Facebook WhatsApp on Android Push to Talk Message out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.7$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Facebook WhatsApp on Android. Affected is an unknown function of the component Push to Talk Message Handler. Such manipulation leads to out-of-bounds write. This vulnerability is documented as CVE-2020-1894. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Facebook WhatsApp on Android (Social Network Software) (unknown version). It has been rated as critical. Affected by this issue is an unknown code block of the component Push to Talk Message Handler. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A stack write overflow in WhatsApp for Android prior to v2.20.35, WhatsApp Business for Android prior to v2.20.20, WhatsApp for iPhone prior to v2.20.30, and WhatsApp Business for iPhone prior to v2.20.30 could have allowed arbitrary code execution when playing a specially crafted push to talk message.

The weakness was released 09/03/2020 (Website). The advisory is shared for download at whatsapp.com. This vulnerability is handled as CVE-2020-1894 since 12/02/2019. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

Entries connected to this vulnerability are available at VDB-160672, VDB-160674 and VDB-160675. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

License

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
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: 🔍

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-2020-1894 (🔍)
GCVE (CVE): GCVE-0-2020-1894
GCVE (VulDB): GCVE-100-160676
scip Labs: https://www.scip.ch/en/?labs.20130704
See also: 🔍

Entryinfo

Created: 09/04/2020 07:25
Updated: 11/12/2020 16:22
Changes: 09/04/2020 07:25 (40), 09/04/2020 07:30 (18), 11/12/2020 16:22 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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