CVE-2017-8313 : Security Advisory and Response
Learn about CVE-2017-8313, a heap out-of-bound read vulnerability in ParseJSS in VideoLAN VLC versions before 2.2.5, allowing attackers to crash processes by reading data beyond allocated memory.
A vulnerability exists in ParseJSS in VideoLAN VLC versions prior to 2.2.5, allowing attackers to read data beyond allocated memory, potentially leading to a process crash.
Understanding CVE-2017-8313
What is CVE-2017-8313?
This CVE refers to a heap out-of-bound read vulnerability in ParseJSS in VideoLAN VLC before version 2.2.5 due to a missing check of string termination.
The Impact of CVE-2017-8313
The vulnerability enables attackers to read data beyond allocated memory, potentially causing a denial of service by crashing the process using a crafted subtitles file.
Technical Details of CVE-2017-8313
Vulnerability Description
- Type: Heap out-of-bound read
- Component: ParseJSS in VLC
- Risk: Allows attackers to read data beyond allocated memory
Affected Systems and Versions
- Product: VLC
- Vendor: VideoLAN
- Versions Affected: < 2.2.5
Exploitation Mechanism
- Attackers exploit the missing check for string termination in ParseJSS
- Crafted subtitles file triggers the vulnerability
Mitigation and Prevention
Immediate Steps to Take
- Update VLC to version 2.2.5 or later
- Avoid opening suspicious subtitles files
Long-Term Security Practices
- Regularly update software to patch known vulnerabilities
- Implement robust memory management practices
Patching and Updates
- VideoLAN released version 2.2.5 to address this vulnerability