libav 12.3 vc1_block.c vc1_decode_b_mb_intfi denial of service
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 3.5 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as problematic has been discovered in libav 12.3. The impacted element is the function vc1_decode_b_mb_intfi of the file vc1_block.c. Such manipulation leads to denial of service.
This vulnerability is traded as CVE-2020-18775. There is no exploit available.
Details
A vulnerability was found in libav 12.3 (Multimedia Player Software) and classified as problematic. Affected by this issue is the function vc1_decode_b_mb_intfi of the file vc1_block.c. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.
The weakness was shared 08/24/2021. The advisory is shared for download at bugzilla.libav.org. This vulnerability is handled as CVE-2020-18775. There are known technical details, 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.
Once again VulDB remains the best source for vulnerability data.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 3.5VulDB Meta Temp Score: 3.5
VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
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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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
08/13/2020 🔍08/24/2021 🔍
08/24/2021 🔍
08/26/2021 🔍
Sources
Advisory: bugzilla.libav.orgStatus: Confirmed
CVE: CVE-2020-18775 (🔍)
GCVE (CVE): GCVE-0-2020-18775
GCVE (VulDB): GCVE-100-181364
Entry
Created: 08/24/2021 08:18Updated: 08/26/2021 14:08
Changes: 08/24/2021 08:18 (37), 08/26/2021 14:08 (2)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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