drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Ausführen von Code mit höheren Privilegien in polkit
Name: |
Ausführen von Code mit höheren Privilegien in polkit |
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ID: |
RHSA-2022:0272-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux |
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Datum: |
Mi, 26. Januar 2022, 06:55 |
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Referenzen: |
https://access.redhat.com/security/vulnerabilities/RHSB-2022-001
https://access.redhat.com/security/cve/CVE-2021-4034 |
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Applikationen: |
policykit |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
===================================================================== Red Hat Security Advisory
Synopsis: Important: polkit security update Advisory ID: RHSA-2022:0272-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2022:0272 Issue date: 2022-01-25 CVE Names: CVE-2021-4034 =====================================================================
1. Summary:
An update for polkit is now available for Red Hat Enterprise Linux 7.4 Advanced 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.
2. Relevant releases/architectures:
Red Hat Enterprise Linux Server AUS (v. 7.4) - noarch, x86_64
3. Description:
The polkit packages provide a component for controlling system-wide privileges. This component provides a uniform and organized way for non-privileged processes to communicate with privileged ones.
Security Fix(es):
* polkit: Local privilege escalation in pkexec due to incorrect handling of argument vector (CVE-2021-4034)
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.
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/):
2025869 - CVE-2021-4034 polkit: Local privilege escalation in pkexec due to incorrect handling of argument vector
6. Package List:
Red Hat Enterprise Linux Server AUS (v. 7.4):
Source: polkit-0.112-12.el7_4.2.src.rpm
noarch: polkit-docs-0.112-12.el7_4.2.noarch.rpm
x86_64: polkit-0.112-12.el7_4.2.i686.rpm polkit-0.112-12.el7_4.2.x86_64.rpm polkit-debuginfo-0.112-12.el7_4.2.i686.rpm polkit-debuginfo-0.112-12.el7_4.2.x86_64.rpm polkit-devel-0.112-12.el7_4.2.i686.rpm polkit-devel-0.112-12.el7_4.2.x86_64.rpm
These packages are GPG signed by Red 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-2021-4034 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/security/vulnerabilities/RHSB-2022-001
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/
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