003:052: Snort stream4 integer overflow

by Nikola Strahija on April 30th, 2003 A vulnerabilty was discovered in the Snort stream4 preprocessor which, if exploited, could allow denial of service or arbitrary code execution.


________________________________________________________________________

Mandrake Linux Security Update Advisory
________________________________________________________________________

Package name: snort
Advisory ID: MDKSA-2003:052
Date: April 28th, 2003

Affected versions: 8.2, 9.0, 9.1, Corporate Server 2.1,
Multi Network Firewall 8.2
________________________________________________________________________

Problem Description:

An integer overflow was discovered in the Snort stream4 preprocessor
by the Sourcefire Vulnerability Research Team. This preprocessor
(spp_stream4) incorrectly calculates segment size parameters during
stream reassembly for certainm sequence number ranges. This can
lead to an integer overflow that can in turn lead to a heap overflow
that can be exploited to perform a denial of service (DoS) or even
remote command excution on the host running Snort.

Disabling the stream4 preprocessor will make Snort invulnerable to
this attack, and the flaw has been fixed upstream in Snort version
2.0. Snort versions 1.8 through 1.9.1 are vulnerable.
________________________________________________________________________

References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0209
http://www.snort.org/advisories/snort-2003-04-16-1.txt
________________________________________________________________________

Updated Packages:

Corporate Server 2.1:
97c817bc7ddb5e1a89f4479668cf59f0 corporate/2.1/RPMS/snort-2.0.0-2.1mdk.i586.rpm
ca9dec4bc5ba46f80a0724f6e0f5a138 corporate/2.1/RPMS/snort-bloat-2.0.0-2.1mdk.i586.rpm
0262bcb71eea556cbee8c421e4ad1511 corporate/2.1/RPMS/snort-mysql+flexresp-2.0.0-2.1mdk.i586.rpm
8dd41f46553707dc3adc6a82855df2ba corporate/2.1/RPMS/snort-mysql-2.0.0-2.1mdk.i586.rpm
46ad883dad9f77ce6d978171eb03de67 corporate/2.1/RPMS/snort-plain+flexresp-2.0.0-2.1mdk.i586.rpm
3dd354f0c849c9765451b51fa93a0b4e corporate/2.1/RPMS/snort-postgresql+flexresp-2.0.0-2.1mdk.i586.rpm
8735c537e40937a7b3ae3f3c38d55162 corporate/2.1/RPMS/snort-postgresql-2.0.0-2.1mdk.i586.rpm
73a866acec5d6e1abdde902d0d893968 corporate/2.1/RPMS/snort-snmp+flexresp-2.0.0-2.1mdk.i586.rpm
cc0a606a5409213934b0c06fe2d44433 corporate/2.1/RPMS/snort-snmp-2.0.0-2.1mdk.i586.rpm
2efb9950c70248f94b561f76bef88181 corporate/2.1/SRPMS/snort-2.0.0-2.1mdk.src.rpm

Mandrake Linux 8.2:
a4514c067f2409606fe7706a35d8f3f7 8.2/RPMS/snort-2.0.0-2.1mdk.i586.rpm
5c2f61da6ce991e630a23dffbeee2814 8.2/RPMS/snort-bloat-2.0.0-2.1mdk.i586.rpm
242237fafcc77f29b9b6cdc71db27cdc 8.2/RPMS/snort-mysql+flexresp-2.0.0-2.1mdk.i586.rpm
75a9dc76a726e93e1876c35d7eafa543 8.2/RPMS/snort-mysql-2.0.0-2.1mdk.i586.rpm
9230a8bf2966eda057b4903edb2e6e8c 8.2/RPMS/snort-plain+flexresp-2.0.0-2.1mdk.i586.rpm
08efb60f8fa7f117903f3267e92c1937 8.2/RPMS/snort-postgresql+flexresp-2.0.0-2.1mdk.i586.rpm
a993826c9b4a74cfde1a36f3b209c3a9 8.2/RPMS/snort-postgresql-2.0.0-2.1mdk.i586.rpm
9700de212e797fb49d59859bd0faeef8 8.2/RPMS/snort-snmp+flexresp-2.0.0-2.1mdk.i586.rpm
781cafab6d9ca1e7de0d53a9f0a6ad20 8.2/RPMS/snort-snmp-2.0.0-2.1mdk.i586.rpm
2efb9950c70248f94b561f76bef88181 8.2/SRPMS/snort-2.0.0-2.1mdk.src.rpm

Mandrake Linux 8.2/PPC:
2961264210fb026e70c76bc20db4a109 ppc/8.2/RPMS/snort-2.0.0-2.1mdk.ppc.rpm
4efd69038a64483af014ed3da0bda40e ppc/8.2/RPMS/snort-bloat-2.0.0-2.1mdk.ppc.rpm
1618da9f7f393f384f2fa3620d5756ab ppc/8.2/RPMS/snort-mysql+flexresp-2.0.0-2.1mdk.ppc.rpm
26772c8ca76f47d33d75a2bae9c4b030 ppc/8.2/RPMS/snort-mysql-2.0.0-2.1mdk.ppc.rpm
1954dd955a26e4fafe053e1ed418fe7f ppc/8.2/RPMS/snort-plain+flexresp-2.0.0-2.1mdk.ppc.rpm
84f600f2013d88faecc4a19613a16cf2 ppc/8.2/RPMS/snort-postgresql+flexresp-2.0.0-2.1mdk.ppc.rpm
a32214c7f3ab03681956054f61d4071f ppc/8.2/RPMS/snort-postgresql-2.0.0-2.1mdk.ppc.rpm
76b030fb690c654ff008ee0d2bfdee95 ppc/8.2/RPMS/snort-snmp+flexresp-2.0.0-2.1mdk.ppc.rpm
d365692eb1fd386fb9f1fb4b87973f2a ppc/8.2/RPMS/snort-snmp-2.0.0-2.1mdk.ppc.rpm
2efb9950c70248f94b561f76bef88181 ppc/8.2/SRPMS/snort-2.0.0-2.1mdk.src.rpm

