CVE-2023-36849 (junos, junos_os_evolved) | allinfosecnews.com

July 14, 2023, 6:15 p.m. |

National Vulnerability Database web.nvd.nist.gov

An Improper Check or Handling of Exceptional Conditions vulnerability in the Layer-2 control protocols daemon (l2cpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated adjacent attacker to cause a Denial of Service (DoS).

When a malformed LLDP packet is received, l2cpd will crash and restart. The impact of the l2cpd crash is reinitialization of STP protocols (RSTP, MSTP or VSTP), and MVRP and ERP. Also, if any services depend on LLDP state (like PoE or VoIP …

check conditions control crash cve daemon denial of service dos handling impact juniper juniper networks junos junos os malformed networks packet protocols service vulnerability

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