Improper handling of exceptional conditions in Junos OS Evolved and Juniper Junos OS

1) Improper handling of exceptional conditions

EUVDB-ID: #VU88445

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-2024-30382

CWE-ID: CWE-755 - Improper Handling of 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 handling of exceptional conditions error in the routing protocol daemon (rpd). A remote non-authenticated attacker can send a specific routing update, causing an rpd core due to memory corruption, leading to a Denial of Service (DoS).

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Juniper Junos OS: 20.4R1 - 22.2R1-S2

Junos OS Evolved: 21.3-EVO - 22.2-EVO

External links

http://supportportal.juniper.net/s/article/2024-04-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-Junos-OS-and-Junos-OS-Evolved-RPD-crash-when-CoS-based-forwarding-CBF-policy-is-configured-CVE-2024-30382

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.