Samba smbd share connection request denial of service
| samba-smbd-connection-dos (27648) |
Description:
Samba is vulnerable to a denial of service caused by improper handling of share connection requests by smbd. A remote attacker could create multiple connections to shares to cause the smbd to consume all available memory resources, resulting in a denial of service.
*CVSS:
| Base Score: | 3.5 |
| Access Vector: | Remote |
| Access Complexity: | Low |
| Authentication: | Not Required |
| Confidentiality Impact: | None |
| Integrity Impact: | None |
| Availability Impact: | Partial |
| Temporal Score: | 2.6 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Denial of Service
Remedy:
Apply Apple Security Update 2006-007, available from the Apple Web site. See References.
Apply the patch for this vulnerability or upgrade to the latest version of Samba (3.0.23 or later), available from the Samba Web site. See References.
For Debian GNU/Linux:
Refer to DSA-1110-1 for patch, upgrade, or suggested workaround information. See References.
For Gentoo Linux:
Refer to Gentoo Linux Security Announcement GLSA 2006-07-10 for patch, upgrade, or suggested workaround information. See References.
For Red Hat Linux:
Refer to RHSA-2006:0591-6 for patch, upgrade, or suggested workaround information. See References.
For VMware ESX Server 2.0.2:
Apply the patch for this vulnerability, as listed in the VMware Advisory esx-202-200610-patch. See References.
For VMware ESX Server 2.1.3:
Apply the patch for this vulnerability, as listed in the VMware Advisory esx-213-200610-patch. See References.
For VMware 2.5.3:
Apply the patch for this vulnerability, as listed in the VMware Advisory esx-253-200610-patch. See References.
For other distributions:
Contact your vendor for upgrade or patch information.
References:
- Apple Security Update 2006-007: About the security content of Security Update 2006-007.
- BugTraq Mailing List, Mon Jul 10 2006 - 16:05:00 CDT : [ANNOUNCEMENT] Samba 3.0.1 - 3.0.22: memory exhaustion DoS against smbd.
- Full-Disclosure Mailing List, Mon Nov 13 2006 - 17:22:38 CST: VMSA-2006-0006 - VMware ESX Server 2.5.3 Upgrade Patch 4.
- Full-Disclosure Mailing List, Mon Nov 13 2006 - 17:22:54 CST: VMSA-2006-0007 - VMware ESX Server 2.1.3 Upgrade Patch 2.
- Full-Disclosure Mailing List, Mon Nov 13 2006 - 17:23:03 CST: VMSA-2006-0008 - VMware ESX Server 2.0.2 Upgrade Patch 2.
- Samba Security Announcement 10 July 2006: CVE-2006-3403: Memory exhaustion DoS against smbd.
- Samba Web site: Samba - Security Updates and Information.
- VMware Advisory esx-253-200610-patch: VMware ESX Server 2.5.3 Upgrade Patch 4 (for 2.5.3 Systems Only).
- VMware Web site: VMware ESX Server 2.1.3 Upgrade Patch 2 (for 2.1.3 Systems Only).
- VMware Web site: VMware ESX Server 2.0.2 Upgrade Patch 2 (for 2.0.2 Systems Only).
- ASA-2006-172: samba security update (RHSA-2006-0591)
- BID-18927: Samba Internal Data Structures Denial of Service Vulnerability
- CVE-2006-3403: The smdb daemon (smbd/service.c) in Samba 3.0.1 through 3.0.22 allows remote attackers to cause a denial of service (memory consumption) via a large number of share connection requests.
- DSA-1110: samba -- missing input sanitising
- GLSA-200607-10: Samba: Denial of Service vulnerability
- MDKSA-2006:120: Updated samba packages fix DoS vulnerability
- RHSA-2006-0591: samba security update
- SA20980: Samba Multiple Share Connection Requests Denial of Service
- SA22875: VMware ESX Server Multiple Vulnerabilities
- SA23155: Mac OS X Security Update Fixes Multiple Vulnerabilities
- SECTRACK ID: 1016459: Samba smbd Memory Limit Error in make_connection() Lets Remote Users Deny Service
- SUSE-SR:2006:017: SUSE Security Summary Report
Platforms Affected:
- Apple Mac OS X 10.3.9
- Apple Mac OS X 10.4.8
- Apple Mac OS X Server 10.3.9
- Apple Mac OS X Server 10.4.8
- Canonical Ubuntu 5.04
- Canonical Ubuntu 5.10
- Canonical Ubuntu 6.06 LTS
- Debian Debian Linux 3.1
- Gentoo Linux
- MandrakeSoft Mandrake Linux 2006 X86_64
- MandrakeSoft Mandrake Linux 2006
- MandrakeSoft Mandrake Linux LE2005
- MandrakeSoft Mandrake Linux LE2005 X86_64
- MandrakeSoft Mandrake Linux Corporate Server 3.0 X86_64
- MandrakeSoft Mandrake Linux Corporate Server 3.0
- RedHat Enterprise Linux 2.1 AS
- RedHat Enterprise Linux 2.1 ES
- RedHat Enterprise Linux 2.1 WS
- RedHat Enterprise Linux 3 Desktop
- RedHat Enterprise Linux 3 WS
- RedHat Enterprise Linux 3 ES
- RedHat Enterprise Linux 3 AS
- RedHat Enterprise Linux 4 Desktop
- RedHat Enterprise Linux 4 WS
- RedHat Enterprise Linux 4 ES
- RedHat Enterprise Linux 4 AS
- RedHat Linux Advanced Workstation 2.1 Itanium
- Samba Samba 3.0.1
- Samba Samba 3.0.10
- Samba Samba 3.0.11
- Samba Samba 3.0.12
- Samba Samba 3.0.13
- Samba Samba 3.0.14
- Samba Samba 3.0.14a
- Samba Samba 3.0.15
- Samba Samba 3.0.16
- Samba Samba 3.0.17
- Samba Samba 3.0.18
- Samba Samba 3.0.19
- Samba Samba 3.0.2
- Samba Samba 3.0.20a
- Samba Samba 3.0.20b
- Samba Samba 3.0.21
- Samba Samba 3.0.21a
- Samba Samba 3.0.21b
- Samba Samba 3.0.21c
- Samba Samba 3.0.22
- Samba Samba 3.0.3
- Samba Samba 3.0.4
- Samba Samba 3.0.5
- Samba Samba 3.0.6
- Samba Samba 3.0.7
- Samba Samba 3.0.8
- Samba Samba 3.0.9
- Turbolinux Turbolinux 10 Desktop
- Turbolinux Turbolinux 10 F...
- Turbolinux Turbolinux 10 Server
- Turbolinux Turbolinux 10 Server x64 Ed
- Turbolinux Turbolinux 7 Server
- Turbolinux Turbolinux 8 Server
- Turbolinux Turbolinux FUJI
- Turbolinux Turbolinux Home
- Turbolinux Turbolinux Multimedia
- Turbolinux Turbolinux Personal
- Turbolinux Turbolinux Appliance Server 1.0 Hosting Ed
- Turbolinux Turbolinux Appliance Server 1.0 Workgroup Ed
- Turbolinux Turbolinux Appliance Server 2.0
- VMware ESX Server 2.0.2
- VMware ESX Server 2.1.3
- VMware ESX Server 2.5.3
Reported:
Jul 10, 2006
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For corrections or additions please email xforce@iss.net
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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 IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
