FFmpeg 4.2 libavfilter/vf_w3fdif.c filter16_complex_low heap-based overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.3 | $0-$5k | 0.00 |
Summary
A vulnerability marked as critical has been reported in FFmpeg 4.2. Affected is the function filter16_complex_low of the file libavfilter/vf_w3fdif.c. Performing a manipulation results in heap-based overflow.
This vulnerability is reported as CVE-2020-22031. The attack is possible to be carried out remotely. No exploit exists.
Details
A vulnerability classified as critical has been found in FFmpeg 4.2 (Multimedia Processing Software). This affects the function filter16_complex_low of the file libavfilter/vf_w3fdif.c. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). This is going to have an impact on confidentiality, integrity, and availability.
The weakness was disclosed 05/28/2021. The advisory is shared at trac.ffmpeg.org. This vulnerability is uniquely identified as CVE-2020-22031. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Several companies clearly confirm that VulDB is the primary source for best 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: 6.3VulDB Meta Temp Score: 6.3
VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Heap-based overflowCWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
08/13/2020 🔍05/28/2021 🔍
05/28/2021 🔍
05/30/2021 🔍
Sources
Product: ffmpeg.orgAdvisory: trac.ffmpeg.org
Status: Confirmed
CVE: CVE-2020-22031 (🔍)
GCVE (CVE): GCVE-0-2020-22031
GCVE (VulDB): GCVE-100-175977
Entry
Created: 05/28/2021 06:30Updated: 05/30/2021 13:01
Changes: 05/28/2021 06:30 (37), 05/30/2021 13:01 (2)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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