(Mandrake Issues Fix) Squid ntlm_check_auth() Buffer Overflow Lets Remote Users Execute Arbitrary Code
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SecurityTracker Alert ID: 1010452
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SecurityTracker URL: http://securitytracker.com/id?1010452
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CVE Reference: CAN-2004-0541
(Links to External Site)
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Date: Jun 10 2004
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Impact: Execution of arbitrary code via network, User access via network
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Fix Available: Yes
Vendor Confirmed: Yes
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Version(s): 3.*-PRE, 2.5.*
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Description: iDEFENSE reported a buffer overflow vulnerability in Squid in the processing of NTLM authentication messages. A remote user can execute arbitrary code on the target system.
It is reported that if the proxy is configured to use the NTLM authentication helper, a remote user can send a specially crafted
password to trigger a buffer overflow in 'helpers/ntlm_auth/SMB/libntlmssp.c' in the ntlm_check_auth() function.
The vendor was
reportedly notified on May 20, 2004.
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Impact: A remote user can execute arbitrary code on the target system.
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Solution: Mandrake has released a fix.
Mandrakelinux 10.0:
357b863653182b983e65cee68b3b36a3 10.0/RPMS/squid-2.5.STABLE4-1.2.100mdk.i586.rpm
ee7855a3e9b91bd841456f05345c03bf 10.0/SRPMS/squid-2.5.STABLE4-1.2.100mdk.src.rpm
Mandrakelinux 10.0/AMD64:
9ca1045d76480a6cefa88c976ffad762
amd64/10.0/RPMS/squid-2.5.STABLE4-1.2.100mdk.amd64.rpm
ee7855a3e9b91bd841456f05345c03bf amd64/10.0/SRPMS/squid-2.5.STABLE4-1.2.100mdk.src.rpm
Mandrakelinux 9.1:
4cc291bba5832c61862670c28d703991 9.1/RPMS/squid-2.5.STABLE1-7.2.91mdk.i586.rpm
8990299a7b722425b56f90f57bb9c415
9.1/SRPMS/squid-2.5.STABLE1-7.2.91mdk.src.rpm
Mandrakelinux 9.1/PPC:
b0885966e6ebecd69b16a960fd70cb97 ppc/9.1/RPMS/squid-2.5.STABLE1-7.2.91mdk.ppc.rpm
8990299a7b722425b56f90f57bb9c415 ppc/9.1/SRPMS/squid-2.5.STABLE1-7.2.91mdk.src.rpm
Mandrakelinux 9.2:
69c605f5733ea04b8e13448ea485300c
9.2/RPMS/squid-2.5.STABLE3-3.2.92mdk.i586.rpm
a5475f2c166ec6356665ac6bc3cc42f6 9.2/SRPMS/squid-2.5.STABLE3-3.2.92mdk.src.rpm
Mandrakelinux 9.2/AMD64:
d6d947d2874ab937f9fe8da3483526cd amd64/9.2/RPMS/squid-2.5.STABLE3-3.2.92mdk.amd64.rpm
a5475f2c166ec6356665ac6bc3cc42f6
amd64/9.2/SRPMS/squid-2.5.STABLE3-3.2.92mdk.src.rpm
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Vendor URL: www.squid-cache.org/ (Links to External Site)
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Cause: Boundary error
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Underlying OS: Linux (Mandrake)
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Underlying OS Comments: 10.0, 9.1, 9.2
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Reported By: Mandrake Linux Security Team <security@linux-mandrake.com>
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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: 9 Jun 2004 21:48:02 -0000
From: Mandrake Linux Security Team <security@linux-mandrake.com>
Subject: [Security Announce] MDKSA-2004:059 - Updated squid packages fix
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This is a multi-part message in MIME format...
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_______________________________________________________________________
Mandrakelinux Security Update Advisory
_______________________________________________________________________
Package name: squid
Advisory ID: MDKSA-2004:059
Date: June 9th, 2004
Affected versions: 10.0, 9.1, 9.2
______________________________________________________________________
Problem Description:
A vulnerability exists in squid's NTLM authentication helper. This
buffer overflow can be exploited by a remote attacker by sending an
overly long password, thus overflowing the buffer and granting the
ability to execute arbitrary code. This can only be exploited,
however, if NTLM authentication is used. NTLM authentication is built
by default in Mandrakelinux packages, but is not enabled in the
default configuration.
The vulnerability exists in 2.5.*-STABLE and 3.*-PRE. The provided
packages are patched to fix this problem.
_______________________________________________________________________
References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0541
www.idefense.com/application/poi/display?id=107&type=vulnerabilities
______________________________________________________________________
Updated Packages:
Mandrakelinux 10.0:
357b863653182b983e65cee68b3b36a3 10.0/RPMS/squid-2.5.STABLE4-1.2.100mdk.i586.rpm
ee7855a3e9b91bd841456f05345c03bf 10.0/SRPMS/squid-2.5.STABLE4-1.2.100mdk.src.rpm
Mandrakelinux 10.0/AMD64:
9ca1045d76480a6cefa88c976ffad762 amd64/10.0/RPMS/squid-2.5.STABLE4-1.2.100mdk.amd64.rpm
ee7855a3e9b91bd841456f05345c03bf amd64/10.0/SRPMS/squid-2.5.STABLE4-1.2.100mdk.src.rpm
Mandrakelinux 9.1:
4cc291bba5832c61862670c28d703991 9.1/RPMS/squid-2.5.STABLE1-7.2.91mdk.i586.rpm
8990299a7b722425b56f90f57bb9c415 9.1/SRPMS/squid-2.5.STABLE1-7.2.91mdk.src.rpm
Mandrakelinux 9.1/PPC:
b0885966e6ebecd69b16a960fd70cb97 ppc/9.1/RPMS/squid-2.5.STABLE1-7.2.91mdk.ppc.rpm
8990299a7b722425b56f90f57bb9c415 ppc/9.1/SRPMS/squid-2.5.STABLE1-7.2.91mdk.src.rpm
Mandrakelinux 9.2:
69c605f5733ea04b8e13448ea485300c 9.2/RPMS/squid-2.5.STABLE3-3.2.92mdk.i586.rpm
a5475f2c166ec6356665ac6bc3cc42f6 9.2/SRPMS/squid-2.5.STABLE3-3.2.92mdk.src.rpm
Mandrakelinux 9.2/AMD64:
d6d947d2874ab937f9fe8da3483526cd amd64/9.2/RPMS/squid-2.5.STABLE3-3.2.92mdk.amd64.rpm
a5475f2c166ec6356665ac6bc3cc42f6 amd64/9.2/SRPMS/squid-2.5.STABLE3-3.2.92mdk.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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____________________________________________________
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