Cisco Intrusion Prevention System MainApp denial of service

cisco-ips-cve20135497-dos (87280) The risk level is classified as MediumMedium Risk

Description:

Cisco Intrusion Prevention System (IPS) is vulnerable to a denial of service, caused by the improper handling of user tokens. By sending a specially-crafted request to the Cisco IPS management interface, an attacker could exploit this vulnerability to cause MainApp to hang intermittently.

*CVSS:

Base Score: 4.3
  Access Vector: Network
  Access Complexity: Medium
  Authentication: None
  Confidentiality Impact: None
  Integrity Impact: None
  Availability Impact: Partial
 
Temporal Score: 3.2
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Denial of Service

Remedy:

Refer to Cisco Security Notice for patch, upgrade or suggested workaround information. See References.

References:

  • Cisco Security Notice: Cisco IPS Authentication Manager Denial of Service Vulnerability.
  • BID-62517: Cisco IPS Software Authentication Manager CVE-2013-5497 Denial of Service Vulnerability
  • CVE-2013-5497: The authentication manager process in the web framework in Cisco Intrusion Prevention System (IPS) does not properly handle user tokens, which allows remote attackers to cause a denial of service (intermittent MainApp hang) via a crafted management-interface connection request, aka Bug ID CSCuf20148.
  • OSVDB ID: 97525: Cisco Intrusion Prevention System (IPS) Crafted Management-interface Connection Request Handling Remote DoS
  • SA54958: Cisco IPS Authentication Manager Denial of Service Weakness

Platforms Affected:

  • Cisco Intrusion Prevention System

Reported:

Sep 19, 2013

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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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