Ubuntu.comUB:CVE-2020-24330CVE-2020-24330
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.2 High
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
0.001 Low
EPSS
Percentile
19.7%
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.
Bugs
Notes
| Author | Note |
|---|---|
| mdeslaur | the Debian/Ubuntu package starts tcsd as the tss user, not as root, so this issue doesn’t affect default configurations |
References
www.openwall.com/lists/oss-security/2020/08/14/1
launchpad.net/bugs/cve/CVE-2020-24330
nvd.nist.gov/vuln/detail/CVE-2020-24330
seclists.org/oss-sec/2020/q2/att-135/tcsd_fixes.patch
security-tracker.debian.org/tracker/CVE-2020-24330
sourceforge.net/p/trousers/mailman/message/37015817/
www.cve.org/CVERecord?id=CVE-2020-24330
Related
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.2 High
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
0.001 Low
EPSS
Percentile
19.7%