PT-2023-8426 · Nextcloud+1 · Nextcloud Server+1

Nickvergessen · Publicado 2022-10-28 · Atualizado 2023-04-01 · CVE-2023-25817

Positive Technologies (AI Summary)

CVSS v2.0

8.5

Alta

Vetor base

AV:N/AC:L/Au:S/C:N/I:C/A:C

Name of the Vulnerable Software and Affected Versions Nextcloud Server versions 24.0.0 through 24.0.8

Description The issue is related to incorrect permission assignment for files, allowing a user to escalate their permissions and delete files they were not supposed to delete, but only view or download. This can be exploited by a remote attacker to delete arbitrary files.

Recommendations For Nextcloud Server versions 24.0.0 through 24.0.8, upgrade to version 24.0.9 to address the issue. At the moment, there is no information about other workarounds for this issue.

Exploit

Correção

Incorrect Permission

Improper Preservation of Permissions

Enumeração de Fraquezas

CWE-732

CWE-281

Identificadores relacionados

ALT-PU-2022-2949

ALT-PU-2023-1056

BDU:2024-00710

CVE-2023-25817

GHSA-8V5C-F752-FGPV

Produtos afetados

Alt Linux

Nextcloud Server

Referências · 24

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/39xxx/CVE-2022-39364.json · Exploit
• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/41xxx/CVE-2022-41969.json · Exploit
• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/39xxx/CVE-2022-39330.json · Exploit
• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/41xxx/CVE-2022-41968.json · Exploit
• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/39xxx/CVE-2022-39329.json · Exploit
• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/25xxx/CVE-2023-25817.json · Exploit
• https://github.com/nextcloud/server/pull/33941 · Correção
• https://github.com/nextcloud/security-advisories/security/advisories/GHSA-8v5c-f752-fgpv · Aviso do Fabricante
• https://github.com/nextcloud/sharepoint/issues/141 · Nota
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-39329 · Nota de Segurança
• https://hackerone.com/reports/1702864 · Nota
• https://errata.altlinux.org/ALT-PU-2022-2949 · Aviso do Fabricante
• https://packages.altlinux.org/ru/vuln/CVE-2023-25817 · Nota
• https://bdu.fstec.ru/vul/2024-00710 · Nota de Segurança
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-39330 · Nota de Segurança