Learn about CVE-2018-20175 involving Integer Signedness errors in rdesktop versions up to v1.8.3, leading to Denial of Service vulnerabilities. Find mitigation steps and prevention measures here.
This CVE involves multiple Integer Signedness errors in rdesktop versions up to v1.8.3, leading to Denial of Service (DoS) vulnerabilities.
Understanding CVE-2018-20175
The file mcs.c in rdesktop versions up to v1.8.3 is affected by these vulnerabilities.
What is CVE-2018-20175?
rdesktop versions up to v1.8.3 contain Integer Signedness errors in the file mcs.c, resulting in Out-Of-Bounds Reads and potential Denial of Service (DoS) attacks.
The Impact of CVE-2018-20175
The vulnerabilities can lead to a Denial of Service (DoS) condition, causing the application to crash (segfault) and potentially disrupting services.
Technical Details of CVE-2018-20175
rdesktop versions up to v1.8.3 are susceptible to these Integer Signedness errors.
Vulnerability Description
The file mcs.c in rdesktop versions up to v1.8.3 is affected by multiple Integer Signedness errors, leading to Out-Of-Bounds Reads and a Denial of Service (DoS) condition.
Affected Systems and Versions
Exploitation Mechanism
The vulnerabilities can be exploited by triggering Out-Of-Bounds Reads in the mcs.c file, resulting in a Denial of Service (DoS) attack.
Mitigation and Prevention
Immediate Steps to Take:
Patching and Updates
Ensure that rdesktop is updated to a version that addresses the Integer Signedness errors to mitigate the risk of Denial of Service (DoS) attacks.