Improper check for unusual or exceptional conditions in Junos OS - CVE-2024-47503

 

Improper check for unusual or exceptional conditions in Junos OS - CVE-2024-47503

Published: October 11, 2024


Vulnerability identifier: #VU98403
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-47503
CWE-ID: CWE-754
Exploitation vector: Adjecent network
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to improper check for unusual or exceptional conditions error in the flow processing daemon (flowd). A remote non-authenticated attacker can cause a Denial-of-Service (DoS).

If in a multicast scenario a sequence of specific PIM packets is received, this will cause a flowd crash and restart, which leads to momentary service interruption.


Affected software

Junos OS

How to mitigate CVE-2024-47503

Install updates from vendor's website.

Junos OS - addressed in versions 21.4R3-S9, 22.2R3-S5

External References

Related Security Bulletins