Enterasys Network Management Suite Syslog service buffer overflow

enterasys-syslog-bo (71889) The risk level is classified as HighHigh Risk

Description:

Enterasys Network Management Suite is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the Syslog service (nssyslogd.exe) when processing the PRIO field. By sending an overly long message to UDP port 514, a remote attacker could overflow a buffer and execute arbitrary code on the system with SYSTEM-level privileges or cause the application to crash.

*CVSS:

Base Score: 10
  Access Vector: Network
  Access Complexity: Low
  Authentication: None
  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:

Upgrade to the latest version of Network Management Suite (4.1.0.80 or later), available from the Enterasys Web site. See References.

References:

  • Enterasys Web site: Network Management Suite.
  • Offensive Security Exploit Database [01-04-2013]: Enterasys NetSight nssyslogd.exe Buffer Overflow.
  • Packet Storm Web site: Enterasys NetSight nssyslogd.exe Buffer Overflow.
  • ZDI-11-350: Enterasys NetSight nssyslogd PRI Remote Code Execution Vulnerability.
  • BID-51124: Enterasys Network Management Suite 'nssyslogd.exe' Component Stack Buffer Overflow Vulnerability
  • CVE-2011-5227: Stack-based buffer overflow in the Syslog service (nssyslogd.exe) in Enterasys Network Management Suite (NMS) before 4.1.0.80 allows remote attackers to execute arbitrary code via a long PRIO field in a message to UDP port 514.
  • OSVDB ID: 77971: Enterasys Network Management Suite Syslog Service nssyslogd.exe PRIO Field Parsing Remote Overflow
  • SA47263: Enterasys Network Management Suite Syslog Buffer Overflow Vulnerability

Platforms Affected:

  • Enterasys Network Management Suite

Reported:

Dec 19, 2011

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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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