Headline
RHSA-2023:1586: Red Hat Security Advisory: pesign security update
An update for pesign is now available for Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions. 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:
2023-04-04
Updated:
2023-04-04
RHSA-2023:1586 - 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 8.1 Update Services for SAP Solutions.
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 - Update Services for SAP Solutions 8.1 x86_64
Fixes
- BZ - 2135420 - CVE-2022-3560 pesign: Local privilege escalation on pesign systemd service
Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.1
SRPM
pesign-0.112-25.el8_1.1.src.rpm
SHA-256: c957cb6fd6f56e5e7f0297318647914fd3fd1edd98590110846cb5288027bb08
x86_64
pesign-0.112-25.el8_1.1.x86_64.rpm
SHA-256: 1c7e48230b2d2d2431ba48da0ce7ecbea8c1ee958b005eb97e629635fbbdc422
pesign-debuginfo-0.112-25.el8_1.1.x86_64.rpm
SHA-256: 1dfe86b36377bbdd9cedc5237b4440a81f635733617b9c61255598132b022a4c
pesign-debugsource-0.112-25.el8_1.1.x86_64.rpm
SHA-256: a93e2e13605d594cc009bddc328c450769f8be23ccecca8fc95616d4a6e0524f
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.