Vulnerability · Published Nov 30, 2021 · Assigned by GitHub_M

CVE-2021-41256Intent URI permissions manipulation in nextcloud news-android

Medium 5.8

In plain English

A medium-severity security flaw in news-android from nextcloud. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 66% of all known vulnerabilities).

Severity (CVSS 3.1)5.8Medium

Exploit odds (30 days)1.1%top 33.9% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

nextcloud news-android is an Android client for the Nextcloud news/feed reader app. In affected versions the Nextcloud News for Android app has a security issue by which a malicious application installed on the same device can send it an arbitrary Intent that gets reflected back, unintentionally giving read and write access to non-exported Content Providers in Nextcloud News for Android. Users should upgrade to version 0.9.9.63 or higher as soon as possible.

Affected products (as reported)

Vendor	Product	Versions
nextcloud	news-android	< 0.9.9.63

Weakness: CWE-829 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N

References

https://github.com/nextcloud/news-android/security/advisories/GHSA-2q9v-q3cc-h9f3 x_refsource_CONFIRM
https://github.com/nextcloud/news-android/commit/05449cb666059af7de2302df9d5c02997a23df85 x_refsource_MISC
https://github.com/nextcloud/news-android/blob/master/security/GHSL-2021-1033_Nextcloud_News_for_Android.md x_refsource_MISC