CVE-2019-9633 : Security Advisory and Response
Learn about CVE-2019-9633, a vulnerability in GNOME GLib 2.59.2 that could be exploited by remote attackers, potentially leading to a denial of service attack. Find out the impact, technical details, and mitigation steps.
In GNOME GLib version 2.59.2, a vulnerability exists in the gio/gsocketclient.c file that can be exploited by remote attackers, potentially leading to a denial of service attack.
Understanding CVE-2019-9633
This CVE entry describes a flaw in GNOME GLib version 2.59.2 that could result in a denial of service attack when exploited by remote attackers.
What is CVE-2019-9633?
The vulnerability in the gio/gsocketclient.c file of GNOME GLib 2.59.2 allows remote attackers to trigger a denial of service attack by mishandling the g_socket_client_connected_callback function, potentially causing a crash in the affected application, such as GNOME Web (Epiphany).
The Impact of CVE-2019-9633
Exploitation of this vulnerability could lead to a denial of service attack, impacting the availability of the affected application and potentially disrupting its normal operation.
Technical Details of CVE-2019-9633
This section provides more technical insights into the vulnerability.
Vulnerability Description
The issue in gio/gsocketclient.c of GNOME GLib 2.59.2 does not ensure the survival of a parent GTask during a connection-attempting enumeration, enabling remote attackers to exploit this flaw.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Version: Not applicable
Exploitation Mechanism
The vulnerability can be exploited by remote attackers through a manipulated website, leveraging the mishandling of the g_socket_client_connected_callback function to cause a denial of service attack.
Mitigation and Prevention
To address CVE-2019-9633, consider the following mitigation strategies:
Immediate Steps to Take
- Apply security patches provided by the vendor promptly.
- Monitor for any unusual activity that could indicate exploitation of the vulnerability.
Long-Term Security Practices
- Regularly update software and libraries to the latest versions.
- Implement network security measures to detect and block malicious traffic.
Patching and Updates
Ensure that the affected systems are updated with the latest patches and security fixes to mitigate the risk of exploitation.