CVE-2018-0045 : What You Need to Know
Discover the impact of CVE-2018-0045, a vulnerability in Junos OS that can lead to RPD daemon crashes or remote code execution. Learn about affected systems, exploitation, and mitigation steps.
This CVE article provides details about a vulnerability in Junos OS that can lead to the crashing and restarting of the routing protocol daemon (RPD) process or potential remote code execution.
Understanding CVE-2018-0045
This vulnerability in Junos OS can be exploited by sending a specific control packet related to Draft-Rosen MVPN, causing the RPD process to crash and potentially leading to a denial of service.
What is CVE-2018-0045?
The vulnerability arises in Junos OS devices configured for Draft-Rosen multicast VPN with multicast-enabled VPNs using the PIM protocol. Attackers can crash the RPD process by continuously sending the same control packet.
The Impact of CVE-2018-0045
- Attack Vector: Adjacent Network
- Attack Complexity: Low
- Privileges Required: None
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
Technical Details of CVE-2018-0045
This section delves into the specifics of the vulnerability affecting various Junos OS versions and platforms.
Vulnerability Description
- The vulnerability allows attackers to crash the RPD process or potentially execute remote code by sending a specific control packet related to Draft-Rosen MVPN.
Affected Systems and Versions
- Junos OS versions prior to 12.1X46-D77, 12.3R12-S10, 12.3X48-D70, 15.1R4-S9, 15.1R6-S6, 15.1R7, 15.1F6, 15.1X49-D140, 15.1X53-D59, 15.1X53-D67, 15.1X53-D233, 15.1X53-D471, 15.1X53-D490, 16.1R4-S9, 16.1R5-S4, 16.1R6-S3, 16.1R7, 16.2R1-S6, 16.2R2-S6, 16.2R3, 17.1R1-S7, 17.1R2-S7, 17.1R3, 17.2R2-S4, 17.2R3, 17.3R2-S2, 17.3R3, 17.4R1-S3, 17.4R2, 18.1R2 are affected.
Exploitation Mechanism
- Attackers exploit the vulnerability by sending a specific control packet related to Draft-Rosen MVPN, crashing the RPD process.
Mitigation and Prevention
Learn how to mitigate and prevent the CVE-2018-0045 vulnerability.
Immediate Steps to Take
- Update Junos OS to the patched versions provided by Juniper Networks.
Long-Term Security Practices
- Regularly update Junos OS to the latest versions to prevent vulnerabilities.
Patching and Updates
- Apply the software releases provided by Juniper Networks to resolve the vulnerability.