SB2023102643 - Multiple DoS vulnerabilities in Junos OS and Junos OS Evolved CLI

Description

This security bulletin contains information about 3 vulnerabilities.

1) Stack-based buffer overflow (CVE-ID: CVE-2023-44176)

CWE-ID: CWE-121 - Stack-based buffer overflow

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error when handling CLI commands. A local user can can trigger a stack-based buffer overflow and perform a denial of service (DoS) attack.

2) Stack-based buffer overflow (CVE-ID: CVE-2023-44178)

CWE-ID: CWE-121 - Stack-based buffer overflow

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error when handling CLI commands. A local user can can trigger a stack-based buffer overflow and perform a denial of service (DoS) attack.

3) Stack-based buffer overflow (CVE-ID: CVE-2023-44177)

CWE-ID: CWE-121 - Stack-based buffer overflow

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error when handling CLI commands. A local user can can trigger a stack-based buffer overflow and perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

• https://supportportal.juniper.net/s/article/2023-10-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-Multiple-Vulnerabilities-in-CLI-command