Cisco Secure ACS CSAdmin HTTP GET buffer overflow

cisco-acs-csadmin-bo (31323)

High Risk

Description:

Cisco Secure Access Control Server (ACS) is vulnerable to a stack-based buffer overflow, caused by an error processing HTTP GET requests in the CSAdmin service. By sending a specially-crafted HTTP GET request, a remote attacker could overflow a buffer and execute arbitrary code on the system with the privileges of the service or cause the service to crash.

*CVSS:

Base Score:	10
Access Vector:	Remote
Access Complexity:	Low
Authentication:	Not Required
Confidentiality Impact:	Complete
Integrity Impact:	Complete
Availability Impact:	Complete
Temporal Score:	7.4
Exploitability:	Unproven
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Gain Access

Remedy:

Refer to cisco-sa-20070105-csacs for upgrade or suggested workaround information. See References.

References:

• cisco-sa-20070105-csacs: Cisco Security Advisory: Multiple Vulnerabilities in Cisco Secure Access Control Server.
• BID-21900: Cisco Secure Access Control Server Multiple Remote Vulnerabilities
• CVE-2007-0105: Stack-based buffer overflow in the CSAdmin service in Cisco Secure Access Control Server (ACS) for Windows before 4.1 and ACS Solution Engine before 4.1 allows remote attackers to execute arbitrary code via a crafted HTTP GET request.
• OSVDB ID: 32642: Cisco Secure ACS Crafted HTTP GET Request Remote Overflow
• SA23629: Cisco Secure ACS Multiple Vulnerabilities
• SECTRACK ID: 1017475: Cisco Secure Access Control Server CSAdmin and CSRadius Stack Overflows Let Remote Users Execute Arbitrary Code
• US-CERT VU#744249: Cisco Secure Access Control Server vulnerable to a stack-based buffer overflow via a specially crafted "HTTP GET" request
• VUPEN/ADV-2007-0068: Cisco Secure ACS Multiple Remote Buffer Overflow and Denial of Service Vulnerabilities

Platforms Affected:

• Cisco Secure Access Control Server 4.0
• Cisco Secure Access Control Server 4.0.1

Reported:

Jan 05, 2007

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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.

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