CVE-2017-7411 Information

Description

An issue was discovered in Enalean Tuleap 9.6 and prior versions. The vulnerability exists because the User::getRecentElements() method is using the unserialize() function with a preference value that can be arbitrarily manipulated by malicious users through the REST API interface and this can be exploited to inject arbitrary PHP objects into the application scope allowing an attacker to perform a variety of attacks (including but not limited to Remote Code Execution).

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

http://karmainsecurity.com/KIS-2017-02 http://packetstormsecurity.com/files/144716/Tuleap-9.6-Second-Order-PHP-Object-Injection.html http://seclists.org/fulldisclosure/2017/Oct/53 http://www.openwall.com/lists/oss-security/2017/10/23/3 https://tuleap.net/plugins/tracker/?aid=10118 https://www.exploit-db.com/exploits/43374/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8