PT-2023-6441 · Nextcloud+2 · Nextcloud+2

Rullzer · Published 2023-10-16 · Updated 2025-01-24 · CVE-2023-45151

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Nextcloud versions prior to 25.0.8 Nextcloud versions prior to 26.0.3 Nextcloud versions prior to 27.0.1

Description The issue is related to the storage of OAuth2 tokens in plaintext in Nextcloud, allowing an attacker who has gained access to the server to potentially elevate their privilege.

Recommendations For versions prior to 25.0.8, upgrade to version 25.0.8 or later. For versions prior to 26.0.3, upgrade to version 26.0.3 or later. For versions prior to 27.0.1, upgrade to version 27.0.1 or later.

Exploit

Fix

Cleartext Storage of Sensitive Information

Weakness Enumeration

CWE-312

Related Identifiers

ALT-PU-2023-7785

ALT-PU-2025-1855

BDU:2023-07158

CVE-2023-45151

GHSA-HHGV-JCG9-P4M9

Affected Products

Alt Linux

Nextcloud

Red Os

References · 13

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/45xxx/CVE-2023-45151.json · Exploit
• https://github.com/nextcloud/server/pull/38398 · Patch
• https://github.com/nextcloud/security-advisories/security/advisories/GHSA-hhgv-jcg9-p4m9 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-45151 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-07158 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-45151 · Security Note
• https://redos.red-soft.ru/support/secure/uyazvimosti/support/secure/uyazvimosti/mnozhestvennye-uyazvimosti-nextcloud-cve-2023-45148-cve-2023-45151 · Note
• https://hackerone.com/reports/1994324 · Note
• https://twitter.com/CVEnew/status/1713991456094888028 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1714016854652436618 · Twitter Post
• https://redos.red-soft.ru/support/secure/uyazvimosti/mnozhestvennye-uyazvimosti-nextcloud-cve-2023-45148-cve-2023-45151 · Note
• https://twitter.com/IT_securitynews/status/1715300097230053746 · Twitter Post
• https://t.me/cibsecurity/72330 · Telegram Post