Meta WhatsApp/WhatsApp Business prior 2.21.22.7 on Android Image Blurring heap-based overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.9 | $0-$5k | 0.00 |
Summary
A vulnerability described as critical has been identified in Meta WhatsApp and WhatsApp Business on Android. Affected by this vulnerability is an unknown functionality of the component Image Blurring Handler. Such manipulation leads to heap-based overflow. This vulnerability is uniquely identified as CVE-2021-24041. The attack can be launched remotely. No exploit exists. Upgrading the affected component is recommended.
Details
A vulnerability was found in Meta WhatsApp and WhatsApp Business on Android (Android App Software) and classified as critical. Affected by this issue is an unknown code block of the component Image Blurring Handler. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is confidentiality, integrity, and availability.
The weakness was disclosed 12/08/2021. The advisory is available at whatsapp.com. This vulnerability is handled as CVE-2021-24041 since 01/13/2021. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.
Upgrading to version 2.21.22.7 eliminates this vulnerability.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.0VulDB Meta Temp Score: 7.9
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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: Heap-based overflowCWE: CWE-122 / 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: 🔍
Upgrade: WhatsApp/WhatsApp Business 2.21.22.7
Timeline
01/13/2021 🔍12/08/2021 🔍
12/08/2021 🔍
12/10/2021 🔍
Sources
Advisory: whatsapp.comStatus: Confirmed
Confirmation: 🔍
CVE: CVE-2021-24041 (🔍)
GCVE (CVE): GCVE-0-2021-24041
GCVE (VulDB): GCVE-100-187682
scip Labs: https://www.scip.ch/en/?labs.20130704
Entry
Created: 12/08/2021 02:07Updated: 12/10/2021 17:17
Changes: 12/08/2021 02:07 (40), 12/10/2021 17:11 (2), 12/10/2021 17:17 (18)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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