PT-2023-22075 · Nextcloud+2 · Nextcloud Ios App+4

Daniele Coppola + 3 · Publicado 2023-04-04 · Atualizado 2023-08-30 · CVE-2023-28999

Positive Technologies (AI Summary)

CVSS v3.1

6.9

Média

Vetor base

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

Name of the Vulnerable Software and Affected Versions Nextcloud Desktop client versions 3.0.0 through 3.8.0 Nextcloud Android app versions 3.13.0 through 3.25.0 Nextcloud iOS app versions 3.0.5 through 4.8.0

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 3.7.0, update to version 3.8.0. For Nextcloud Android app versions 3.13.0 through 3.24.0, update to version 3.25.0. For Nextcloud iOS app versions 3.0.5 through 4.7.0, update to version 4.8.0.

Exploit

Correção

Missing Encryption of Sensitive Data

Enumeração de Fraquezas

CWE-325

CWE-311

Identificadores relacionados

ALT-PU-2023-2019

ALT-PU-2023-4584

ALT-PU-2023-5197

CVE-2023-28999

GHSA-8875-WXWW-3RR8

Produtos afetados

Alt Linux

Debian

Nextcloud Android App

Nextcloud Desktop Client

Nextcloud Ios App

Referências · 45

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/28xxx/CVE-2023-28999.json · Exploit
• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/39xxx/CVE-2022-39331.json · Exploit
• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/39xxx/CVE-2022-39334.json · Exploit
• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/39xxx/CVE-2022-39333.json · Exploit
• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/39xxx/CVE-2022-39332.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/issues/4927 · Nota
• https://github.com/nextcloud/desktop/pull/5560 · Aviso do Fabricante
• https://github.com/nextcloud/security-advisories/security/advisories/GHSA-8875-wxww-3rr8 · Aviso do Fabricante
• https://github.com/nextcloud/security-advisories/security/advisories/GHSA-f5fr-5gcv-6cc5 · Nota
• https://nvd.nist.gov/vuln/detail/CVE-2023-28999 · Nota de Segurança
• https://hackerone.com/reports/1707977 · Nota
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22879 · Nota de Segurança
• https://osv.dev/vulnerability/CVE-2023-28999 · Aviso do Fabricante
• https://hackerone.com/reports/1711847 · Nota