Facebook WhatsApp on iOS/Android Video File integer underflow

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 (≈)
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Facebook WhatsApp on iOS/Android. It has been classified as critical. Affected is an unknown function of the component Video File Handler. The manipulation leads to integer underflow. This vulnerability is uniquely identified as CVE-2022-27492. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Facebook WhatsApp on iOS/Android (Social Network Software) (unknown version) and classified as critical. This issue affects an unknown code block of the component Video File Handler. The manipulation with an unknown input leads to a integer underflow vulnerability. Using CWE to declare the problem leads to CWE-191. The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An integer underflow in WhatsApp could have caused remote code execution when receiving a crafted video file.

The weakness was disclosed 09/23/2022. The advisory is shared at whatsapp.com. The identification of this vulnerability is CVE-2022-27492 since 03/21/2022. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/23/2025).

Upgrading 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: 7.0
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Integer underflow
CWE: CWE-191 / CWE-189
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: 🔍

Timelineinfo

03/21/2022 🔍
09/23/2022 +185 days 🔍
09/23/2022 +0 days 🔍
05/23/2025 +972 days 🔍

Sourcesinfo

Advisory: whatsapp.com
Status: Confirmed

CVE: CVE-2022-27492 (🔍)
GCVE (CVE): GCVE-0-2022-27492
GCVE (VulDB): GCVE-100-209417
scip Labs: https://www.scip.ch/en/?labs.20130704

Entryinfo

Created: 09/23/2022 19:58
Updated: 05/23/2025 00:36
Changes: 09/23/2022 19:58 (40), 10/23/2022 07:20 (11), 05/23/2025 00:36 (15)
Complete: 🔍
Cache ID: 216::103

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

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