Samba mangling method buffer overflow

samba-mangling-method-bo (16786)

High Risk

Description:

Samba is vulnerable to a buffer overflow in the mangling method = hash smb.conf option. A remote attacker could exploit this vulnerability to overflow a buffer and possibly execute arbitrary code on the system.

Note: The default setting for Samba 3, mangling method = hash2, is not vulnerable.

Consequences:

Gain Access

Remedy:

Upgrade to the latest version of samba (2.2.10 or 3.0.5 or later), available from the Samba Web site. See References.

For Red Hat Linux:
Upgrade to the latest samba package, as listed below. Refer to RHSA-2004:259-23 and RHSA-2004:404-04 for more information. See References.

Red Hat Enterprise Linux AS (v. 2.1), ES (v. 2.1), WS (v. 2.1), and Red Hat Linux Advanced Workstation 2.1 for the Itanium Processor: 2.2.10-1.21as.1 or later
Red Hat Enterprise Linux AS (v. 3), ES (v.3), WS (v. 3), and Desktop (v.3): 3.0.4-6.3E.x86_64 or later

For OpenPKG:
Upgrade to the latest samba package, as listed in OpenPKG Security Advisory OpenPKG-SA-2004.033-samba. See References.

OpenPKG CURRENT: 3.0.5-20040722 or later
OpenPKG 2.0: 2.2.8a-2.0.1 or later
OpenPKG 2.1: 3.0.4-2.1.1 or later

For Conectiva Linux:
Upgrade to the latest samba package, as listed below. Refer to Conectiva Linux Security Announcement CLSA-2004:851and CLSA-2004:854 for more information. See References.

Conectiva Linux 10: 3.0.4-62749U10_2cl or later
Conectiva Linux 8: 2.2.10-1U80_1cl or later
Conectiva Linux 9: 2.2.10-27520U90_1cl or later

For Mandrake Linux:
Upgrade to the latest samba package, as listed below. Refer to MandrakeSoft Security Advisory MDKSA-2004:071 : samba for more information. See References.

Mandrake Linux 9.1: 2.2.7a-9.4.91mdk or later
Mandrake Linux 9.2: 2.2.8a-13.2.92mdk or later
Mandrake Linux Multi Network Firewall 8.2: 2.2.7a-9.4.M82mdk or later
Mandrake Linux Corporate Server 2.1: 2.2.7a-10.2.C21mdk or later
Mandrake Linux 10.0: 3.0.2a-3.2.100mdk or later

For SuSE Linux:
Upgrade to the latest samba package, as listed below. Refer to SuSE Security Announcement SuSE-SuSE-SA:2004:010 for more information. See References.

SuSE Linux 9.1: 3.0.4-1.27 or later
SuSE Linux 9.0: 2.2.8a-220 or later
SuSE Linux 8.2: 2.2.8a-220 or later
SuSE Linux 8.1: 2.2.8a-218 or later

For Slackware Linux:
Upgrade to the latest samba package, as listed below. Refer to slackware-security Mailing List, Sun, 25 Jul 2004 20:24:19 -0700 (PDT) for more information. See References.

Slackware Linux 9.0 and 8.1: 2.2.10-i386-1 or later
Slackware Linux 9.1: 2.2.10-i486-1 or later

Refer to slackware-security Mailing List, Mon, 26 Jul 2004 15:19:49 -0700 (PDT) for more information. See References.

Slackware Linux 10.0 and -current: 3.0.5-i486-2 or later

For Trustix Secure Linux:
Upgrade to the latest samba package, as listed below. Refer to Trustix Secure Linux Security Advisory #2004-0039 for more information. See References.

For HP-UX 11.00,11.11,11.22, 11.23:
Apply the appropriate patch for this vulnerability, as listed in Hewlett-Packard Security Bulletin HPSBUX01062. See References.

For Gentoo Linux:
Upgrade to the latest version of samba (3.0.5 or later), as listed in GLSA 200407-21. See References.

For Turbolinux:
Upgrade to the latest samba package, as listed below. Refer to Turbolinux Security Advisory TLSA-2004-25 for more information. See References.

Turbolinux Appliance Server 1.0 Hosting Edition and Turbolinux Appliance Server 1.0 Workgroup Edition: 2.2.7a-9jaJP or later
Turbolinux 10 Desktop: 2.2.7a-9jaJP or later
Turbolinux 8 Server and workstation, and 7 Server and workstation:2.2.7a-9jaJP or later

For Sun Solaris:
Apply the appropriate patch for your system, as listed below. Refer to Sun Alert ID: 57664 for more information. See References.

