CVE-2020-24332 Information

Description

An issue was discovered in TrouSerS through 0.3.14. If the tcsd daemon is started with root privileges the creation of the system.data file is prone to symlink attacks. The tss user can be used to create or corrupt existing files which could possibly lead to a DoS attack.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Reference

http://www.openwall.com/lists/oss-security/2020/08/14/1 https://bugzilla.suse.com/show_bug.cgi?id=1164472 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SSDL7COIFCZQMUBNAASNMKMX7W5JUHRD/ https://seclists.org/oss-sec/2020/q2/att-135/tcsd_fixes.patch https://sourceforge.net/p/trousers/mailman/message/37015817/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5