FFmpeg 4.4 libavcodec/dnxhddec.c init_vlc return value
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.3 | $0-$5k | 0.00 |
Summary
A vulnerability was found in FFmpeg 4.4. It has been classified as critical. The affected element is the function init_vlc of the file libavcodec/dnxhddec.c. Performing a manipulation results in return value.
This vulnerability is reported as CVE-2021-38114. No exploit exists.
It is recommended to apply a patch to fix this issue.
Details
A vulnerability was found in FFmpeg 4.4 (Multimedia Processing Software). It has been classified as critical. This affects the function init_vlc of the file libavcodec/dnxhddec.c. The manipulation with an unknown input leads to a return value vulnerability. CWE is classifying the issue as CWE-252. The product does not check the return value from a method or function, which can prevent it from detecting unexpected states and conditions. This is going to have an impact on confidentiality, integrity, and availability.
The weakness was disclosed 08/05/2021 as 7150f9575671f898382c370acae35f9087a30ba1. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2021-38114. Technical details of the vulnerability are known, but there is no available exploit.
Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com.
Be aware that VulDB is the high quality source for vulnerability data.
Product
Type
Name
Version
License
Website
- Product: https://ffmpeg.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.5VulDB Meta Temp Score: 5.3
VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Return valueCWE: CWE-252 / CWE-253
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: github.com
Timeline
08/04/2021 🔍08/05/2021 🔍
08/05/2021 🔍
08/08/2021 🔍
Sources
Product: ffmpeg.orgAdvisory: 7150f9575671f898382c370acae35f9087a30ba1
Status: Confirmed
CVE: CVE-2021-38114 (🔍)
GCVE (CVE): GCVE-0-2021-38114
GCVE (VulDB): GCVE-100-180087
Entry
Created: 08/05/2021 07:16Updated: 08/08/2021 09:14
Changes: 08/05/2021 07:16 (40), 08/08/2021 09:14 (2)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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