Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2023-28998

The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server. Starting with version 3.0.0 and prior to version 3.6.5, 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. Users should upgrade the Nextcloud Desktop client to 3.6.5 to receive a patch. No known workarounds are available.

Published

2023-04-04T13:15:08.937

Last Modified

2024-11-21T07:56:21.977

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.7 (MEDIUM)

Weaknesses

Type: Primary
CWE-325

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	nextcloud	desktop	< 3.6.5	Yes

References

https://ethz.ch/content/dam/ethz/special-interest/infk/inst-infsec/appliedcrypto/education/theses/report_DanieleCoppola.pdf Exploit, Technical Description, Third Party Advisory ([email protected])
https://github.com/nextcloud/desktop/pull/5323 Patch, Vendor Advisory ([email protected])
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-jh3g-wpwv-cqgr Vendor Advisory ([email protected])
https://ethz.ch/content/dam/ethz/special-interest/infk/inst-infsec/appliedcrypto/education/theses/report_DanieleCoppola.pdf Exploit, Technical Description, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/nextcloud/desktop/pull/5323 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-jh3g-wpwv-cqgr Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)