Improper handling of exceptional conditions in Junos OS Evolved and Juniper Junos OS - CVE-2023-36849

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Main Vulnerability Database Vulnerabilities #VU78275

Improper handling of exceptional conditions in Junos OS Evolved and Juniper Junos OS - CVE-2023-36849

Published: July 16, 2023


Vulnerability identifier: #VU78275
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-36849
CWE-ID: CWE-755
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Junos OS Evolved
Juniper Junos OS
Software vendor:
Juniper Networks, Inc.

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper handling of errors in the Layer-2 control protocols daemon (l2cpd). A remote attacker can send a malformed LLDP packet to the l2cpd  daemon and perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links