VDB-164261 · CVE-2020-1908 · GCVE-0-2020-1908

Facebook WhatsApp/WhatsApp Business prior 2.20.100 on iOS Siri improper authorization

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.
4.7	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in Facebook WhatsApp and WhatsApp Business on iOS. This impacts an unknown function of the component Siri. The manipulation leads to improper authorization. This vulnerability is documented as CVE-2020-1908. It is possible to launch the attack on the physical device. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Facebook WhatsApp and WhatsApp Business on iOS (Social Network Software). This issue affects some unknown processing of the component Siri. The manipulation with an unknown input leads to a improper authorization vulnerability. Using CWE to declare the problem leads to CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality, integrity, and availability.

The weakness was released 11/04/2020. The advisory is shared at whatsapp.com. The identification of this vulnerability is CVE-2020-1908. The exploitation is known to be easy. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1548.002 for this issue.

Upgrading to version 2.20.100 eliminates this vulnerability.

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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: 4.9
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.1
VulDB Temp Score: 4.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.6
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: Improper authorization
CWE: CWE-285 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: No

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: 🔍

Upgrade: WhatsApp/WhatsApp Business 2.20.100

Timelineinfo

12/02/2019 🔍
11/04/2020 +338 days 🔍
11/04/2020 +0 days 🔍
12/01/2020 +27 days 🔍

Sourcesinfo

Advisory: whatsapp.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-1908 (🔍)
GCVE (CVE): GCVE-0-2020-1908
GCVE (VulDB): GCVE-100-164261

Entryinfo

Created: 11/04/2020 06:49
Updated: 12/01/2020 22:04
Changes: 11/04/2020 06:49 (39), 12/01/2020 22:01 (3), 12/01/2020 22:04 (18)
Complete: 🔍
Cache ID: 216::103