Facebook WhatsApp/WhatsApp Business prior 2.20.61 on iOS Unzip denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Facebook WhatsApp and WhatsApp Business on iOS. It has been rated as problematic. Affected is an unknown function of the component Unzip Handler. This manipulation causes denial of service. This vulnerability is tracked as CVE-2020-1903. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Facebook WhatsApp and WhatsApp Business on iOS (Social Network Software) and classified as problematic. Affected by this vulnerability is an unknown function of the component Unzip Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.

The weakness was disclosed 10/07/2020. The advisory is shared at whatsapp.com. This vulnerability is known as CVE-2020-1903. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

Upgrading to version 2.20.61 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

License

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: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: WhatsApp/WhatsApp Business 2.20.61

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-2020-1903 (🔍)
GCVE (CVE): GCVE-0-2020-1903
GCVE (VulDB): GCVE-100-162337

Entryinfo

Created: 10/07/2020 11:08
Updated: 11/17/2020 01:15
Changes: 10/07/2020 11:08 (21), 10/07/2020 11:11 (18), 11/15/2020 10:22 (4), 11/17/2020 01:07 (3), 11/17/2020 01:15 (14)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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