CVE-2018-7325 : What You Need to Know
Learn about CVE-2018-7325 affecting Wireshark versions 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12. Discover the impact, technical details, and mitigation steps for this infinite loop vulnerability.
Wireshark versions 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12 were affected by an infinite loop vulnerability in the epan/dissectors/packet-rpki-rtr.c file, which has been resolved.
Understanding CVE-2018-7325
This CVE entry addresses a specific vulnerability in Wireshark versions 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12.
What is CVE-2018-7325?
The issue involved an infinite loop in the packet-rpki-rtr.c file of Wireshark versions 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12. The problem was mitigated by implementing a validation process for a length field.
The Impact of CVE-2018-7325
The vulnerability could potentially lead to denial of service (DoS) attacks due to the infinite loop, impacting the availability and performance of affected systems.
Technical Details of CVE-2018-7325
This section provides more in-depth technical insights into the CVE.
Vulnerability Description
The vulnerability stemmed from an infinite loop in the epan/dissectors/packet-rpki-rtr.c file of Wireshark versions 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12. The issue was addressed by introducing a validation mechanism for a specific length field.
Affected Systems and Versions
- Wireshark versions 2.4.0 to 2.4.4
- Wireshark versions 2.2.0 to 2.2.12
Exploitation Mechanism
- Attackers could exploit this vulnerability by crafting malicious network packets to trigger the infinite loop, causing a DoS condition.
Mitigation and Prevention
Protecting systems from CVE-2018-7325 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update Wireshark to the latest patched version to eliminate the vulnerability.
- Monitor network traffic for any signs of exploitation.
Long-Term Security Practices
- Regularly update and patch software to address known vulnerabilities.
- Implement network intrusion detection/prevention systems to detect and block malicious traffic.
Patching and Updates
- Stay informed about security advisories and promptly apply patches released by Wireshark to secure systems against potential threats.