drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Ausführen beliebiger Kommandos in libx11 (Aktualisierung)
Name: |
Ausführen beliebiger Kommandos in libx11 (Aktualisierung) |
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ID: |
USN-4966-2 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 14.04 ESM, Ubuntu 16.04 ESM |
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Datum: |
Di, 25. Mai 2021, 21:37 |
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Referenzen: |
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31535 |
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Applikationen: |
X11 |
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Update von: |
Ausführen beliebiger Kommandos in libx11 |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-4966-2 May 25, 2021
libx11 vulnerability ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 ESM - Ubuntu 14.04 ESM
Summary:
libx11 could allow unintended access to services.
Software Description: - libx11: X11 client-side library
Details:
USN-4966-1 fixed a vulnerability in libx11. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.
Original advisory details:
It was discovered that libx11 incorrectly validated certain parameter lengths. A remote attacker could possibly use this issue to trick libx11 into emitting extra X protocol requests.
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 16.04 ESM: libx11-6 2:1.6.3-1ubuntu2.2+esm1
Ubuntu 14.04 ESM: libx11-6 2:1.6.2-1ubuntu2.1+esm2
After a standard system update you need to reboot your computer to make all the necessary changes.
References: https://ubuntu.com/security/notices/USN-4966-2 https://ubuntu.com/security/notices/USN-4966-1 CVE-2021-31535
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