Denial of service in Juniper Networks Junos OS and Junos OS Evolved



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-28981
CWE-ID CWE-20
Exploitation vector Local network
Public exploit N/A
Vulnerable software
 Junos OS Evolved
Operating systems & Components / Operating system

Juniper Junos OS
Operating systems & Components / Operating system

Vendor Juniper Networks, Inc.

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Input validation error

EUVDB-ID: #VU75131

Risk: Low

CVSSv4.0: 4.9 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-28981

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input in the kernel. A remote attacker on the local network can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Junos OS Evolved: 20.4R1-EVO - 22.2-EVO

Juniper Junos OS: 20.3R1-S1 - 22.1R1

CPE2.3 External links

https://supportportal.juniper.net/s/article/2023-04-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-If-malformed-IPv6-router-advertisements-are-received-memory-corruption-will-occur-which-causes-an-rpd-crash-CVE-2023-28981


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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



###SIDEBAR###