Net-SNMP subagent AgentX denial of service

netsnmp-cve20126151-dos (89485) The risk level is classified as MediumMedium Risk

Description:

Net-SNMP is vulnerable to a denial of service, caused by a timeout when the subagent AgentX is under a heavy load. By sending multiple GETNEXT requests, a remote attacker could exploit this vulnerability to cause the snmpd process to crash.

*CVSS:

Base Score: 5
  Access Vector: Network
  Access Complexity: Low
  Authentication: None
  Confidentiality Impact: None
  Integrity Impact: None
  Availability Impact: Partial
 
Temporal Score: 4
  Exploitability: Unproven
  Remediation Level: Unavailable
  Report Confidence: Uncorroborated

Consequences:

Denial of Service

Remedy:

Apply the appropriate patch for your system. See References.

References:

  • Net-SNMP Web site: Net-SNMP.
  • Red Hat Bugzilla Bug 1038007 : (CVE-2012-6151) CVE-2012-6151 net-snmp: snmpd crashes/hangs when AgentX subagent times-out.
  • BID-64048: Net-SNMP SNMPD AgentX Subagent Timeout Denial of Service Vulnerability
  • CVE-2012-6151: Net-SNMP 5.7.1 and earlier, when AgentX is registering to handle a MIB and processing GETNEXT requests, allows remote attackers to cause a denial of service (crash or infinite loop, CPU consumption, and hang) by causing the AgentX subagent to timeout.
  • RHSA-2014-0322: Moderate: net-snmp security update
  • SA55804: Net-SNMP SNMPD GETNEXT Requests Timeout Handling Denial of Service Vulnerability

Platforms Affected:

  • Net-SNMP Net-SNMP 5.7.1
  • RedHat Enterprise Linux 5 Client
  • RedHat Enterprise Linux 5
  • RedHat Enterprise Linux 5 Client Workstation

Reported:

Dec 09, 2013

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 ignore thisxforceignore this@ignore thisus.ignore thisibm.comignore this

Return to the main page