Mandrake Linux 9.0:
97c817bc7ddb5e1a89f4479668cf59f0 9.0/RPMS/snort-2.0.0-2.1mdk.i586.rpm
ca9dec4bc5ba46f80a0724f6e0f5a138 9.0/RPMS/snort-bloat-2.0.0-2.1mdk.i586.rpm
0262bcb71eea556cbee8c421e4ad1511 9.0/RPMS/snort-mysql+flexresp-2.0.0-2.1mdk.i586.rpm
8dd41f46553707dc3adc6a82855df2ba 9.0/RPMS/snort-mysql-2.0.0-2.1mdk.i586.rpm
46ad883dad9f77ce6d978171eb03de67 9.0/RPMS/snort-plain+flexresp-2.0.0-2.1mdk.i586.rpm
3dd354f0c849c9765451b51fa93a0b4e 9.0/RPMS/snort-postgresql+flexresp-2.0.0-2.1mdk.i586.rpm
8735c537e40937a7b3ae3f3c38d55162 9.0/RPMS/snort-postgresql-2.0.0-2.1mdk.i586.rpm
73a866acec5d6e1abdde902d0d893968 9.0/RPMS/snort-snmp+flexresp-2.0.0-2.1mdk.i586.rpm
cc0a606a5409213934b0c06fe2d44433 9.0/RPMS/snort-snmp-2.0.0-2.1mdk.i586.rpm
2efb9950c70248f94b561f76bef88181 9.0/SRPMS/snort-2.0.0-2.1mdk.src.rpm

Mandrake Linux 9.1:
3436f5a3ec275a9e8d38b32a3e885b20 9.1/RPMS/snort-2.0.0-2.1mdk.i586.rpm
c63d4e80b2b69dc8469a401d62e65de2 9.1/RPMS/snort-bloat-2.0.0-2.1mdk.i586.rpm
0e12b7b79706198f6351c1d55d6c29a6 9.1/RPMS/snort-mysql+flexresp-2.0.0-2.1mdk.i586.rpm
501bbbcfb86e0dbc5a1450f97d5df972 9.1/RPMS/snort-mysql-2.0.0-2.1mdk.i586.rpm
b4151478633c30590a605e8fe110852e 9.1/RPMS/snort-plain+flexresp-2.0.0-2.1mdk.i586.rpm
7f58e498e92d7b32bfa6c4b7a85c36c1 9.1/RPMS/snort-postgresql+flexresp-2.0.0-2.1mdk.i586.rpm
b576a20571664d450504b3a51aae0417 9.1/RPMS/snort-postgresql-2.0.0-2.1mdk.i586.rpm
76cb1fc010b384ef5ba0c236d85ce6e5 9.1/RPMS/snort-snmp+flexresp-2.0.0-2.1mdk.i586.rpm
fca545c28a94eaabc6f10d7528d0e82c 9.1/RPMS/snort-snmp-2.0.0-2.1mdk.i586.rpm
2efb9950c70248f94b561f76bef88181 9.1/SRPMS/snort-2.0.0-2.1mdk.src.rpm

Mandrake Linux 9.1/PPC:
6fedffede24c0334a8eeb858a826482f ppc/9.1/RPMS/snort-2.0.0-2.1mdk.ppc.rpm
753051524999ae9f082e124bfc949ec2 ppc/9.1/RPMS/snort-bloat-2.0.0-2.1mdk.ppc.rpm
905246e8240c13006760bbd56c0fbe9b ppc/9.1/RPMS/snort-mysql+flexresp-2.0.0-2.1mdk.ppc.rpm
b8adb28a28341780014339e9cd1f4b8a ppc/9.1/RPMS/snort-mysql-2.0.0-2.1mdk.ppc.rpm
d1537b80ce0d15e290d129edf9b6f02e ppc/9.1/RPMS/snort-plain+flexresp-2.0.0-2.1mdk.ppc.rpm
16b0bbbc4729f8fdaf7d0554b45cd0e5 ppc/9.1/RPMS/snort-postgresql+flexresp-2.0.0-2.1mdk.ppc.rpm
972676cf613c1d1313a6bf68d7f9f0d6 ppc/9.1/RPMS/snort-postgresql-2.0.0-2.1mdk.ppc.rpm
7c79443a574b81db3345bac3c11c2f16 ppc/9.1/RPMS/snort-snmp+flexresp-2.0.0-2.1mdk.ppc.rpm
4df4eef406078666a682a01935975678 ppc/9.1/RPMS/snort-snmp-2.0.0-2.1mdk.ppc.rpm
2efb9950c70248f94b561f76bef88181 ppc/9.1/SRPMS/snort-2.0.0-2.1mdk.src.rpm

Multi Network Firewall 8.2:
a4514c067f2409606fe7706a35d8f3f7 mnf8.2/RPMS/snort-2.0.0-2.1mdk.i586.rpm
2efb9950c70248f94b561f76bef88181 mnf8.2/SRPMS/snort-2.0.0-2.1mdk.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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