Fedora 33: Security Advisory for Trousers Fixing Critical Access Issues

TrouSerS is an implementation of the Trusted Computing Group's Software Stack

(TSS) specification. You can use TrouSerS to write applications that make use

of your TPM hardware. TPM hardware can create, store and use RSA keys

securely (without ever being exposed in memory), verify a platform's software

state using cryptographic hashes and more.

Security update for trousers. Fixes for the following CVEs, plus a fix for

an annocheck warning. - Fix for CVE-2020-24330 (RHBZ#1874824) - Fix for

CVE-2020-24331 (RHBZ#1870057) - Fix for CVE-2020-24332 (RHBZ#1870053)

* Thu Oct 29 2020 Jerry Snitselaar - 0.3.14-4

- Fix for CVE-2020-24330 (RHBZ#1874824)

- Fix for CVE-2020-24331 (RHBZ#1870057)

- Fix for CVE-2020-24332 (RHBZ#1870053)

[ 1 ] Bug #1870053 - CVE-2020-24332 trousers: tss user can be used to create or corrupt existing files, this could lead to DoS [fedora-all]

https://bugzilla.redhat.com/show_bug.cgi?id=1870053

[ 2 ] Bug #1870057 - CVE-2020-24331 trousers: tss user still has read and write access to the /etc/tcsd.conf file if tcsd is started as root [fedora-all]

https://bugzilla.redhat.com/show_bug.cgi?id=1870057

[ 3 ] Bug #1874824 - CVE-2020-24330 trousers: fails to drop the root gid privilege when no longer needed [fedora-all]

https://bugzilla.redhat.com/show_bug.cgi?id=1874824

su -c 'dnf upgrade --advisory FEDORA-2020-ab3dace708' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

All packages are signed with the Fedora Project GPG key. More details on the

GPG keys used by the Fedora Project can be found at

https://fedoraproject.org/security/

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