Headline
RHSA-2023:1829: Red Hat Security Advisory: pesign security update
An update for pesign is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. 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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
Related CVEs:
- CVE-2022-3560: A flaw was found in pesign. The pesign package provides a systemd service used to start the pesign daemon. This service unit runs a script to set ACLs for /etc/pki/pesign and /run/pesign directories to grant access privileges to users in the ‘pesign’ group. However, the script doesn’t check for symbolic links. This could allow an attacker to gain access to privileged files and directories via a path traversal attack.
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Issued:
2023-04-18
Updated:
2023-04-18
RHSA-2023:1829 - Security Advisory
- Overview
- Updated Packages
Synopsis
Important: pesign security update
Type/Severity
Security Advisory: Important
Red Hat Insights patch analysis
Identify and remediate systems affected by this advisory.
View affected systems
Topic
An update for pesign is now available for Red Hat Enterprise Linux 8.6 Extended Update Support.
Red Hat Product Security has rated this update as having a security impact of Important. 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.
Description
The pesign packages provide the pesign utility for signing UEFI binaries as well as other associated tools.
Security Fix(es):
- pesign: Local privilege escalation on pesign systemd service (CVE-2022-3560)
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.
Affected Products
- Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.6 x86_64
- Red Hat Enterprise Linux Server - AUS 8.6 x86_64
- Red Hat Enterprise Linux Server - TUS 8.6 x86_64
- Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.6 aarch64
- Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.6 x86_64
Fixes
- BZ - 2135420 - CVE-2022-3560 pesign: Local privilege escalation on pesign systemd service
Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.6
SRPM
pesign-0.112-27.el8_6.src.rpm
SHA-256: e9f456e5487627b9a0da580e3d7603dc113d84e1d6cd12cba017f67e6622d2ff
x86_64
pesign-0.112-27.el8_6.x86_64.rpm
SHA-256: 05bc9ee483e51aa571449faa8c4f000e76563e5339189c2b71517a170942394e
pesign-debuginfo-0.112-27.el8_6.x86_64.rpm
SHA-256: a8f8fd487b78feb3edf08f92c9008e0923117bb283911832f672004e5d1d02e3
pesign-debugsource-0.112-27.el8_6.x86_64.rpm
SHA-256: 9eceb30ff97c204ed99a6a3622d05c065dce11257238b0e20d627ea37c5987b3
Red Hat Enterprise Linux Server - AUS 8.6
SRPM
pesign-0.112-27.el8_6.src.rpm
SHA-256: e9f456e5487627b9a0da580e3d7603dc113d84e1d6cd12cba017f67e6622d2ff
x86_64
pesign-0.112-27.el8_6.x86_64.rpm
SHA-256: 05bc9ee483e51aa571449faa8c4f000e76563e5339189c2b71517a170942394e
pesign-debuginfo-0.112-27.el8_6.x86_64.rpm
SHA-256: a8f8fd487b78feb3edf08f92c9008e0923117bb283911832f672004e5d1d02e3
pesign-debugsource-0.112-27.el8_6.x86_64.rpm
SHA-256: 9eceb30ff97c204ed99a6a3622d05c065dce11257238b0e20d627ea37c5987b3
Red Hat Enterprise Linux Server - TUS 8.6
SRPM
pesign-0.112-27.el8_6.src.rpm
SHA-256: e9f456e5487627b9a0da580e3d7603dc113d84e1d6cd12cba017f67e6622d2ff
x86_64
pesign-0.112-27.el8_6.x86_64.rpm
SHA-256: 05bc9ee483e51aa571449faa8c4f000e76563e5339189c2b71517a170942394e
pesign-debuginfo-0.112-27.el8_6.x86_64.rpm
SHA-256: a8f8fd487b78feb3edf08f92c9008e0923117bb283911832f672004e5d1d02e3
pesign-debugsource-0.112-27.el8_6.x86_64.rpm
SHA-256: 9eceb30ff97c204ed99a6a3622d05c065dce11257238b0e20d627ea37c5987b3
Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.6
SRPM
pesign-0.112-27.el8_6.src.rpm
SHA-256: e9f456e5487627b9a0da580e3d7603dc113d84e1d6cd12cba017f67e6622d2ff
aarch64
pesign-0.112-27.el8_6.aarch64.rpm
SHA-256: 78fef24fe28b4e3d0be05baa0b45616d7ef75e63b4cfaf3b633e384f44fb148f
pesign-debuginfo-0.112-27.el8_6.aarch64.rpm
SHA-256: f1e2d1daeb534f1c57acad16baefea10cff0d08679635e6eca7292aa89beaf20
pesign-debugsource-0.112-27.el8_6.aarch64.rpm
SHA-256: 22ce84679507f2de35c73c9c06406418dd5e56a60eb4a56e5cd63f81f20e46bc
Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.6
SRPM
pesign-0.112-27.el8_6.src.rpm
SHA-256: e9f456e5487627b9a0da580e3d7603dc113d84e1d6cd12cba017f67e6622d2ff
x86_64
pesign-0.112-27.el8_6.x86_64.rpm
SHA-256: 05bc9ee483e51aa571449faa8c4f000e76563e5339189c2b71517a170942394e
pesign-debuginfo-0.112-27.el8_6.x86_64.rpm
SHA-256: a8f8fd487b78feb3edf08f92c9008e0923117bb283911832f672004e5d1d02e3
pesign-debugsource-0.112-27.el8_6.x86_64.rpm
SHA-256: 9eceb30ff97c204ed99a6a3622d05c065dce11257238b0e20d627ea37c5987b3
The Red Hat security contact is [email protected]. More contact details at https://access.redhat.com/security/team/contact/.
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A flaw was found in pesign. The pesign package provides a systemd service used to start the pesign daemon. This service unit runs a script to set ACLs for /etc/pki/pesign and /run/pesign directories to grant access privileges to users in the 'pesign' group. However, the script doesn't check for symbolic links. This could allow an attacker to gain access to privileged files and directories via a path traversal attack.