PT-2017-10152 · Owncloud+1 · Owncloud Server+1

Detroitsmash + 1 · Publicado 2017-03-28 · Atualizado 2019-10-09 · CVE-2016-9461

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 edit check permissions on WebDAV copy actions. Specifically, the WebDAV endpoint did not properly check permissions during a WebDAV COPY action. This allowed an authenticated attacker with access to a read-only share to upload new files, although modifying existing files was not possible.

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

Exploit

Correção

Improper Access Control

Enumeração de Fraquezas

CWE-284

CWE-275

Identificadores relacionados

CVE-2016-9461

Produtos afetados

Nextcloud Server

Owncloud Server

Referências · 12

• 🔥 https://hackerone.com/reports/145950 · Exploit
• https://github.com/nextcloud/server/commit/3491400261c1454a9a30d3ec96969573330120cc · Correção
• https://github.com/owncloud/core/commit/c0a4b7b3f38ad2eaf506484b3b92ec678cb021c9 · Correção
• https://github.com/owncloud/core/commit/0622e635d97cb17c5e1363e370bb8268cc3d2547 · Correção
• https://github.com/owncloud/core/commit/121a3304a0c37ccda0e1b63ddc528cba9121a36e · Correção
• https://github.com/owncloud/core/commit/acbbadb71ceee7f01da347f7dcd519beda78cc47 · Correção
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9461 · Nota
• https://nvd.nist.gov/vuln/detail/CVE-2016-9461 · Nota de Segurança
• https://osv.dev/vulnerability/CVE-2016-9461 · Aviso do Fabricante
• https://owncloud.org/security/advisory/?id=oc-sa-2016-014 · Aviso do Fabricante
• https://nextcloud.com/security/advisory/?id=nc-sa-2016-004 · Aviso do Fabricante
• http://securityfocus.com/bid/97276 · Nota