CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.4 | $0-$5k | 0.00 |
A vulnerability classified as critical has been found in FFmpeg 4.2.1 (Multimedia Processing Software). Affected is the function filter_robert
of the file libavfilter/vf_convolution.c. The manipulation with an unknown input leads to a integer overflow vulnerability. CWE is classifying the issue as CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. This is going to have an impact on confidentiality, integrity, and availability.
The weakness was published 09/20/2021 as 8263. The advisory is available at trac.ffmpeg.org. This vulnerability is traded as CVE-2021-38093 since 08/04/2021. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.
Applying the patch 99f8d32129dd233d4eb2efa44678a0bc44869f23 is able to eliminate this problem. The bugfix is ready for download at git.ffmpeg.org.
Similar entries are available at VDB-182961, VDB-182967, VDB-182968 and VDB-182969.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.4
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.8
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Integer overflowCWE: CWE-190 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: 99f8d32129dd233d4eb2efa44678a0bc44869f23
Timeline
08/04/2021 🔍09/20/2021 🔍
09/20/2021 🔍
09/29/2021 🔍
Sources
Product: ffmpeg.orgAdvisory: 8263
Status: Confirmed
CVE: CVE-2021-38093 (🔍)
See also: 🔍
Entry
Created: 09/20/2021 21:59Updated: 09/29/2021 13:41
Changes: 09/20/2021 21:59 (42), 09/29/2021 13:36 (1), 09/29/2021 13:41 (18)
Complete: 🔍
Cache ID: 18:54C:103
No comments yet. Languages: en.
Please log in to comment.