drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Pufferüberlauf in libvncserver
Name: |
Pufferüberlauf in libvncserver |
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ID: |
RHSA-2020:3281-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux |
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Datum: |
Mo, 3. August 2020, 23:49 |
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Referenzen: |
https://access.redhat.com/security/cve/CVE-2017-18922 |
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Applikationen: |
LibVNCServer |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
===================================================================== Red Hat Security Advisory
Synopsis: Important: libvncserver security update Advisory ID: RHSA-2020:3281-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:3281 Issue date: 2020-08-03 CVE Names: CVE-2017-18922 =====================================================================
1. Summary:
An update for libvncserver 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 Server (v. 7) - ppc64le, x86_64 Red Hat Enterprise Linux Server Optional (v. 7) - ppc64le, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - x86_64 Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64
3. Description:
LibVNCServer is a C library that enables you to implement VNC server functionality into own programs.
Security Fix(es):
* libvncserver: websocket decoding buffer overflow (CVE-2017-18922)
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/):
1852356 - CVE-2017-18922 libvncserver: websocket decoding buffer overflow
6. Package List:
Red Hat Enterprise Linux Client (v. 7):
Source: libvncserver-0.9.9-14.el7_8.1.src.rpm
x86_64: libvncserver-0.9.9-14.el7_8.1.i686.rpm libvncserver-0.9.9-14.el7_8.1.x86_64.rpm libvncserver-debuginfo-0.9.9-14.el7_8.1.i686.rpm libvncserver-debuginfo-0.9.9-14.el7_8.1.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64: libvncserver-debuginfo-0.9.9-14.el7_8.1.i686.rpm libvncserver-debuginfo-0.9.9-14.el7_8.1.x86_64.rpm libvncserver-devel-0.9.9-14.el7_8.1.i686.rpm libvncserver-devel-0.9.9-14.el7_8.1.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: libvncserver-0.9.9-14.el7_8.1.src.rpm
ppc64le: libvncserver-0.9.9-14.el7_8.1.ppc64le.rpm libvncserver-debuginfo-0.9.9-14.el7_8.1.ppc64le.rpm
x86_64: libvncserver-0.9.9-14.el7_8.1.i686.rpm libvncserver-0.9.9-14.el7_8.1.x86_64.rpm libvncserver-debuginfo-0.9.9-14.el7_8.1.i686.rpm libvncserver-debuginfo-0.9.9-14.el7_8.1.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
ppc64le: libvncserver-debuginfo-0.9.9-14.el7_8.1.ppc64le.rpm libvncserver-devel-0.9.9-14.el7_8.1.ppc64le.rpm
x86_64: libvncserver-debuginfo-0.9.9-14.el7_8.1.i686.rpm libvncserver-debuginfo-0.9.9-14.el7_8.1.x86_64.rpm libvncserver-devel-0.9.9-14.el7_8.1.i686.rpm libvncserver-devel-0.9.9-14.el7_8.1.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source: libvncserver-0.9.9-14.el7_8.1.src.rpm
x86_64: libvncserver-0.9.9-14.el7_8.1.i686.rpm libvncserver-0.9.9-14.el7_8.1.x86_64.rpm libvncserver-debuginfo-0.9.9-14.el7_8.1.i686.rpm libvncserver-debuginfo-0.9.9-14.el7_8.1.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
x86_64: libvncserver-debuginfo-0.9.9-14.el7_8.1.i686.rpm libvncserver-debuginfo-0.9.9-14.el7_8.1.x86_64.rpm libvncserver-devel-0.9.9-14.el7_8.1.i686.rpm libvncserver-devel-0.9.9-14.el7_8.1.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-2017-18922 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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