VDB-160672 · CVE-2020-1886 · GCVE-0-2020-1886

Facebook WhatsApp on Android Video Stream buffer overflow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.7	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Facebook WhatsApp on Android. The affected element is an unknown function. Executing a manipulation as part of Video Stream can lead to buffer overflow. This vulnerability is tracked as CVE-2020-1886. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Facebook WhatsApp on Android (Social Network Software) (affected version unknown) and classified as critical. This vulnerability affects an unknown functionality. The manipulation as part of a Video Stream leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A buffer overflow in WhatsApp for Android prior to v2.20.11 and WhatsApp Business for Android prior to v2.20.2 could have allowed an out-of-bounds write via a specially crafted video stream after receiving and answering a malicious video call.

The weakness was disclosed 09/03/2020 (Website). The advisory is shared for download at whatsapp.com. This vulnerability was named CVE-2020-1886 since 12/02/2019. 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 eliminates this vulnerability.

The entries VDB-160674, VDB-160675 and VDB-160676 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Social Network Software

Vendor

Facebook

Name

License

free

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

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

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / 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 Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/02/2019 🔍
09/03/2020 +276 days 🔍
09/04/2020 +1 days 🔍
11/12/2020 +69 days 🔍

Sourcesinfo

Advisory: whatsapp.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-1886 (🔍)
GCVE (CVE): GCVE-0-2020-1886
GCVE (VulDB): GCVE-100-160672
scip Labs: https://www.scip.ch/en/?labs.20130704
See also: 🔍

Entryinfo

Created: 09/04/2020 06:46
Updated: 11/12/2020 15:57
Changes: 09/04/2020 06:46 (40), 09/04/2020 06:51 (18), 11/12/2020 15:57 (1)
Complete: 🔍
Cache ID: 216::103

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