drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Denial of Service in LibVNCServer
Name: |
Denial of Service in LibVNCServer |
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ID: |
USN-4636-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 20.10 |
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Datum: |
Di, 17. November 2020, 21:49 |
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Referenzen: |
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25708 |
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Applikationen: |
LibVNCServer |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-4636-1 November 17, 2020
libvncserver, vino vulnerability ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 20.10 - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS
Summary:
LibVNCServer and Vino could be made to crash.
Software Description: - vino: VNC server for GNOME - libvncserver: vnc server library
Details:
It was discovered that LibVNCServer incorrectly handled certain internals. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.
Vino package ships with a LibVNCServer source and all listed releases were affected for this package.
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 20.10: vino 3.22.0-6ubuntu2.1
Ubuntu 20.04 LTS: libvncclient1 0.9.12+dfsg-9ubuntu0.3 libvncserver1 0.9.12+dfsg-9ubuntu0.3 vino 3.22.0-5ubuntu2.2
Ubuntu 18.04 LTS: libvncclient1 0.9.11+dfsg-1ubuntu1.4 libvncserver1 0.9.11+dfsg-1ubuntu1.4 vino 3.22.0-3ubuntu1.2
Ubuntu 16.04 LTS: libvncclient1 0.9.10+dfsg-3ubuntu0.16.04.6 libvncserver1 0.9.10+dfsg-3ubuntu0.16.04.6 vino 3.8.1-0ubuntu9.4
In general, a standard system update will make all the necessary changes.
References: https://usn.ubuntu.com/4636-1 CVE-2020-25708
Package Information: https://launchpad.net/ubuntu/+source/vino/3.22.0-6ubuntu2.1 https://launchpad.net/ubuntu/+source/libvncserver/0.9.12+dfsg-9ubuntu0.3 https://launchpad.net/ubuntu/+source/vino/3.22.0-5ubuntu2.2 https://launchpad.net/ubuntu/+source/libvncserver/0.9.11+dfsg-1ubuntu1.4 https://launchpad.net/ubuntu/+source/vino/3.22.0-3ubuntu1.2 https://launchpad.net/ubuntu/+source/libvncserver/0.9.10+dfsg-3ubuntu0.16.04.6 https://launchpad.net/ubuntu/+source/vino/3.8.1-0ubuntu9.4
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