PT-2017-10153 · Owncloud+1 · Owncloud Server+1

Bugdiscloseguy · Publicado 2017-03-28 · Atualizado 2019-10-09 · CVE-2016-9462

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Média

Vetor base

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Name of the Vulnerable Software and Affected Versions Nextcloud Server versions prior to 9.0.52 ownCloud Server versions prior to 9.0.4

Description The issue arises from improper verification of restore privileges when restoring a file. Specifically, the restore capability was not checking if a user has only read-only access to a share, allowing a user with read-only access to restore old versions.

Recommendations For Nextcloud Server versions prior to 9.0.52, update to version 9.0.52 or later to resolve the issue. For ownCloud Server versions prior to 9.0.4, update to version 9.0.4 or later to resolve the issue.

Exploit

Correção

Improper Access Control

Enumeração de Fraquezas

CWE-284

CWE-275

Identificadores relacionados

CVE-2016-9462

Produtos afetados

Nextcloud Server

Owncloud Server

Referências · 12

• 🔥 https://hackerone.com/reports/146067 · Exploit
• https://github.com/nextcloud/server/commit/1208953ba1d4d55a18a639846bbcdd66a2d5bc5e · Correção
• https://github.com/owncloud/core/commit/23383080731d092e079986464a8c4c9ffcb79f4c · Correção
• https://github.com/owncloud/core/commit/d31720b6f1e8c8dfeb5e8805ab35ad7c8000b2f1 · Correção
• https://github.com/owncloud/core/commit/3b056fa68ce502ceb0db9b446dab3b9e7b10dd13 · Correção
• https://github.com/owncloud/core/commit/c93eca49c32428ece03dd67042772d5fa62c8d6e · Correção
• https://nextcloud.com/security/advisory/?id=nc-sa-2016-005 · Aviso do Fabricante
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9462 · Nota
• https://osv.dev/vulnerability/CVE-2016-9462 · Aviso do Fabricante
• http://securityfocus.com/bid/97285 · Nota
• https://owncloud.org/security/advisory/?id=oc-sa-2016-015 · Aviso do Fabricante
• https://nvd.nist.gov/vuln/detail/CVE-2016-9462 · Nota de Segurança