CVE-2022-39346
LOWNextcloud Server < 22.2.10 - Denial of Service via Uncontrolled Display Name Length
Title source: llmDescription
Nextcloud server is an open source personal cloud server. Affected versions of nextcloud server did not properly limit user display names which could allow a malicious users to overload the backing database and cause a denial of service. It is recommended that the Nextcloud Server is upgraded to 22.2.10, 23.0.7 or 24.0.3. There are no known workarounds for this issue.
References (6)
Core 6
Core References
Third Party Advisory
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6w9f-jgjx-4vj6
Patch, Third Party Advisory
https://github.com/nextcloud/server/pull/33052
Permissions Required, Third Party Advisory
https://hackerone.com/reports/1588562
Mailing List, Third Party Advisory vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42TARDPRPBTI5TJRBYRVVQGTL6KWRCV5/
Mailing List, Third Party Advisory vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TRAER4DCCHHSUDFHQ6LTIH4JEJFF73IU/
Mailing List, Third Party Advisory vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R32L3P53AQKQQC652LA5U3AWFTZKPDK3/
Scores
CVSS v3
3.5
EPSS
0.0227
EPSS Percentile
84.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-400
CWE-20
Status
published
Products (5)
fedoraproject/fedora
35
fedoraproject/fedora
36
fedoraproject/fedora
37
nextcloud/nextcloud_enterprise_server
< 22.2.10
nextcloud/nextcloud_server
< 22.2.10
Published
Nov 25, 2022
Tracked Since
Feb 18, 2026