Facebook WhatsApp/WhatsApp Business prior 2.20.111 on iOS Video Call use after free
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.7 | $0-$5k | 0.00 |
Summary
A vulnerability classified as problematic was found in Facebook WhatsApp and WhatsApp Business on iOS. Affected is an unknown function of the component Video Call Handler. The manipulation results in use after free. This vulnerability is reported as CVE-2020-1909. The attack can be launched remotely. No exploit exists. Upgrading the affected component is advised.
Details
A vulnerability, which was classified as problematic, was found in Facebook WhatsApp and WhatsApp Business on iOS (Social Network Software). Affected is an unknown function of the component Video Call Handler. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on availability.
The weakness was disclosed 11/04/2020. The advisory is available at whatsapp.com. This vulnerability is traded as CVE-2020-1909. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.
Upgrading to version 2.20.111 eliminates this vulnerability.
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Product
Type
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.1VulDB Meta Temp Score: 6.9
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Use after freeCWE: CWE-416 / CWE-119
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: WhatsApp/WhatsApp Business 2.20.111
Timeline
12/02/2019 🔍11/04/2020 🔍
11/04/2020 🔍
12/01/2020 🔍
Sources
Advisory: whatsapp.comStatus: Confirmed
Confirmation: 🔍
CVE: CVE-2020-1909 (🔍)
GCVE (CVE): GCVE-0-2020-1909
GCVE (VulDB): GCVE-100-164262
Entry
Created: 11/04/2020 06:54Updated: 12/01/2020 22:13
Changes: 11/04/2020 06:54 (39), 12/01/2020 22:08 (3), 12/01/2020 22:13 (18)
Complete: 🔍
Cache ID: 216::103
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