Facebook WhatsApp/WhatsApp Business on Android/iOS Decoding Pipeline out-of-bounds write
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.0 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Facebook WhatsApp and WhatsApp Business on Android/iOS. It has been rated as critical. This affects an unknown part of the component Decoding Pipeline Handler. Performing a manipulation results in out-of-bounds write. This vulnerability is known as CVE-2021-24026. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.
Details
A vulnerability, which was classified as critical, was found in Facebook WhatsApp and WhatsApp Business on Android/iOS (Social Network Software) (version unknown). This affects an unknown function of the component Decoding Pipeline Handler. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability.
The weakness was published 04/07/2021. It is possible to read the advisory at whatsapp.com. This vulnerability is uniquely identified as CVE-2021-24026. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.
Upgrading eliminates this vulnerability.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Type
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.3VulDB Meta Temp Score: 6.0
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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: Out-of-bounds writeCWE: CWE-787 / 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 |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
01/13/2021 🔍04/07/2021 🔍
04/07/2021 🔍
04/10/2021 🔍
Sources
Advisory: whatsapp.comStatus: Confirmed
Confirmation: 🔍
CVE: CVE-2021-24026 (🔍)
GCVE (CVE): GCVE-0-2021-24026
GCVE (VulDB): GCVE-100-172515
scip Labs: https://www.scip.ch/en/?labs.20130704
Entry
Created: 04/07/2021 07:39Updated: 04/10/2021 22:23
Changes: 04/07/2021 07:39 (38), 04/10/2021 22:23 (6)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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