CVSS: 7.5EPSS: 0%CPEs: 9EXPL: 0CVE-2023-25579 – Directory traversal in Nextcloud server
https://notcve.org/view.php?id=CVE-2023-25579
Nextcloud server is a self hosted home cloud product. In affected versions the `OC\Files\Node\Folder::getFullPath()` function was validating and normalizing the string in the wrong order. The function is used in the `newFile()` and `newFolder()` items, which may allow to creation of paths outside of ones own space and overwriting data from other users with crafted paths. This issue has been addressed in versions 25.0.2, 24.0.8, and 23.0.12. Users are advised to upgrade. • https://github.com/nextcloud/security-advisories/security/advisories/GHSA-273v-9h7x-p68v https://github.com/nextcloud/server/pull/35074 • CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') •
CVSS: 5.3EPSS: 0%CPEs: 2EXPL: 1CVE-2023-25162 – Nextcloud Server vulnerable to SSRF via filter bypass due to lax checking on IPs
https://notcve.org/view.php?id=CVE-2023-25162
Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform. Nextcloud Server prior to 24.0.8 and 23.0.12 and Nextcloud Enterprise server prior to 24.0.8 and 23.0.12 are vulnerable to server-side request forgery (SSRF). Attackers can leverage enclosed alphanumeric payloads to bypass IP filters and gain SSRF, which would allow an attacker to read crucial metadata if the server is hosted on the AWS platform. Nextcloud Server 24.0.8 and 23.0.2 and Nextcloud Enterprise Server 24.0.8 and 23.0.12 contain a patch for this issue. No known workarounds are available. • https://github.com/nextcloud/security-advisories/security/advisories/GHSA-mqrx-grp7-244m https://github.com/nextcloud/server/pull/34160 https://hackerone.com/reports/1702864 • CWE-918: Server-Side Request Forgery (SSRF) •
CVSS: 5.3EPSS: 0%CPEs: 3EXPL: 0CVE-2023-25161 – Nextcloud Server's missing rate limiting on password reset functionality allows sending lots of emails
https://notcve.org/view.php?id=CVE-2023-25161
Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform. Nextcloud Server and Nextcloud Enterprise Server prior to versions 25.0.1 24.0.8, and 23.0.12 missing rate limiting on password reset functionality. This could result in service slowdown, storage overflow, or cost impact when using external email services. Users should upgrade to Nextcloud Server 25.0.1, 24.0.8, or 23.0.12 or Nextcloud Enterprise Server 25.0.1, 24.0.8, or 23.0.12 to receive a patch. No known workarounds are available. • https://github.com/nextcloud/security-advisories/security/advisories/GHSA-492h-596q-xr2f https://github.com/nextcloud/server/pull/34632 https://hackerone.com/reports/1691195 • CWE-284: Improper Access Control •
CVSS: 5.3EPSS: 0%CPEs: 5EXPL: 0CVE-2023-25159 – Nextcloud Server previews are accessible without a watermark
https://notcve.org/view.php?id=CVE-2023-25159
Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform, and Nextcloud Office is a document collaboration app for the same platform. Nextcloud Server 24.0.x prior to 24.0.8 and 25.0.x prior to 25.0.1, Nextcloud Enterprise Server 24.0.x prior to 24.0.8 and 25.0.x prior to 25.0.1, and Nextcloud Office (Richdocuments) App 6.x prior to 6.3.1 and 7.x prior to 7.0.1 have previews accessible without a watermark. The download should be hidden and the watermark should get applied. This issue is fixed in Nextcloud Server 25.0.1 and 24.0.8, Nextcloud Enterprise Server 25.0.1 and 24.0.8, and Nextcloud Office (Richdocuments) App 7.0.1 (for 25) and 6.3.1 (for 24). No known workarounds are available. • https://github.com/nextcloud/richdocuments/pull/2579 https://github.com/nextcloud/security-advisories/security/advisories/GHSA-92g2-h5jv-jjmg https://github.com/nextcloud/server/pull/34799 https://hackerone.com/reports/1745755 • CWE-284: Improper Access Control •
CVSS: 5.3EPSS: 0%CPEs: 4EXPL: 0CVE-2022-41970 – Nextcloud Server's disabled download shares still allow download through preview images
https://notcve.org/view.php?id=CVE-2022-41970
Nextcloud Server is an open source personal cloud server. Prior to versions 24.0.7 and 25.0.1, disabled download shares still allow download through preview images. Images could be downloaded and previews of documents (first page) can be downloaded without being watermarked. Versions 24.0.7 and 25.0.1 contain a fix for this issue. No known workarounds are available. • https://github.com/nextcloud/security-advisories/security/advisories/GHSA-9mh6-cph8-772c https://github.com/nextcloud/server/pull/34788 https://hackerone.com/reports/1745766 • CWE-284: Improper Access Control CWE-863: Incorrect Authorization •