CVE-2018-21015: Null Pointer Dereference
First published: Mon Sep 16 2019(Updated: )
AVC_DuplicateConfig() at isomedia/avc_ext.c in GPAC 0.7.1 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted file. There is "cfg_new->AVCLevelIndication = cfg->AVCLevelIndication;" but cfg could be NULL.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GPAC MP4Box | =0.7.1 | |
| Debian | =8.0 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2018-21015?
CVE-2018-21015 is classified as a denial of service vulnerability due to a NULL pointer dereference.
How do I fix CVE-2018-21015?
To fix CVE-2018-21015, upgrade GPAC to a version higher than 0.7.1.
Who is affected by CVE-2018-21015?
Users of GPAC version 0.7.1 and Debian Linux 8.0 are affected by CVE-2018-21015.
What type of attack does CVE-2018-21015 enable?
CVE-2018-21015 enables remote attackers to cause a denial of service through a crafted file.
What components of GPAC are involved in CVE-2018-21015?
The vulnerability is found in the AVC_DuplicateConfig() function within the isomedia/avc_ext.c file of GPAC.
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