XPath injection in Junos OS J-Web

Published: 2024-07-15

Risk	Medium
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2024-39565
CWE-ID	CWE-643
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Juniper Junos OS Operating systems & Components / Operating system
Vendor	Juniper Networks, Inc.

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper neutralization of data within xpath expressions

EUVDB-ID: #VU94352

Risk: Medium

CVSSv3.1: 6.2 [CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-39565

CWE-ID: CWE-643 - Improper Neutralization of Data within XPath Expressions

Exploit availability: No

Description

The vulnerability allows a remote user to execute arbitrary code.

The vulnerability exists due to improper neutralization of data within xpath expressions. While an administrator is logged into a J-Web session or has previously logged in and subsequently logged out of their J-Web session, the attacker can arbitrarily execute commands on the target device with the other user's credentials.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Juniper Junos OS: 21.2R1 - 23.2R2-S1

CPE2.3

External links

http://supportportal.juniper.net/s/article/2024-07-Security-Bulletin-Junos-OS-SRX-Series-EX-Series-J-Web-An-unauthenticated-network-based-attacker-can-perform-XPATH-injection-attack-against-a-device-CVE-2024-39565

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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