Silentum LoginSys logged_in cookie security bypass

silentumloginsys-loggedin-security-bypass (47616)

Medium Risk

Description:

Silentum LoginSys could allow a remote attacker to bypass security restrictions, caused by improper validation of authentication cookies. By modifying the logged_in cookie, a remote attacker could exploit this vulnerability to bypass security restrictions and gain unauthorized administrator access to the vulnerable application.

*CVSS:

Base Score:	7.5
Access Vector:	Network
Access Complexity:	Low
Authentication:	None
Confidentiality Impact:	Partial
Integrity Impact:	Partial
Availability Impact:	Partial
Temporal Score:	7.1
Exploitability:	High
Remediation Level:	Unavailable
Report Confidence:	Uncorroborated

Consequences:

Bypass Security

Remedy:

No remedy available as of July 9, 2011.

References:

• HyperSilence.net Web site: Silentum LoginSys.
• BID-33031: Silentum LoginSys Cookie Authentication Bypass Vulnerability
• CVE-2008-6763: login2.php in Silentum LoginSys 1.0.0 allows remote attackers to bypass authentication and obtain access to an arbitrary account by setting the logged_in cookie to that account's username.
• SA31801: Silentum LoginSys Multiple Cross-site Scripting Vulnerabilities

Platforms Affected:

• HyperSilence Silentum LoginSys 1.0.0

Reported:

Dec 28, 2008

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.

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.

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IBM Internet Security Systems is a trusted security advisor to thousands of the world's leading businesses and governments, helping to provide pre-emptive protection for networks, desktops and servers. The IBM Proventia? integrated security platform is designed to automatically protect against both known and unknown threats, helping to keep networks up and running and shield customers from online attacks before they impact business assets. IBM Internet Security Systems products and services are based on the proactive security intelligence of its X-Force? research and development team ? an unequivocal world authority in vulnerability and threat research. The IBM Internet Security Systems product line is also complemented by comprehensive Managed Security Services and Professional Security Services. For more information, visit the IBM Internet Security Systems Web site at www.iss.net or call 800-776-2362.