CVE-2018-0280 : What You Need to Know
Learn about CVE-2018-0280, a vulnerability in Cisco Meeting Server Media Services that could lead to a denial of service (DoS) condition. Find out how to mitigate and prevent this security issue.
A vulnerability in the Real-Time Transport Protocol (RTP) bitstream processing of the Cisco Meeting Server could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The exploit could result in a situation where the server becomes unavailable due to crashes in the media process.
Understanding CVE-2018-0280
This CVE entry describes a vulnerability in Cisco Meeting Server Media Services that affects specific software releases.
What is CVE-2018-0280?
The vulnerability arises from inadequate validation of incoming RTP bitstreams by the Cisco Meeting Server, allowing an attacker to disrupt audio and video services by causing crashes in the media process, leading to a DoS situation.
The Impact of CVE-2018-0280
The vulnerability could be exploited by an unauthorized person not at the server's location, resulting in a DoS scenario where the server becomes unavailable.
Technical Details of CVE-2018-0280
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability in Cisco Meeting Server Media Services allows an attacker to send manipulated RTP bitstreams to disrupt audio and video services by causing crashes in the media process.
Affected Systems and Versions
Cisco Meeting Server installations running Software Releases 2.0, 2.1, 2.2, and 2.3 are impacted by this vulnerability.
Exploitation Mechanism
The vulnerability is exploited by sending a crafted RTP bitstream to the affected Cisco Meeting Server, leading to crashes in the media process and ultimately causing a DoS condition.
Mitigation and Prevention
To address CVE-2018-0280, follow these mitigation and prevention steps:
Immediate Steps to Take
- Apply the necessary patches provided by Cisco to address the vulnerability.
- Monitor Cisco's security advisories for updates and recommendations.
Long-Term Security Practices
- Regularly update and patch all software and firmware to prevent vulnerabilities.
- Implement network segmentation and access controls to limit exposure to potential attacks.
Patching and Updates
- Cisco has released patches for the affected software versions. Ensure timely installation of these patches to mitigate the vulnerability.