CVE-2019-11455 : What You Need to Know
Learn about CVE-2019-11455, a vulnerability in Util_urlDecode in Tildeslash Monit before version 5.25.3 allowing memory exposure and denial of service. Find mitigation steps and prevention measures.
Tildeslash Monit before version 5.25.3 is vulnerable to a remote attack that can lead to memory exposure and denial of service.
Understanding CVE-2019-11455
This CVE involves a vulnerability in Util_urlDecode in util.c in Tildeslash Monit before version 5.25.3.
What is CVE-2019-11455?
Util_urlDecode in util.c in Tildeslash Monit before version 5.25.3 has a vulnerability that allows a remote attacker who is authenticated to retrieve the contents of nearby memory by manipulating GET or POST parameters. This manipulation can also lead to a denial of service, causing an application outage.
The Impact of CVE-2019-11455
The vulnerability in Util_urlDecode can result in a remote authenticated attacker retrieving adjacent memory contents through manipulation of GET or POST parameters. Additionally, it can lead to a denial of service, causing application outages.
Technical Details of CVE-2019-11455
Tildeslash Monit before version 5.25.3 is affected by this vulnerability.
Vulnerability Description
A buffer over-read in Util_urlDecode in util.c in Tildeslash Monit before 5.25.3 allows a remote authenticated attacker to retrieve the contents of adjacent memory via manipulation of GET or POST parameters. The attacker can also cause a denial of service (application outage).
Affected Systems and Versions
- Product: n/a
- Vendor: n/a
- Version: n/a
Exploitation Mechanism
The vulnerability can be exploited by a remote attacker who is authenticated, manipulating GET or POST parameters to retrieve nearby memory contents and potentially causing a denial of service.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent the exploitation of CVE-2019-11455.
Immediate Steps to Take
- Update Tildeslash Monit to version 5.25.3 or later to mitigate the vulnerability.
- Monitor and restrict access to GET and POST parameters to prevent unauthorized manipulation.
Long-Term Security Practices
- Regularly update and patch software to address known vulnerabilities.
- Implement network security measures to detect and prevent unauthorized access.
Patching and Updates
- Apply patches and updates provided by Tildeslash to ensure the security of the Monit software.