#VU98407 Resource exhaustion in Juniper Junos OS - CVE-2024-47497

Vulnerability identifier: #VU98407

Vulnerability risk: Medium

CVSSv4.0: 6.6 [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/E:U/U:Green]

CVE-ID: CVE-2024-47497

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Juniper Junos OS
Operating systems & Components / Operating system

Vendor: Juniper Networks, Inc.

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources within the httpd daemon. A remote attacker can initiate specific HTTP connections with the device, trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Juniper Junos OS: 21.4R1-S1, 21.4R1-S2, 21.4R2-S1, 21.4R2-S2, 21.4R3-S1, 21.4R3-S2, 21.4R3-S3, 21.4R3-S4, 21.4R3-S5, 21.4R3-S6, 21.4R1, 21.4R2, 22.2R1-S1, 22.2R1-S2, 22.2R2-S1, 22.2R2-S2, 22.2R3-S1, 22.2R3-S2, 22.2R3-S3, 22.2R1, 22.2R2, 22.3R1-S1, 22.3R1-S2, 22.3R2-S1, 22.3R2-S2, 22.3R3-S1, 22.3R3-S2, 22.3R1, 22.3R2, 22.4R1-S1, 22.4R1-S2, 22.4R2-S1, 22.4R2-S2, 22.4R3-S1, 22.4R1, 22.4R2, 23.2R1-S1, 23.2R1-S2, 23.2R1, 23.4R1-S1, 23.4R2-S1, 23.4R2-S2, 23.4R2-S3, 24.2R1-S1

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External links
https://supportportal.juniper.net/s/article/2024-10-Security-Bulletin-Junos-OS-SRX-Series-QFX-Series-MX-Series-and-EX-Series-Receiving-specific-HTTPS-traffic-causes-resource-exhaustion-CVE-2024-47497

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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.