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Red Hat Enterprise Linux 8 RHSA-2021:1627-01 Moderate TrouSerS Bug Fix

An update for TrouSerS is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Moderate: trousers security, bug fix, and enhancement update Advisory ID: RHSA-2021:1627-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:1627 Issue date: 2021-05-18 CVE Names: CVE-2020-24330 CVE-2020-24331 CVE-2020-24332 ==================================================================== 1. Summary: An update for TrouSerS is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. 2. Relevant releases/architectures: Red Hat CodeReady Linux Builder (v. 8) - aarch64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64 3. Description: 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 longerneeded (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. 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 5. Bugs fixed (https://bugzilla.redhat.com/): 1870052 - CVE-2020-24332 trousers: tss user can be used to create or corrupt existing files, this could lead to DoS 1870054 - CVE-2020-24330 trousers: fails to drop the root gid privilege when no longer needed 1870056 - CVE-2020-24331 trousers: tss user still has read and write access to the /etc/tcsd.conf file if tcsd is started as root 6. Package List: Red Hat Enterprise Linux BaseOS (v.8): Source: trousers-0.3.15-1.el8.src.rpm aarch64: trousers-0.3.15-1.el8.aarch64.rpm trousers-debuginfo-0.3.15-1.el8.aarch64.rpm trousers-debugsource-0.3.15-1.el8.aarch64.rpm trousers-lib-0.3.15-1.el8.aarch64.rpm trousers-lib-debuginfo-0.3.15-1.el8.aarch64.rpm ppc64le: trousers-0.3.15-1.el8.ppc64le.rpm trousers-debuginfo-0.3.15-1.el8.ppc64le.rpm trousers-debugsource-0.3.15-1.el8.ppc64le.rpm trousers-lib-0.3.15-1.el8.ppc64le.rpm trousers-lib-debuginfo-0.3.15-1.el8.ppc64le.rpm s390x: trousers-0.3.15-1.el8.s390x.rpm trousers-debuginfo-0.3.15-1.el8.s390x.rpm trousers-debugsource-0.3.15-1.el8.s390x.rpm trousers-lib-0.3.15-1.el8.s390x.rpm trousers-lib-debuginfo-0.3.15-1.el8.s390x.rpm x86_64: trousers-0.3.15-1.el8.x86_64.rpm trousers-debuginfo-0.3.15-1.el8.i686.rpm trousers-debuginfo-0.3.15-1.el8.x86_64.rpm trousers-debugsource-0.3.15-1.el8.i686.rpm trousers-debugsource-0.3.15-1.el8.x86_64.rpm trousers-lib-0.3.15-1.el8.i686.rpm trousers-lib-0.3.15-1.el8.x86_64.rpm trousers-lib-debuginfo-0.3.15-1.el8.i686.rpm trousers-lib-debuginfo-0.3.15-1.el8.x86_64.rpm Red Hat CodeReady Linux Builder (v. 8): aarch64: trousers-debuginfo-0.3.15-1.el8.aarch64.rpm trousers-debugsource-0.3.15-1.el8.aarch64.rpm trousers-devel-0.3.15-1.el8.aarch64.rpm trousers-lib-debuginfo-0.3.15-1.el8.aarch64.rpm ppc64le: trousers-debuginfo-0.3.15-1.el8.ppc64le.rpm trousers-debugsource-0.3.15-1.el8.ppc64le.rpm trousers-devel-0.3.15-1.el8.ppc64le.rpm trousers-lib-debuginfo-0.3.15-1.el8.ppc64le.rpm s390x: trousers-debuginfo-0.3.15-1.el8.s390x.rpm trousers-debugsource-0.3.15-1.el8.s390x.rpm trousers-devel-0.3.15-1.el8.s390x.rpm trousers-lib-debuginfo-0.3.15-1.el8.s390x.rpm x86_64: trousers-debuginfo-0.3.15-1.el8.i686.rpm trousers-debuginfo-0.3.15-1.el8.x86_64.rpm trousers-debugsource-0.3.15-1.el8.i686.rpm trousers-debugsource-0.3.15-1.el8.x86_64.rpm trousers-devel-0.3.15-1.el8.i686.rpm trousers-devel-0.3.15-1.el8.x86_64.rpm trousers-lib-debuginfo-0.3.15-1.el8.i686.rpm trousers-lib-debuginfo-0.3.15-1.el8.x86_64.rpm These packages are GPG signed byRed Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/ 7. References: https://access.redhat.com/security/cve/CVE-2020-24330 https://access.redhat.com/security/cve/CVE-2020-24331 https://access.redhat.com/security/cve/CVE-2020-24332 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.4_release_notes/ 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2021 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYKPuZ9zjgjWX9erEAQgeORAAi8Flr4B2TeBUQzlylX3CSkjQabVS9L4x LoM/WgN4LRne5zKXPDEB00IKjHUgTu+CAn4Gy3/eEW1RlqdF0p+LPepDViXhodJi 7Cy3LA5d9nflsCWguTMva6rdQaiUWX/QWvPZQ4RIG+4fVvzbrciEqAtcTMbjoxCp rjguHui3TNW5Eb8X4EZP/nDhLi4ewVKQ0R1IBbQenbVNooqf1qkmwnUoFzCqh/GC dHns38gQKAfboMLXbT/c1kjZsP07h/CKcDTiovLdsQ1EGRMQg/6eMYOd71FNUSKY ISQ8jipRLh58P8oFLMJQaYG8fdf9YaRgw5K6Kc2olHgo0H9aYbXpzQuB3PPjDy0Y /6g+qdQgGK8oj0tGZFQ3if7GGcbvi2lXEcQKtLYzzN3N/92jwz9WQoftKdBVIpGb hs1FZCHzkmaL99S2cU8GlzZwV4pDYx7avbYeERXAzBQLK/nc2/GRIz+XNLgrcfBI BAM2R5cLZdokJToaUdTDh/IwBYAXSrNb7mGxrylmjLJe1+ealRKuA2VJy6tXciLS OJAeGezLxJS3qJPYX04i4M9TqDDB+1/qVeRD8pKd/KD8GrFm29txXsrjmO6XovNK Bz5sdhEchljuBz7ZFBM988Llnu18cpfnxL+yRVGeVNa+FKxTcmdD3YhEmNmCiSuI gjfV+myeYZQ=/Mlc -----END PGP SIGNATURE----- -- RHSA-announce mailing list This email address is being protected from spambots. You need JavaScript enabled to view it. https://listman.redhat.com/mailman/listinfo/rhsa-announce . SUSE unveils new enhancements for openSUSE Leap 15.3, tackling medium-level vulnerabilities and urgent patches, boosting overall stability.. TrouserS, Red Hat, Security Advisory, Bug Fix, Linux Security. . LinuxSecurity.com Team

May 18, 2021 Red Hat