Executive Summary
This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
| Informations | |||
|---|---|---|---|
| Name | CVE-2023-28833 | First vendor Publication | 2023-03-30 |
| Vendor | Cve | Last vendor Modification | 2023-04-07 |
Security-Database Scoring CVSS v3
| Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | |||
|---|---|---|---|
| Overall CVSS Score | 8.8 | ||
| Base Score | 8.8 | Environmental Score | 8.8 |
| impact SubScore | 5.9 | Temporal Score | 8.8 |
| Exploitabality Sub Score | 2.8 | ||
| Attack Vector | Network | Attack Complexity | Low |
| Privileges Required | None | User Interaction | Required |
| Scope | Unchanged | Confidentiality Impact | High |
| Integrity Impact | High | Availability Impact | High |
| Calculate full CVSS 3.0 Vectors scores | |||
Security-Database Scoring CVSS v2
| Cvss vector : | |||
|---|---|---|---|
| Cvss Base Score | N/A | Attack Range | N/A |
| Cvss Impact Score | N/A | Attack Complexity | N/A |
| Cvss Expoit Score | N/A | Authentication | N/A |
| Calculate full CVSS 2.0 Vectors scores | |||
Detail
| Nextcloud server is an open source home cloud implementation. In affected versions admins of a server were able to upload a logo or a favicon and to provided a file name which was not restricted and could overwrite files in the appdata directory. Administrators may have access to overwrite these files by other means but this method could be exploited by tricking an admin into uploading a maliciously named file. It is recommended that the Nextcloud Server is upgraded to 24.0.10 or 25.0.4. Users unable to upgrade should avoid ingesting logo files from untrusted sources. |
Original Source
| Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-28833 |
CWE : Common Weakness Enumeration
| % | Id | Name |
|---|---|---|
| 100 % | CWE-434 | Unrestricted Upload of File with Dangerous Type (CWE/SANS Top 25) |
CPE : Common Platform Enumeration
Sources (Detail)
| Source | Url |
|---|---|
| MISC | https://github.com/nextcloud/security-advisories/security/advisories/GHSA-ch7... https://github.com/nextcloud/server/pull/36095 |
Alert History
| Date | Informations |
|---|---|
| 2024-02-02 02:44:50 |
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| 2024-02-01 12:29:54 |
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| 2023-09-05 13:40:15 |
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| 2023-09-05 01:29:06 |
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| 2023-09-02 13:38:27 |
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| 2023-09-02 01:29:33 |
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| 2023-08-12 13:43:50 |
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| 2023-08-12 01:28:48 |
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| 2023-08-11 13:35:15 |
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| 2023-08-11 01:29:41 |
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| 2023-08-06 13:32:27 |
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| 2023-08-06 01:28:26 |
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| 2023-08-04 13:32:55 |
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| 2023-08-04 01:28:51 |
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| 2023-07-14 13:32:43 |
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| 2023-07-14 01:28:28 |
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| 2023-05-12 02:19:18 |
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| 2023-04-07 21:27:19 |
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| 2023-03-31 17:27:17 |
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| 2023-03-31 00:27:15 |
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