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.
References (5)
Core 5
Core References
Exploit, Mailing List, Mitigation, Third Party Advisory x_refsource_misc
https://sourceforge.net/p/trousers/mailman/message/37015817/
Exploit, Issue Tracking, Third Party Advisory x_refsource_misc
https://bugzilla.suse.com/show_bug.cgi?id=1164472
Mailing List, Patch, Third Party Advisory x_refsource_misc
https://seclists.org/oss-sec/2020/q2/att-135/tcsd_fixes.patch
Exploit, Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2020/08/14/1
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SSDL7COIFCZQMUBNAASNMKMX7W5JUHRD/
Scores
CVSS v3
5.5
EPSS
0.0055
EPSS Percentile
41.8%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-59
Status
published
Products (2)
fedoraproject/fedora
33
trustedcomputinggroup/trousers
< 0.3.14
Published
Aug 13, 2020
Tracked Since
Feb 18, 2026