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Cisco Bug: CSCuq99855 - [17.0-egtpmgr 143064 error]:Packet with unexpected GTP version from peer

Last Modified

Aug 06, 2018

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

17.0(1) 17.0.0.56878 18.0.0

Description (partial)

Symptoms:
A vulnerability in the GTP component of the ASR5500 (Aggregation Services Routers) could allow an unauthenticated, remote attacker to cause
syslog errors on the affected system.

The vulnerability is due to excessive gtp version 1 packets being received instead of excepted gtp version 2 packets. An attacker could exploit
this vulnerability by running system test call-models on the targeted appliance.

Conditions:
gtpv1 packets being received on the affected system.
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Bug Details Include

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