Facebook WhatsApp 2.18.180 on Android Call memory corruption
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.4 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Facebook WhatsApp 2.18.180 on Android and classified as critical. Impacted is an unknown function of the component Call Handler. Executing a manipulation can lead to memory corruption. The identification of this vulnerability is CVE-2018-6339. The attack may be launched remotely. There is no exploit available. It is suggested to upgrade the affected component.
Details
A vulnerability classified as critical was found in Facebook WhatsApp 2.18.180 on Android (Social Network Software). This vulnerability affects an unknown code of the component Call Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
When receiving calls using WhatsApp on Android, a stack allocation failed to properly account for the amount of data being passed in. An off-by-one error meant that data was written beyond the allocated space on the stack. This issue affects WhatsApp for Android starting in version 2.18.180 and was fixed in version 2.18.295. It also affects WhatsApp Business for Android starting in version v2.18.103 and was fixed in version v2.18.150.
The weakness was shared 06/14/2019. This vulnerability was named CVE-2018-6339 since 01/26/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.
Upgrading to version 2.18.295 eliminates this vulnerability.
The entries VDB-136506 and VDB-136505 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.5VulDB Meta Temp Score: 8.4
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
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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: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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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 2.18.295
Timeline
01/26/2018 🔍06/14/2019 🔍
06/15/2019 🔍
09/03/2025 🔍
Sources
Advisory: facebook.comStatus: Confirmed
CVE: CVE-2018-6339 (🔍)
GCVE (CVE): GCVE-0-2018-6339
GCVE (VulDB): GCVE-100-136504
scip Labs: https://www.scip.ch/en/?labs.20130704
See also: 🔍
Entry
Created: 06/15/2019 12:50Updated: 09/03/2025 20:11
Changes: 06/15/2019 12:50 (39), 06/24/2020 14:51 (18), 10/05/2023 11:44 (4), 09/03/2025 20:11 (17)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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