CVE-2017-11399 : Exploit Details and Defense Strategies
Learn about CVE-2017-11399, an integer overflow vulnerability in FFmpeg versions 2.4 to 3.3.2, allowing remote attackers to initiate denial of service attacks. Find out the impacted systems and mitigation steps.
FFmpeg versions 2.4 to 3.3.2 are vulnerable to an integer overflow issue in the ape_decode_frame function, potentially leading to a denial of service attack. Learn about the impact, affected systems, and mitigation steps.
Understanding CVE-2017-11399
What is CVE-2017-11399?
The ape_decode_frame function in FFmpeg versions 2.4 to 3.3.2 is prone to an integer overflow vulnerability, exploitable by remote attackers through a specially crafted APE file.
The Impact of CVE-2017-11399
This vulnerability can allow attackers to trigger a denial of service attack, causing application crashes or other unspecified impacts.
Technical Details of CVE-2017-11399
Vulnerability Description
The ape_decode_frame function in libavcodec/apedec.c in FFmpeg versions 2.4 through 3.3.2 is susceptible to an integer overflow vulnerability.
Affected Systems and Versions
- Product: n/a
- Vendor: n/a
- Versions: 2.4 to 3.3.2
Exploitation Mechanism
Attackers can exploit this vulnerability by using a specially crafted APE file to trigger the integer overflow, leading to a denial of service attack.
Mitigation and Prevention
Immediate Steps to Take
- Update FFmpeg to a non-vulnerable version.
- Avoid opening untrusted APE files.
Long-Term Security Practices
- Regularly update software and libraries to patch known vulnerabilities.
- Implement network security measures to prevent remote attacks.
- Conduct regular security assessments and audits.
Patching and Updates
Apply patches provided by FFmpeg to address the integer overflow vulnerability in the ape_decode_frame function.