Improper check for unusual or exceptional conditions in Juniper Junos OS



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-47503
CWE-ID CWE-754
Exploitation vector Local network
Public exploit N/A
Vulnerable software
 Juniper Junos OS
Operating systems & Components / Operating system

Vendor Juniper Networks, Inc.

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper check for unusual or exceptional conditions

EUVDB-ID: #VU98403

Risk: Medium

CVSSv4.0: 4.9 [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/E:U/U:Green]

CVE-ID: CVE-2024-47503

CWE-ID: CWE-754 - Improper Check for Unusual or Exceptional Conditions

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Juniper Junos OS: 21.4R1-S1 - 22.2R2

CPE2.3 External links

https://supportportal.juniper.net/s/article/2024-10-Security-Bulletin-Junos-OS-SRX4600-and-SRX5000-Series-Sequence-of-specific-PIM-packets-causes-a-flowd-crash-CVE-2024-47503


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



###SIDEBAR###