CVE-2018-7429 : Exploit Details and Defense Strategies
Discover vulnerabilities in Splunk Enterprise (6.2.x, 6.3.x, 6.4.x) and Splunk Light pre-6.5.0. Remote attackers can disrupt services via malformed HTTP requests. Learn about impact, affected systems, and mitigation steps.
Vulnerabilities have been discovered in multiple versions of Splunk Enterprise (6.2.x, 6.3.x, and 6.4.x) as well as in Splunk Light prior to version 6.5.0. These vulnerabilities could be exploited by remote attackers to disrupt the service availability by sending malformed HTTP requests.
Understanding CVE-2018-7429
This CVE involves vulnerabilities in Splunk Enterprise and Splunk Light that could be exploited by remote attackers.
What is CVE-2018-7429?
CVE-2018-7429 is a vulnerability found in Splunk Enterprise versions 6.2.x, 6.3.x, and 6.4.x, as well as in Splunk Light before version 6.5.0. It allows remote attackers to disrupt service availability through malformed HTTP requests.
The Impact of CVE-2018-7429
The vulnerability could lead to a denial of service if exploited by remote attackers, affecting the availability of the Splunk services.
Technical Details of CVE-2018-7429
This section provides more technical insights into the CVE.
Vulnerability Description
Splunkd in Splunk Enterprise 6.2.x before 6.2.14, 6.3.x before 6.3.11, and 6.4.x before 6.4.8, along with Splunk Light before 6.5.0, allows remote attackers to cause a denial of service via malformed HTTP requests.
Affected Systems and Versions
- Splunk Enterprise 6.2.x before 6.2.14
- Splunk Enterprise 6.3.x before 6.3.11
- Splunk Enterprise 6.4.x before 6.4.8
- Splunk Light before 6.5.0
Exploitation Mechanism
Remote attackers can exploit this vulnerability by sending specially crafted HTTP requests to the affected Splunk versions.
Mitigation and Prevention
Protect your systems from CVE-2018-7429 with the following steps:
Immediate Steps to Take
- Apply the necessary patches provided by Splunk to fix the vulnerability.
- Monitor network traffic for any suspicious activity that could indicate an exploit attempt.
Long-Term Security Practices
- Regularly update and patch your Splunk installations to prevent known vulnerabilities.
- Implement network security measures to filter and block potentially malicious traffic.
Patching and Updates
Ensure that you update Splunk Enterprise to versions 6.2.14, 6.3.11, and 6.4.8, or upgrade Splunk Light to version 6.5.0 to mitigate the CVE-2018-7429 vulnerability.