SPARC Platform:
Solaris 9: 114684-03 or later

x86 Platform:
Solaris 9: 114685-03 or later

For other distributions:
Contact your vendor for upgrade or patch information.

References:

• BugTraq Mailing List, Thu Jul 22 2004 - 06:14:37 CDT : Security Release - Samba 3.0.5 and 2.2.10.
• CIAC Information Bulletin 0-186: Samba Buffer Overrun Vulnerabilities [REVISED 5 Aug 2004].
• Conectiva Linux Announcement CLSA-2004:851: Multiple potential buffer overruns.
• Conectiva Linux Announcement CLSA-2004:854: Multiple potential buffer overruns.
• Samba Web site: SAMBA - opening windows to a wider world.
• Slackware-Security Mailing List, Mon, 26 Jul 2004 15:19:49 -0700 (PDT): alternate samba package for Slackware 10.0.
• Slackware-Security Mailing List, Sun, 25 Jul 2004 20:24:19 -0700 (PDT): New samba packages.
• Sun Alert ID: 57664: Security Vulnerability in Samba May Allow Unauthorized Root Privileges.
• Trustix Secure Linux Security Advisory #2004-0039: Several security vulnerabilities patched.
• BID-10781: Samba Filename Mangling Method Buffer Overrun Vulnerability
• CVE-2004-0686: Buffer overflow in Samba 2.2.x to 2.2.9, and 3.0.0 to 3.0.4, when the mangling method = hash option is enabled in smb.conf, has unknown impact and attack vectors.
• GLSA-200407-21: Samba: Multiple buffer overflows
• OpenPKG-SA-2004.033: Samba
• RHSA-2004-259: samba security update
• RHSA-2004-404: samba security update
• SUSE-SA:2004:022: samba: remote root compromise

Platforms Affected:

• Conectiva Linux 10
• Conectiva Linux 8.0
• Conectiva Linux 9.0
• Gentoo Linux
• HP HP-UX 11.00
• HP HP-UX 11.11
• HP HP-UX 11.22
• HP HP-UX 11.23
• MandrakeSoft Mandrake Linux 9.1
• MandrakeSoft Mandrake Linux 9.2
• MandrakeSoft Mandrake Linux Corporate Server 2.1
• MandrakeSoft Mandrake Multi Network Firewall 8.2
• Novell SuSE Linux Enterprise Server 7.0
• OpenPKG OpenPKG 2.0
• OpenPKG OpenPKG 2.1
• OpenPKG OpenPKG CURRENT
• RedHat Enterprise Linux 2.1 WS
• RedHat Enterprise Linux 2.1 ES
• RedHat Enterprise Linux 2.1 AS
• RedHat Enterprise Linux 2.1 AW
• RedHat Enterprise Linux 3 WS
• RedHat Enterprise Linux 3 ES
• RedHat Enterprise Linux 3 AS
• RedHat Enterprise Linux 3 Desktop
• RedHat Linux Advanced Workstation 2.1 Itanium
• Samba Samba 3.0.2
• Samba Samba 3.0.2a
• Samba Samba 3.0.3
• Samba Samba 3.0.4
• Slackware Slackware Linux 10.0
• Slackware Slackware Linux 8.1
• Slackware Slackware Linux 9.0
• Slackware Slackware Linux 9.1
• Slackware Slackware Linux current
• Sun Solaris 9
• SuSE SuSE eMail Server III
• SUSE SuSE Linux 8.1
• SUSE SuSE Linux 8.2
• SUSE SuSE Linux 9.0
• SUSE SuSE Linux 9.1
• SuSE SuSE Linux Connectivity Server
• SuSE SuSE Linux Database Server
• SuSE SuSE Linux Office Server
• Trustix Secure Enterprise Linux 2.0
• Trustix Secure Linux 1.5
• Trustix Secure Linux 2.0
• Trustix Secure Linux 2.1
• Turbolinux Turbolinux 10 Desktop
• Turbolinux Turbolinux 7 Server
• Turbolinux Turbolinux 7 Workstation
• Turbolinux Turbolinux 8 Server
• Turbolinux Turbolinux 8 Workstation
• Turbolinux Turbolinux Appliance Server 1.0

Reported:

Jul 22, 2004

The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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