Improper check for unusual or exceptional conditions in Junos OS Evolved and Juniper Junos OS

1) Improper check for unusual or exceptional conditions

EUVDB-ID: #VU85284

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-21614

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 Routing Protocol Daemon (RPD). A remote non-authenticated attacker can cause rpd to crash, leading to Denial of Service (DoS).

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Junos OS Evolved: 22.2-EVO - 22.3R1-S2-EVO

Juniper Junos OS: 22.2R1 - 22.4R1-S2

External links

http://supportportal.juniper.net/s/article/2024-01-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-A-specific-query-via-DREND-causes-rpd-crash-CVE-2024-21614

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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