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Huawei VRP Data Communication: MaxAge LSA Vulnerability (huawei-sa-20170720-01-ospf)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
Multiple Huawei products are prone to a MaxAge LSA vulnerability due to an improper OSPF implementation.
Insight
Insight
When the device receives special LSA packets, the LS (Link Status) age would be set to MaxAge, 3600 seconds. An attacker can exploit this vulnerability to poison the route table and launch a DoS attack.
Affected Software
Affected Software
Huawei AC6005, AC6605, AR1200, AR200, AR3200, CloudEngine 12800, CloudEngine 5800, CloudEngine 6800, CloudEngine 7800, CloudEngine 8800, E600, NE20E-S, S12700, S1700, S2300, S2700, S5300, S5700, S6300, S6700, S7700, S9300, S9700 and Secospace USG6600.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
See the referenced vendor advisory for a solution.