VDB-162340 · CVE-2020-1906 · GCVE-0-2020-1906

Facebook WhatsApp/WhatsApp Business E-AC-3 Audio Stream heap-based 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.
6.4	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in Facebook WhatsApp and WhatsApp Business. This affects an unknown part of the component E-AC-3 Audio Stream Handler. Executing a manipulation can lead to heap-based overflow. This vulnerability is registered as CVE-2020-1906. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Facebook WhatsApp and WhatsApp Business (Social Network Software) (the affected version unknown). It has been declared as critical. This vulnerability affects an unknown part of the component E-AC-3 Audio Stream Handler. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is 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(). As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 10/07/2020. The advisory is shared for download at whatsapp.com. This vulnerability was named CVE-2020-1906. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

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: 6.6
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

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 🔍
10/07/2020 +310 days 🔍
10/07/2020 +0 days 🔍
11/17/2020 +40 days 🔍

Sourcesinfo

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

CVE: CVE-2020-1906 (🔍)
GCVE (CVE): GCVE-0-2020-1906
GCVE (VulDB): GCVE-100-162340

Entryinfo

Created: 10/07/2020 11:18
Updated: 11/17/2020 01:51
Changes: 10/07/2020 11:18 (13), 10/07/2020 11:21 (24), 11/15/2020 10:22 (4), 11/17/2020 01:46 (3), 11/17/2020 01:51 (14)
Complete: 🔍
Cache ID: 216::103