VulnerabilityModified
CVE-2023-39957
Nextcloud Talk Android allows users to place video and audio calls through Nextcloud on Android.
HIGH 7.8EPSS 0.37%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.37%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Nextcloud Talk Android allows users to place video and audio calls through Nextcloud on Android. Prior to version 17.0.0, an unprotected intend allowed malicious third party apps to trick the Talk Android app into writing files outside of its intended cache directory. Nextcloud Talk Android version 17.0.0 has a patch for this issue. No known workarounds are available.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 0.37% probability · 30th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- nextcloud/talk
- Source
- security-advisories@github.com
References
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-36f7-93f3-mcfjPatch, Vendor Advisory
- https://github.com/nextcloud/talk-android/pull/3064Patch
- https://hackerone.com/reports/1997029Issue Tracking, Third Party Advisory
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-36f7-93f3-mcfjPatch, Vendor Advisory
- https://github.com/nextcloud/talk-android/pull/3064Patch
- https://hackerone.com/reports/1997029Issue Tracking, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.