PT-2020-18957 · Os4Ed · Opensis

Published 2020-09-01 · Updated 2022-05-31 · CVE-2020-6143

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions OS4Ed openSIS version 7.4

Description A remote code execution issue exists in the install functionality. The password variable, set at line 122 in install/Step5.php, allows for injection of PHP code into the Data.php file. An attacker can send an HTTP request to the vulnerable endpoint to trigger this issue.

Recommendations For OS4Ed openSIS version 7.4, as a temporary workaround, consider restricting access to the install/Step5.php file until a patch is available. Avoid using the password variable in the affected installation process until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

Code Injection

Weakness Enumeration

CWE-94

CWE-96

Related Identifiers

CVE-2020-6143

Affected Products

Opensis

References · 3

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2020-1083 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-6143 · Security Note
• https://osv.dev/vulnerability/CVE-2020-6143 · Vendor Advisory