QID 239325

Date Published: 2021-05-20

QID 239325: Red Hat Update for trousers (RHSA-2021:1627)

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)

Affected Products:

Red Hat Enterprise Linux for x86_64 8 x86_64
Red Hat Enterprise Linux for IBM z Systems 8 s390x
Red Hat Enterprise Linux for Power, little endian 8 ppc64le
Red Hat Enterprise Linux for ARM 64 8 aarch64
Red Hat CodeReady Linux Builder for x86_64 8 x86_64
Red Hat CodeReady Linux Builder for Power, little endian 8 ppc64le
Red Hat CodeReady Linux Builder for ARM 64 8 aarch64
Red Hat CodeReady Linux Builder for IBM z Systems 8 s390x

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

On successful exploitation, it could allow an attacker to execute code.

  • CVSS V3 rated as High - 7.8 severity.
  • CVSS V2 rated as High - 7.2 severity.
    • Solution
    Upgrade to the latest packages which contain a patch. Refer to Applying Package Updates to RHEL system for details.

    Refer to Red Hat security advisory RHSA-2021:1627 to address this issue and obtain more information.

    Vendor References

    CVEs related to QID 239325

    CVE-2020-24330 | CVE-2020-24331 | CVE-2020-24332 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2021:1627 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2021:1627?language=en
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