CVE-2018-9841 Explained : Impact and Mitigation
Discover the impact of CVE-2018-9841, a vulnerability in FFmpeg up to version 3.4.2. Learn about the exploitation mechanism and mitigation steps to secure your systems.
A vulnerability exists in the export function of libavfilter/vf_signature.c in FFmpeg up to version 3.4.2. This vulnerability could potentially allow remote attackers to cause a denial of service by triggering out-of-array access, or may have other unspecified impacts, by exploiting a lengthy filename.
Understanding CVE-2018-9841
This CVE entry describes a vulnerability in FFmpeg that could be exploited by remote attackers to cause a denial of service or other impacts.
What is CVE-2018-9841?
The vulnerability in the export function of libavfilter/vf_signature.c in FFmpeg up to version 3.4.2 allows remote attackers to trigger out-of-array access, potentially leading to a denial of service or other unspecified impacts by using a lengthy filename.
The Impact of CVE-2018-9841
The vulnerability could result in a denial of service condition or other unspecified impacts when exploited by remote attackers.
Technical Details of CVE-2018-9841
This section provides more technical insights into the CVE-2018-9841 vulnerability.
Vulnerability Description
The export function in libavfilter/vf_signature.c in FFmpeg through 3.4.2 allows remote attackers to cause a denial of service (out-of-array access) or possibly have unspecified other impact via a long filename.
Affected Systems and Versions
- Product: FFmpeg
- Vendor: N/A
- Versions affected: Up to version 3.4.2
Exploitation Mechanism
The vulnerability can be exploited by remote attackers through the export function of libavfilter/vf_signature.c in FFmpeg using a lengthy filename.
Mitigation and Prevention
Protect your systems from CVE-2018-9841 with the following steps:
Immediate Steps to Take
- Apply patches or updates provided by FFmpeg.
- Implement network security measures to prevent remote exploitation.
Long-Term Security Practices
- Regularly update FFmpeg to the latest version.
- Monitor security advisories for any new vulnerabilities.
Patching and Updates
Ensure timely installation of patches and updates released by FFmpeg to address CVE-2018-9841.