Cisco Service Control Engine (SCE) SSH login denial of service

cisco-sce-sshlogin-dos (42565) The risk level is classified as MediumMedium Risk

Description:

The Cisco Service Control Engine (SCE) is vulnerable to a denial of service, caused by an unspecified error during aggressive SSH login activity. A remote attacker could exploit this vulnerability using unknown attack vectors to cause instability or cause the device to reload.

*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:

Refer to cisco-sa-20080521-sce for patch, upgrade or suggested workaround information. See References.

References:

  • cisco-sa-20080521-sce: Cisco Service Control Engine Denial of Service Vulnerabilities.
  • BID-29316: Cisco Service Control Engine SSH Server Multiple Denial of Service Vulnerabilities
  • BID-29609: Icon Labs Iconfidant SSH Multiple Denial of Service Vulnerabilities
  • CVE-2008-0534: The SSH server in (1) Cisco Service Control Engine (SCE) before 3.1.6, and (2) Icon Labs Iconfidant SSH before 2.3.8, allows remote attackers to cause a denial of service (device restart or daemon outage) via a high rate of login attempts, aka Bug ID CSCsi68582.
  • OSVDB ID: 45686: Cisco Cisco Service Control Engine (SCE) SSH Engine Login Activity Unspecified Remote DoS
  • SA30316: Cisco Service Control Engine SSH Server Denial of Service Vulnerabilities
  • SA30590: Iconfidant SSH Denial of Service Vulnerabilities
  • SECTRACK ID: 1020074: Cisco Service Control Engine SSH Server Bugs Let Remote Users Deny Service
  • US-CERT VU#626979: Icon Labs SSH server vulnerabilities

Platforms Affected:

  • Cisco Service Control Engine 3.1.6
  • Icon-Labs Iconfidant SSH 2.3.7

Reported:

May 21, 2008

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