PT-2023-22074 · Nextcloud+2 · Nextcloud Desktop Client+2

Daniele Coppola + 3 · Publicado 2023-04-04 · Atualizado 2023-08-30 · CVE-2023-28998

Positive Technologies (AI Summary)

CVSS v3.1

6.7

Média

Vetor base

AV:P/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N

Name of the Vulnerable Software and Affected Versions Nextcloud Desktop Client versions 3.0.0 through 3.6.4

Description A malicious server administrator can gain full access to an end-to-end encrypted folder, allowing them to decrypt files, recover the folder structure, and add new files.

Recommendations For Nextcloud Desktop Client versions 3.0.0 through 3.6.4, upgrade to version 3.6.5 to receive a patch.

Exploit

Correção

Enumeração de Fraquezas

CWE-325

Identificadores relacionados

ALT-PU-2023-2019

ALT-PU-2023-4584

ALT-PU-2023-5197

CVE-2023-28998

GHSA-JH3G-WPWV-CQGR

Produtos afetados

Alt Linux

Debian

Nextcloud Desktop Client

Referências · 12

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/28xxx/CVE-2023-28998.json · Exploit
• 🔥 https://ethz.ch/content/dam/ethz/special-interest/infk/inst-infsec/appliedcrypto/education/theses/report_DanieleCoppola.pdf · Exploit
• https://github.com/nextcloud/desktop/pull/5323 · Aviso do Fabricante
• https://github.com/nextcloud/security-advisories/security/advisories/GHSA-jh3g-wpwv-cqgr · Aviso do Fabricante
• https://t.me/cibsecurity/61394 · Publicação no Telegram
• https://cve.org/CVERecord?id=CVE-2023-28998 · Nota de Segurança
• https://osv.dev/vulnerability/CVE-2023-28998 · Aviso do Fabricante
• https://ubuntu.com/security/CVE-2023-28998 · Aviso do Fabricante
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-28998 · Aviso do Fabricante
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-28998 · Aviso do Fabricante
• https://nvd.nist.gov/vuln/detail/CVE-2023-28998 · Nota de Segurança
• https://security-tracker.debian.org/tracker/CVE-2023-28998 · Aviso do Fabricante