CVE-2018-7417 : Vulnerability Insights and Analysis
Learn about CVE-2018-7417, a vulnerability in Wireshark versions 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4 that could lead to crashes. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
Wireshark versions 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4 had a vulnerability in the IPMI dissector that could lead to crashes. This CVE entry addresses the issue and the resolution implemented.
Understanding CVE-2018-7417
This CVE entry pertains to a specific vulnerability in Wireshark versions 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4 related to the IPMI dissector.
What is CVE-2018-7417?
In Wireshark versions 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, a vulnerability in the IPMI dissector could cause crashes. The problem was mitigated by modifying the code to support crafted packets without an IPMI header.
The Impact of CVE-2018-7417
The impact of this vulnerability could lead to crashes in Wireshark when processing certain IPMI packets. By exploiting this issue, an attacker could potentially disrupt network monitoring and analysis activities.
Technical Details of CVE-2018-7417
This section provides more in-depth technical details about the CVE.
Vulnerability Description
The vulnerability in Wireshark versions 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4 stemmed from the IPMI dissector's inability to handle specific packets correctly, resulting in crashes. The fix involved adjusting the code to accommodate specially crafted packets lacking an IPMI header.
Affected Systems and Versions
- Wireshark versions 2.2.0 to 2.2.12
- Wireshark versions 2.4.0 to 2.4.4
Exploitation Mechanism
Exploiting this vulnerability required sending specially crafted IPMI packets to a system running the affected Wireshark versions, triggering a crash in the IPMI dissector.
Mitigation and Prevention
To address CVE-2018-7417 and enhance overall security, consider the following mitigation strategies:
Immediate Steps to Take
- Update Wireshark to the latest patched version.
- Monitor vendor security advisories for any related updates.
Long-Term Security Practices
- Regularly update and patch software to prevent known vulnerabilities.
- Implement network segmentation to limit the impact of potential attacks.
Patching and Updates
- Apply patches provided by Wireshark promptly to address the vulnerability and prevent exploitation.