CVE-2023-44178 : Security Advisory and Response
Discover the impact of CVE-2023-44178, a Stack-based Buffer Overflow vulnerability in Juniper Networks Junos OS, affecting various versions. Learn about the risk, exploitation, and mitigation solutions for protection.
A Stack-based Buffer Overflow vulnerability in the CLI command of Juniper Networks Junos OS allows a low privileged attacker to execute specific CLI commands leading to Denial of Service. This issue affects various versions of Junos OS.
Understanding CVE-2023-44178
This section provides detailed insights into the CVE-2023-44178 vulnerability affecting Juniper Networks Junos OS.
What is CVE-2023-44178?
A Stack-based Buffer Overflow vulnerability in the CLI command of Juniper Networks Junos OS enables a low privileged attacker to execute specific CLI commands, resulting in Denial of Service. Repeated attacks can lead to a sustained DoS condition.
The Impact of CVE-2023-44178
The vulnerability poses a medium severity threat with a CVSS base score of 5.5. Although Juniper SIRT has not detected any malicious exploitation yet, prompt action is recommended to prevent potential DoS attacks.
Technical Details of CVE-2023-44178
This section outlines the technical aspects of the CVE-2023-44178 vulnerability in Juniper Networks Junos OS.
Vulnerability Description
The Stack-based Buffer Overflow vulnerability allows a low privileged attacker to disrupt services by executing CLI commands.
Affected Systems and Versions
Juniper Networks Junos OS versions prior to 19.1R3-S10 up to 23.2R2 are susceptible to this vulnerability.
Exploitation Mechanism
There is currently no known malicious exploitation of CVE-2023-44178 reported.
Mitigation and Prevention
To safeguard systems from the CVE-2023-44178 vulnerability, follow the mitigation strategies provided below.
Immediate Steps to Take
Implement access lists or firewall filters to restrict CLI access to trusted hosts and administrators.
Long-Term Security Practices
Regularly update Junos OS to the patched versions specified below to address this vulnerability.
Patching and Updates
Juniper Networks has released updated software versions to address CVE-2023-44178. Ensure your Junos OS is updated to the following or later versions: 19.1R3-S10, 19.2R3-S7, 19.3R3-S8, 19.4R3-S12, 20.2R3-S8, 20.4R3-S8, 21.2R3-S6, 21.3R3-S5, 21.4R3-S5, 22.1R3-S3, 22.2R3-S2, 22.3R3-S1, 22.4R2-S1, 23.2R2 or subsequent releases.