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Net-snmp SNMPv3 Authentication Bug Lets Remote Users Bypass Authentication

oval:org.mitre.oval:def:6414

SNMPv3 HMAC verification in (1) Net-SNMP 5.2.x before 5.2.4.1 5.3.x before 5.3.2.1 and 5.4.x before 5.4.1.1; (2) UCD-SNMP; (3) eCos; (4) Juniper Session and Resource Control (SRC) C-series 1.0.0 through 2.0.0; (5) NetApp (aka Network Appliance) Data ONTAP 7.3RC1 and 7.3RC2; (6) SNMP Research before 16.2; (7) multiple Cisco IOS CatOS ACE and Nexus products; (8) Ingate Firewall 3.1.0 and later and SIParator 3.1.0 and later; (9) HP OpenView SNMP Emanate Master Agent 15.x; and possibly other products relies on the client to specify the HMAC length which makes it easier for remote attackers to bypass SNMP authentication via a length value of 1 which only checks the first byte.

Family:
unix
Status:
ACCEPTED
Platform(s):
  • VMWare ESX Server 3.5
  • VMWare ESX Server 3
Class:
vulnerability
Reference(s):
  • CVE-2008-0960
Product(s):