Medium severity · published Nov 25, 2022
CVE-2022-41926
Nextcloud Talk Android broadcast incorrect permission handling
5.5
CVSS
0.3%
EPSS
No
On KEV
Description
Nextcould talk android is the android OS implementation of the nextcloud talk chat system. In affected versions the receiver is not protected by broadcastPermission allowing malicious apps to monitor communication. It is recommended that the Nextcloud Talk Android is upgraded to 14.1.0. There are no known workarounds for this issue.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 21% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SE
security-advisories · nextcloud
< 14.1.0 · source: vendor
TA
Talk · Nextcloud
before 14.1.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-41926
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-41926
Third Party Advisory
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-564v-3rfc-352m
Patch
https://github.com/nextcloud/talk-android/pull/2148
Permissions Required
https://hackerone.com/reports/1596459
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