PT-2020-20036 · Openssl+2 · Openssl+2

Published 2020-08-10 · Updated 2022-09-30 · CVE-2020-8224

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Nextcloud Desktop Client version 2.6.4

Description A code injection issue in the Nextcloud Desktop Client allowed the loading of arbitrary code when a malicious OpenSSL configuration was placed in a fixed directory.

Recommendations For Nextcloud Desktop Client version 2.6.4, update to a newer version that contains a fix for this issue. As a temporary workaround, consider restricting access to the fixed directory where the malicious OpenSSL configuration could be placed, to minimize the risk of exploitation.

Exploit

Fix

Code Injection

Weakness Enumeration

CWE-94

Related Identifiers

ALT-PU-2020-2776

CVE-2020-8224

Affected Products

Alt Linux

Nextcloud Desktop Client

Openssl

References · 5

• 🔥 https://hackerone.com/reports/622170 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-8224 · Security Note
• https://osv.dev/vulnerability/CVE-2020-8224 · Vendor Advisory
• https://security.gentoo.org/glsa/202009-09 · Vendor Advisory
• https://nextcloud.com/security/advisory/?id=NC-SA-2020-030 · Vendor Advisory