Learn about CVE-2022-29340, a Null Pointer Dereference vulnerability in GPAC 2.1-DEV-rev87-g053aae8-master leading to Denial of Service. Find mitigation steps and prevention measures.
GPAC 2.1-DEV-rev87-g053aae8-master has a Null Pointer Dereference vulnerability in gf_isom_parse_movie_boxes_internal. This vulnerability leads to a Denial of Service and was fixed in commit 37592ad.
Understanding CVE-2022-29340
This CVE identifies a Null Pointer Dereference vulnerability in GPAC 2.1-DEV-rev87-g053aae8-master that can be exploited to cause a Denial of Service.
What is CVE-2022-29340?
CVE-2022-29340 is a vulnerability in GPAC 2.1-DEV-rev87-g053aae8-master that allows an attacker to trigger a Denial of Service by exploiting a Null Pointer Dereference issue in gf_isom_parse_movie_boxes_internal.
The Impact of CVE-2022-29340
The impact of this vulnerability is the potential for a complete Denial of Service on systems running the affected version of GPAC, leading to disruptions and downtime.
Technical Details of CVE-2022-29340
This section provides deeper technical insights into the vulnerability.
Vulnerability Description
The vulnerability arises due to improper handling of GF_SKIP_BOX, causing a Null Pointer Dereference in the gf_isom_parse_movie_boxes_internal function.
Affected Systems and Versions
GPAC 2.1-DEV-rev87-g053aae8-master is affected by this vulnerability. Other specific affected systems or versions are unavailable.
Exploitation Mechanism
To exploit CVE-2022-29340, an attacker would craft a malicious input to trigger the Null Pointer Dereference in gf_isom_parse_movie_boxes_internal.
Mitigation and Prevention
Protecting systems from CVE-2022-29340 requires immediate actions and long-term security practices.
Immediate Steps to Take
Immediately apply the fix provided in commit 37592ad to eliminate the vulnerability. Regularly update GPAC to the latest secure version.
Long-Term Security Practices
Incorporate secure coding practices to prevent Null Pointer Dereference issues. Conduct regular security audits and stay informed about GPAC security updates.
Patching and Updates
Stay vigilant for security advisories from GPAC and promptly apply patches to address known vulnerabilities.