Improper check for unusual or exceptional conditions in Junos OS - CVE-2024-30397

 

Improper check for unusual or exceptional conditions in Junos OS - CVE-2024-30397

Published: April 11, 2024


Vulnerability identifier: #VU88443
CSH Severity: Medium
CVSS v4: 8.7 [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]
CVE-ID: CVE-2024-30397
CWE-ID: CWE-754
Exploitation vector: Remote access
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 Public Key Infrastructure daemon (pkid). A remote non-authenticated attacker can cause Denial of Service (DoS).

The pkid is responsible for the certificate verification.

Upon a failed verification, the pkid uses all CPU resources and becomes unresponsive to future verification attempts.


Affected software

Junos OS

How to mitigate CVE-2024-30397

Install updates from vendor's website.

Junos OS - addressed in versions 20.4R3-S10, 21.2R3-S7, 21.4R3-S5, 22.1R3-S4, 22.2R3-S3, 22.3R3-S1, 22.4R3, 23.2R1-S2, 23.2R2, 23.4R1

External References

Related Security Bulletins