CVE-2021-4043: Motion Spell GPAC Null Pointer Dereference Vulnerability
First published: Fri Feb 04 2022(Updated: )
Motion Spell GPAC contains a null pointer dereference vulnerability that could allow a local attacker to cause a denial-of-service (DoS) condition.
Credit: security@huntr.dev security@huntr.dev
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/gpac | 0.5.2-426-gc5ad4e4+dfsg5-5 1.0.1+dfsg1-4+deb11u3 2.2.1+dfsg1-3 | |
| GPAC | ||
| GPAC MP4Box | <1.1.0 | |
| Debian | =11.0 |
Remedy
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://huntr.dev/bounties/d7a534cb-df7a-48ba-8ce3-46b1551a9c47
- https://github.com/gpac/gpac/issues/2092
- https://github.com/gpac/gpac/commit/64a2e1b799352ac7d7aad1989bc06e7b0f2b01db
- https://github.com/gpac/gpac/commit/bc1704db1523eb3161af90da44b8394d4512855f
- https://security-tracker.debian.org/tracker/CVE-2021-4043
- https://www.debian.org/security/2023/dsa-5411
- https://nvd.nist.gov/vuln/detail/CVE-2021-4043
- https://www.bleepingcomputer.com/news/security/linux-malware-perfctl-behind-years-long-cryptomining-campaign/
Frequently Asked Questions
What is the severity of CVE-2021-4043?
CVE-2021-4043 is classified as a high severity vulnerability due to its potential to cause a denial-of-service condition.
How do I fix CVE-2021-4043?
To fix CVE-2021-4043, upgrade the GPAC library to version 1.1.0 or later.
Who is affected by CVE-2021-4043?
CVE-2021-4043 affects users of GPAC versions prior to 1.1.0.
What type of vulnerability is CVE-2021-4043?
CVE-2021-4043 is a null pointer dereference vulnerability.
Can CVE-2021-4043 be exploited remotely?
CVE-2021-4043 requires local access to exploit the null pointer dereference vulnerability.
- collector/security-tracker-debian
- agent/type
- agent/weakness
- agent/severity
- agent/first-publish-date
- agent/remedy
- agent/description
- agent/author
- agent/title
- collector/bleeping-computer
- source/BleepingComputer
- alias/CVE-2023-33246
- alias/CVE-2021-4034
- alias/CVE-2021-4043
- agent/references
- agent/event
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/trending
- agent/source
- exploited/true
- collector/cisa-known-exploited
- source/CISA
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- collector/nvd-cve
- source/NVD
- collector/nvd-api
- package-manager/debian
- vendor/motion spell
- canonical/gpac
- vendor/gpac
- canonical/gpac mp4box
- vendor/debian
- canonical/debian
- version/debian/11.0