Ubuntu.comUB:CVE-2023-28999CVE-2023-28999
CVSS3
Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
LOW
CVSS:3.1/AV:P/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:L
EPSS
Percentile
47.8%
Nextcloud is an open-source productivity platform. In Nextcloud Desktop
client 3.0.0 until 3.8.0, Nextcloud Android app 3.13.0 until 3.25.0, and
Nextcloud iOS app 3.0.5 until 4.8.0, a malicious server administrator can
gain full access to an end-to-end encrypted folder. They can decrypt files,
recover the folder structure and add new files. This issue is fixed in
Nextcloud Desktop 3.8.0, Nextcloud Android 3.25.0, and Nextcloud iOS 4.8.0.
No known workarounds are available.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 20.04 | noarch | nextcloud-desktop | < any | UNKNOWN |
| ubuntu | 22.04 | noarch | nextcloud-desktop | < any | UNKNOWN |
| ubuntu | 24.04 | noarch | nextcloud-desktop | < any | UNKNOWN |
References
ethz.ch/content/dam/ethz/special-interest/infk/inst-infsec/appliedcrypto/education/theses/report_DanieleCoppola.pdf
github.com/nextcloud/desktop/pull/5560
github.com/nextcloud/security-advisories/security/advisories/GHSA-8875-wxww-3rr8
launchpad.net/bugs/cve/CVE-2023-28999
nvd.nist.gov/vuln/detail/CVE-2023-28999
security-tracker.debian.org/tracker/CVE-2023-28999
www.cve.org/CVERecord?id=CVE-2023-28999
Related
CVSS3
Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
LOW
CVSS:3.1/AV:P/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:L
EPSS
Percentile
47.8%