Incorrect calculation of buffer size in Juniper Junos OS

1) Incorrect calculation of buffer size

EUVDB-ID: #VU88461

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-2024-30405

CWE-ID: CWE-131 - Incorrect Calculation of Buffer Size

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 incorrect calculation of buffer size error. A remote non-authenticated attacker can cause a transit traffic Denial of Service (DoS).

Continued receipt and processing of these specific packets will sustain the Denial of Service condition.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Juniper Junos OS: 21.2R1 - 23.2R1-S2

External links

http://supportportal.juniper.net/s/article/2024-04-Security-Bulletin-Junos-OS-SRX-5000-Series-with-SPC2-Processing-of-specific-crafted-packets-when-ALG-is-enabled-causes-a-transit-traffic-Denial-of-Service-CVE-2024-30405

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.