Learn about CVE-2018-10767, a vulnerability in libgxps through 0.3.0, allowing for a stack-based buffer over-read. Find out how to mitigate the risk of a remote denial of service attack.
CVE-2018-10767 was published on May 6, 2018, and is related to a vulnerability in libgxps through version 0.3.0. The vulnerability allows for a stack-based buffer over-read when calling GLib, potentially leading to a remote denial of service attack.
Understanding CVE-2018-10767
This CVE entry highlights a specific vulnerability in the function gxps_images_guess_content_type of libgxps.
What is CVE-2018-10767?
The vulnerability in CVE-2018-10767 arises due to the failure to reject negative return values from a g_input_stream_read call, resulting in a stack-based buffer over-read.
The Impact of CVE-2018-10767
Exploiting this vulnerability with a specially crafted input can lead to a remote denial of service attack, impacting the availability of the affected system.
Technical Details of CVE-2018-10767
This section delves into the technical aspects of the CVE.
Vulnerability Description
The vulnerability allows for a stack-based buffer over-read in the function gxps_images_guess_content_type of libgxps through version 0.3.0 due to the mishandling of negative return values from a g_input_stream_read call.
Affected Systems and Versions
Exploitation Mechanism
Exploiting this vulnerability requires a specially crafted input that triggers the stack-based buffer over-read, potentially leading to a remote denial of service attack.
Mitigation and Prevention
To address CVE-2018-10767, consider the following mitigation strategies:
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates
Ensure that the affected systems are updated with the latest patches and security updates to mitigate the risk associated with CVE-2018-10767.