PT-2023-19948 · Nextcloud+2 · Nextcloud Enterprise Server+3

Obitorasu + 1 · Published 2022-10-28 · Updated 2023-02-23 · CVE-2023-25162

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Nextcloud Server versions prior to 24.0.8 and prior to 23.0.12 Nextcloud Enterprise Server versions prior to 24.0.8 and prior to 23.0.12

Description The issue concerns server-side request forgery (SSRF), where attackers can leverage enclosed alphanumeric payloads to bypass IP filters. This would allow an attacker to read crucial metadata if the server is hosted on the AWS platform.

Recommendations For Nextcloud Server versions prior to 24.0.8, update to version 24.0.8 to resolve the issue. For Nextcloud Server versions prior to 23.0.12, update to version 23.0.12 to resolve the issue. For Nextcloud Enterprise Server versions prior to 24.0.8, update to version 24.0.8 to resolve the issue. For Nextcloud Enterprise Server versions prior to 23.0.12, update to version 23.0.12 to resolve the issue.

Exploit

Fix

SSRF

Weakness Enumeration

CWE-918

Related Identifiers

ALT-PU-2022-2949

ALT-PU-2023-1056

CVE-2023-25162

GHSA-MQRX-GRP7-244M

Affected Products

Alt Linux

Aws

Nextcloud Enterprise Server

Nextcloud Server

References · 7

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/25xxx/CVE-2023-25162.json · Exploit
• 🔥 https://hackerone.com/reports/1702864 · Exploit
• https://github.com/nextcloud/security-advisories/security/advisories/GHSA-mqrx-grp7-244m · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-25162 · Security Note
• https://osv.dev/vulnerability/CVE-2023-25162 · Vendor Advisory
• https://github.com/nextcloud/server/pull/34160 · Note
• https://t.me/cibsecurity/58030 · Telegram Post