A vulnerability in the Cisco Discovery Protocol implementation for Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to execute arbitrary code or cause a reload on an affected device. The vulnerability is due to improper validation of string input from certain fields in Cisco Discovery Protocol messages. An attacker could exploit this vulnerability by sending a malicious Cisco Discovery Protocol packet to an affected device. A successful exploit could allow the attacker to cause a stack overflow, which could allow the attacker to execute arbitrary code with administrative privileges on an affected device. Cisco Discovery Protocol is a Layer 2 protocol. To exploit this vulnerability, an attacker must be in the same broadcast domain as the affected device (Layer 2 adjacent).
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History
Fri, 08 Nov 2024 17:15:00 +0000
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MITRE
Status: PUBLISHED
Assigner: cisco
Published: 2020-02-05T17:40:16.080703Z
Updated: 2024-11-08T16:12:42.862Z
Reserved: 2019-12-12T00:00:00
Link: CVE-2020-3118
Vulnrichment
Updated: 2024-08-04T07:24:00.571Z
NVD
Status : Modified
Published: 2020-02-05T18:15:10.907
Modified: 2024-11-21T05:30:21.770
Link: CVE-2020-3118
Redhat
No data.