Vulnerability Monitor

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CVE-2021-41256

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.

Published

2021-11-30T21:15:08.227

Last Modified

2024-11-21T06:25:54.213

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.8 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:N

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

8.6

Impact Score

4.9

Weaknesses

Type: Primary
CWE-829

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	nextcloud	news	< 0.9.9.63	Yes

References

https://github.com/nextcloud/news-android/blob/master/security/GHSL-2021-1033_Nextcloud_News_for_Android.md Exploit, Third Party Advisory ([email protected])
https://github.com/nextcloud/news-android/commit/05449cb666059af7de2302df9d5c02997a23df85 Patch, Third Party Advisory ([email protected])
https://github.com/nextcloud/news-android/security/advisories/GHSA-2q9v-q3cc-h9f3 Patch, Third Party Advisory ([email protected])
https://github.com/nextcloud/news-android/blob/master/security/GHSL-2021-1033_Nextcloud_News_for_Android.md Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/nextcloud/news-android/commit/05449cb666059af7de2302df9d5c02997a23df85 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/nextcloud/news-android/security/advisories/GHSA-2q9v-q3cc-h9f3 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)