CVE-2017-10987 : Vulnerability Insights and Analysis
Learn about CVE-2017-10987, a vulnerability in FreeRADIUS 3.x versions prior to 3.0.15, allowing a denial of service due to a buffer over-read in the function fr_dhcp_decode_suboptions(). Find mitigation steps and prevention measures.
FreeRADIUS 3.x version prior to 3.0.15 encounters an FR-GV-304 vulnerability, leading to a denial of service due to a buffer over-read specifically in the function "fr_dhcp_decode_suboptions()" related to DHCP.
Understanding CVE-2017-10987
An FR-GV-304 issue in FreeRADIUS 3.x before 3.0.15 allows "DHCP - Buffer over-read in fr_dhcp_decode_suboptions()" and a denial of service.
What is CVE-2017-10987?
This CVE refers to a vulnerability in FreeRADIUS 3.x versions prior to 3.0.15 that can be exploited to cause a denial of service due to a buffer over-read in the function related to DHCP.
The Impact of CVE-2017-10987
The vulnerability can be exploited by attackers to trigger a denial of service, potentially disrupting network services relying on FreeRADIUS.
Technical Details of CVE-2017-10987
FreeRADIUS 3.x versions prior to 3.0.15 are affected by this vulnerability.
Vulnerability Description
The vulnerability lies in the function "fr_dhcp_decode_suboptions()" within FreeRADIUS, leading to a buffer over-read and subsequent denial of service.
Affected Systems and Versions
- Product: FreeRADIUS
- Vendor: N/A
- Versions affected: N/A
Exploitation Mechanism
Attackers can exploit this vulnerability by sending specially crafted requests to the affected FreeRADIUS server, triggering the buffer over-read and causing a denial of service.
Mitigation and Prevention
It is crucial to take immediate steps to mitigate the impact of CVE-2017-10987.
Immediate Steps to Take
- Update FreeRADIUS to version 3.0.15 or newer to patch the vulnerability.
- Monitor network traffic for any suspicious activity that could indicate exploitation of the vulnerability.
Long-Term Security Practices
- Regularly update and patch all software and systems to prevent known vulnerabilities.
- Implement network segmentation and access controls to limit the impact of potential attacks.
Patching and Updates
- Stay informed about security advisories and updates from FreeRADIUS to promptly address any future vulnerabilities.