drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Pufferüberlauf in sudo
Name: |
Pufferüberlauf in sudo |
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ID: |
RHSA-2020:0540-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux |
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Datum: |
Di, 18. Februar 2020, 19:01 |
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Referenzen: |
https://access.redhat.com/security/cve/CVE-2019-18634 |
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Applikationen: |
sudo |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
===================================================================== Red Hat Security Advisory
Synopsis: Important: sudo security update Advisory ID: RHSA-2020:0540-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:0540 Issue date: 2020-02-18 CVE Names: CVE-2019-18634 =====================================================================
1. Summary:
An update for sudo is now available for Red Hat Enterprise Linux 7.
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 Client (v. 7) - x86_64 Red Hat Enterprise Linux Client Optional (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64 Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - x86_64 Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64
3. Description:
The sudo packages contain the sudo utility which allows system administrators to provide certain users with the permission to execute privileged commands, which are used for system management purposes, without having to log in as root.
Security Fix(es):
* sudo: Stack based buffer overflow when pwfeedback is enabled (CVE-2019-18634)
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/):
1796944 - CVE-2019-18634 sudo: Stack based buffer overflow when pwfeedback is enabled
6. Package List:
Red Hat Enterprise Linux Client (v. 7):
Source: sudo-1.8.23-4.el7_7.2.src.rpm
x86_64: sudo-1.8.23-4.el7_7.2.x86_64.rpm sudo-debuginfo-1.8.23-4.el7_7.2.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64: sudo-debuginfo-1.8.23-4.el7_7.2.i686.rpm sudo-debuginfo-1.8.23-4.el7_7.2.x86_64.rpm sudo-devel-1.8.23-4.el7_7.2.i686.rpm sudo-devel-1.8.23-4.el7_7.2.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source: sudo-1.8.23-4.el7_7.2.src.rpm
x86_64: sudo-1.8.23-4.el7_7.2.x86_64.rpm sudo-debuginfo-1.8.23-4.el7_7.2.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
x86_64: sudo-debuginfo-1.8.23-4.el7_7.2.i686.rpm sudo-debuginfo-1.8.23-4.el7_7.2.x86_64.rpm sudo-devel-1.8.23-4.el7_7.2.i686.rpm sudo-devel-1.8.23-4.el7_7.2.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: sudo-1.8.23-4.el7_7.2.src.rpm
ppc64: sudo-1.8.23-4.el7_7.2.ppc64.rpm sudo-debuginfo-1.8.23-4.el7_7.2.ppc64.rpm
ppc64le: sudo-1.8.23-4.el7_7.2.ppc64le.rpm sudo-debuginfo-1.8.23-4.el7_7.2.ppc64le.rpm
s390x: sudo-1.8.23-4.el7_7.2.s390x.rpm sudo-debuginfo-1.8.23-4.el7_7.2.s390x.rpm
x86_64: sudo-1.8.23-4.el7_7.2.x86_64.rpm sudo-debuginfo-1.8.23-4.el7_7.2.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
ppc64: sudo-debuginfo-1.8.23-4.el7_7.2.ppc.rpm sudo-debuginfo-1.8.23-4.el7_7.2.ppc64.rpm sudo-devel-1.8.23-4.el7_7.2.ppc.rpm sudo-devel-1.8.23-4.el7_7.2.ppc64.rpm
ppc64le: sudo-debuginfo-1.8.23-4.el7_7.2.ppc64le.rpm sudo-devel-1.8.23-4.el7_7.2.ppc64le.rpm
s390x: sudo-debuginfo-1.8.23-4.el7_7.2.s390.rpm sudo-debuginfo-1.8.23-4.el7_7.2.s390x.rpm sudo-devel-1.8.23-4.el7_7.2.s390.rpm sudo-devel-1.8.23-4.el7_7.2.s390x.rpm
x86_64: sudo-debuginfo-1.8.23-4.el7_7.2.i686.rpm sudo-debuginfo-1.8.23-4.el7_7.2.x86_64.rpm sudo-devel-1.8.23-4.el7_7.2.i686.rpm sudo-devel-1.8.23-4.el7_7.2.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source: sudo-1.8.23-4.el7_7.2.src.rpm
x86_64: sudo-1.8.23-4.el7_7.2.x86_64.rpm sudo-debuginfo-1.8.23-4.el7_7.2.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
x86_64: sudo-debuginfo-1.8.23-4.el7_7.2.i686.rpm sudo-debuginfo-1.8.23-4.el7_7.2.x86_64.rpm sudo-devel-1.8.23-4.el7_7.2.i686.rpm sudo-devel-1.8.23-4.el7_7.2.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-2019-18634 https://access.redhat.com/security/updates/classification/#important
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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