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Junos PIM Handling DoS Vulnerability
Information
Severity
Severity
High
Family
Family
JunOS Local Security Checks
CVSSv2 Base
CVSSv2 Base
7.8
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:N/C:N/I:N/A:C
Solution Type
Solution Type
Vendor Patch
Created
Created
10 years ago
Modified
Modified
5 years ago
Summary
Certain PIM packets subject to NAT may cause the Flow Daemon to crash which can cause a DoS contition.
Insight
Insight
On SRX Series devices where Protocol-Independent Multicast (PIM) is enabled, certain PIM packets subject to Network Address Translation (NAT) may cause the Flow Daemon (flowd) to crash. This issue only occurs in a NAT environment and cannot be triggered by PIM packets sent directly to the SRX.
Affected Software
Affected Software
Junos OS 10.4, 11.4, 12.1 and 12.1X44.
Detection Method
Detection Method
Checks if a vulnerable OS build is present on the target host.
Solution
Solution
New builds of Junos OS software are available from Juniper.