CVE-2020-24331

trousers: TrouSerS is an implementation of the Trusted Computing Group's Software Stack (TSS) specification

CVE-2020-24331 is fixed in 3 products on 1 platform, first by RHSA-2021:1627, released May 18, 2021. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
7.8
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0049
42nd percentile

TrouSerS is an implementation of the Trusted Computing Group's Software Stack (TSS) specification. TrouSerS enables the user to write applications that make use of the Trusted Platform Module (TPM) hardware. The following packages have been upgraded to a later upstream version: trousers (0.3.15). (BZ#1725782) Security Fix(es): * trousers: tss user still has read and write access to the /etc/tcsd.conf file if tcsd is started as root (CVE-2020-24331) * trousers: tss user can be used to create or corrupt existing files, this could lead to DoS (CVE-2020-24332) * trousers: fails to drop the root gid privilege when no longer needed (CVE-2020-24330) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.4 Release Notes linked from the References section.

Where it's fixed

ProductFixed inFixReleased
Linux
trousers · RHEL 8 0:0.3.15-1.el8 RHSA-2021:1627 May 18, 2021
trousers · ol 8 0:0.3.15-1.el8 ELSA-2021-1627 May 25, 2021
trousers-devel · RHEL 8 0:0.3.15-1.el8 RHSA-2021:1627 May 18, 2021
trousers-devel · ol 8 0:0.3.15-1.el8 ELSA-2021-1627 May 25, 2021
trousers-lib · RHEL 8 0:0.3.15-1.el8 RHSA-2021:1627 May 18, 2021
trousers-lib · ol 8 0:0.3.15-1.el8 ELSA-2021-1627 May 25, 2021