CVE-2023-28835
CVSS V2 None
CVSS V3 None
Description
Nextcloud server is an open source home cloud implementation. In affected versions the generated fallback password when creating a share was using a weak complexity random number generator, so when the sharer did not change it the password could be guessable to an attacker willing to brute force it. It is recommended that the Nextcloud Server is upgraded to 24.0.10 or 25.0.4. This issue only affects users who do not have a password policy enabled, so enabling a password policy is an effective mitigation for users unable to upgrade.
Overview
- CVE ID
- CVE-2023-28835
- Assigner
- security-advisories@github.com
- Vulnerability Status
- Analyzed
- Published Version
- 2023-03-30T19:15:07
- Last Modified Date
- 2023-04-07T15:02:10
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* | 1 | OR | 23.0.0 | 23.0.14 |
| cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:* | 1 | OR | 24.0.0 | 24.0.10 |
| cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* | 1 | OR | 24.0.0 | 24.0.10 |
| cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:* | 1 | OR | 25.0.0 | 25.0.4 |
| cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* | 1 | OR | 25.0.0 | 25.0.4 |
References
| Reference URL | Reference Tags |
|---|---|
| https://github.com/nextcloud/security-advisories/security/advisories/GHSA-7w2p-rp9m-9xp9 | Vendor Advisory |
| https://github.com/nextcloud/server/pull/36093 | Issue Tracking Patch |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2023-28835 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-28835 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2023-04-17 03:55:53 | Added to TrackCVE | |||
| 2023-04-17 03:55:56 | Weakness Enumeration | new |