Facebook WhatsApp Messenger on Android/iOS/Windows Phone/Tizen VoIP Stack SRTCP Packet memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in Facebook WhatsApp Messenger on Android/iOS/Windows Phone/Tizen (Messaging Software) (affected version not known) and classified as critical. Affected by this issue is some unknown processing of the component VoIP Stack. The manipulation as part of a SRTCP Packet leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. Impacted is confidentiality, integrity, and availability.

The bug was discovered 05/13/2019. The weakness was disclosed 05/13/2019 with Facebook as CVE-2019-3568 as confirmed advisory (Facebook). The advisory is shared for download at facebook.com. The public release has been coordinated in cooperation with the vendor. This vulnerability is handled as CVE-2019-3568 since 01/02/2019. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are unknown but a private exploit is available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 06/13/2020). This vulnerability has a historic impact due to its background and reception. The advisory points out:

A buffer overflow vulnerability in WhatsApp VOIP stack allowed remote code execution via specially crafted series of SRTCP packets sent to a target phone number.

It is declared as highly functional. As 0-day the estimated underground price was around $25k-$100k.

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

nytimes.com is providing further details.





CPE 2.3infoedit

CPE 2.2infoedit


VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍



VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍


Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Access: Private
Status: Highly functional

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍


Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍


01/02/2019 🔍
05/13/2019 +131 days 🔍
05/13/2019 +0 days 🔍
05/13/2019 +0 days 🔍
05/14/2019 +1 days 🔍
06/13/2020 +396 days 🔍


Advisory: CVE-2019-3568
Organization: Facebook
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2019-3568 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20130704
Misc.: 🔍


Created: 05/14/2019 11:33 AM
Updated: 06/13/2020 08:51 AM
Changes: (2) vulnerability_discoverydate source_cve_assigned
Complete: 🔍


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