#VU75130 Insecure Default Variable Initialization in Junos OS Evolved - CVE-2023-28978

Vulnerability identifier: #VU75130

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-28978

CWE-ID: CWE-453

Exploitation vector: Network

Exploit availability: No

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

Vendor: Juniper Networks, Inc.

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to insecure default initialization of resource. A remote attacker can read certain confidential information on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Junos OS Evolved: 20.4R1-EVO, 20.4R1-S1-EVO, 20.4R1-S2-EVO, 20.4R2-EVO, 20.4R2-S1-EVO, 20.4R2-S2-EVO, 20.4R2-S3-EVO, 20.4R3-EVO, 20.4R3-S1-EVO, 20.4R3-S2-EVO, 20.4R3-S3-EVO, 20.4R3-S4-EVO, 20.4R3-S5-EVO, 20.4R3-S6-EVO, 20.4, 21.1R1-EVO, 21.1R1-S1-EVO, 21.1R2-EVO, 21.1R3-EVO, 21.1R3-S1-EVO, 21.1R3-S2-EVO, 21.1R3-S3-EVO, 21.1, 21.1-EVO, 21.2R1-EVO, 21.2R1-S1-EVO, 21.2R1-S2-EVO, 21.2R2-EVO, 21.2R2-S1-EVO, 21.2R2-S2-EVO, 21.2R3-EVO, 21.2R3-S1-EVO, 21.2R3-S2-EVO, 21.2R3-S3-EVO, 21.2R3-S4-EVO, 21.2-EVO, 21.4R1-EVO, 21.4R1-S1-EVO, 21.4R1-S2-EVO, 21.4R2-EVO, 21.4R2-S1-EVO, 21.4R2-S2-EVO, 21.4R3-EVO, 22.2R1-EVO, 22.2R1-S1-EVO, 22.2-EVO

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External links
https://supportportal.juniper.net/s/article/2023-04-Security-Bulletin-Junos-OS-Evolved-Read-access-to-some-confidential-user-information-is-possible-CVE-2023-28978

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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.