libwebm prior 2019-03-08 webm_info.cc OutputCluster/OutputTracks null pointer dereference
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.3 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as problematic has been discovered in libwebm. This vulnerability affects the function OutputCluster/OutputTracks of the file webm_info.cc. The manipulation results in null pointer dereference.
This vulnerability is identified as CVE-2019-9746. The attack can be executed remotely. There is not any exploit available.
It is advisable to upgrade the affected component.
Details
A vulnerability classified as problematic has been found in libwebm. Affected is the function OutputCluster/OutputTracks of the file webm_info.cc. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. CVE summarizes:
In libwebm before 2019-03-08, a NULL pointer dereference caused by the functions OutputCluster and OutputTracks in webm_info.cc will trigger an abort, which allows a DoS attack, a similar issue to CVE-2018-19212.
The bug was discovered 03/08/2019. The weakness was released 03/13/2019. This vulnerability is traded as CVE-2019-9746 since 03/13/2019. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit.
Upgrading to version 2019-03-08 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Name
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.4VulDB Meta Temp Score: 6.3
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
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: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
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: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: libwebm 2019-03-08
Timeline
03/08/2019 🔍03/08/2019 🔍
03/13/2019 🔍
03/13/2019 🔍
03/14/2019 🔍
08/01/2023 🔍
Sources
Advisory: bugs.chromium.orgStatus: Not defined
CVE: CVE-2019-9746 (🔍)
GCVE (CVE): GCVE-0-2019-9746
GCVE (VulDB): GCVE-100-131706
Entry
Created: 03/14/2019 07:23Updated: 08/01/2023 09:56
Changes: 03/14/2019 07:23 (54), 05/16/2020 14:19 (1), 08/01/2023 09:56 (4)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
No comments yet. Languages: en.
Please log in to comment.