Microsoft Windows Local Security Authority Subsystem Service (LSASS) denial of service
| win-lsass-dos (53511) |  Low Risk |
Description:
Microsoft Windows is vulnerable to a denial of service, caused by an integer overflow in the Local Security Authority Subsystem Service (LSASS) when handling specially-crafted packets. By sending specially-crafted NTLM packets during the NTLM authentication process, a remote attacker could exploit this vulnerability to cause the process to stop responding and force a reboot.
*CVSS:
| Base Score: | 7.8 |
| Access Vector: | Network |
| Access Complexity: | Low |
| Authentication: | None |
| Confidentiality Impact: | None |
| Integrity Impact: | None |
| Availability Impact: | Complete |
| Temporal Score: | 5.8 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Denial of Service
Remedy:
Apply the appropriate patch for your system, as listed in Microsoft Security Bulletin MS09-059. See References.
References:
- Microsoft Security Bulletin MS09-059: Vulnerability in Local Security Authority Subsystem Service Could Allow Denial of Service (975467). (53511-xxx)
- BID-36593: Microsoft Windows LSASS NTLM Implementation Remote Denial of Service Vulnerability
- CVE-2009-2524: Integer underflow in the NTLM authentication feature in the Local Security Authority Subsystem Service (LSASS) in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista Gold, SP1, and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 allows remote attackers to cause a denial of service (reboot) via a malformed packet, aka Local Security Authority Subsystem Service Integer Overflow Vulnerability.
- SA37002: Microsoft Local Security Authority Subsystem Denial of Service
Platforms Affected:
- Microsoft Windows 7.0 x32
- Microsoft Windows 7.0 x64
- Microsoft Windows Server 2008 SP2 x32
- Microsoft Windows Server 2008 x64
- Microsoft Windows Server 2008 32-bit
- Microsoft Windows Server 2008 Itanium
- Microsoft Windows Vista
- Microsoft Windows Vista SP1 x64
- Microsoft Windows Vista SP1
- Microsoft Windows Vista x64
- Microsoft Windows Server 2003 SP2 x64
- Microsoft Windows Server 2003 SP2 Itanium
- Microsoft Windows Server 2003 SP2
- Microsoft Windows Server 2008 SP2 x64
- Microsoft Windows Server 2008 SP2 Itanium
- Microsoft Windows Server 2008 R2 x64
- Microsoft Windows Server 2008 R2 Itanium
- Microsoft Windows Vista SP2 x64
- Microsoft Windows Vista SP2
- Microsoft Windows XP SP2 x64 Professional
- Microsoft Windows XP SP3
- Microsoft Windows XP SP2
Reported:
Oct 13, 2009
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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.