Description
An issue was discovered in TrouSerS through 0.3.14. If the tcsd daemon is started with root privileges instead of by the tss user, it fails to drop the root gid privilege when no longer needed.
References (5)
Core 5
Core References
Exploit, Mailing List, 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
7.8
EPSS
0.0049
EPSS Percentile
38.2%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-269
Status
published
Products (2)
fedoraproject/fedora
33
trousers_project/trousers
< 0.3.14
Published
Aug 13, 2020
Tracked Since
Feb 18, 2026