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CVE-2020-24331

Published: 13 August 2020

An issue was discovered in TrouSerS through 0.3.14. If the tcsd daemon is started with root privileges, the tss user still has read and write access to the /etc/tcsd.conf file (which contains various settings related to this daemon).

Notes

AuthorNote
mdeslaur
the Debian/Ubuntu package starts tcsd as the tss user, not as
root, so this issue doesn't affect default configurations

Priority

Negligible

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package Release Status
trousers
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

groovy Ignored
(end of life)
hirsute Ignored
(end of life)
impish Ignored
(end of life)
jammy Not vulnerable
(0.3.15-0.2)
kinetic Ignored
(end of life, was needs-triage)
lunar Not vulnerable
(0.3.15-0.3)
mantic Not vulnerable
(0.3.15-0.3)
trusty Does not exist

upstream Needs triage

xenial Needs triage

Severity score breakdown

Parameter Value
Base score 7.8
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H