drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Ausführen beliebiger Kommandos in libx11
Name: |
Ausführen beliebiger Kommandos in libx11 |
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ID: |
USN-4966-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 20.10, Ubuntu 21.04 |
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Datum: |
Di, 25. Mai 2021, 21:35 |
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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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Originalnachricht |
This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --===============8259974687062378289== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="8pGDdK3G9PReWs9yq810cXIdU428QbEaj"
This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --8pGDdK3G9PReWs9yq810cXIdU428QbEaj Content-Type: multipart/mixed; boundary="E6HzwVS8gOUTCS72xvsRNOpGgudn4O7wS"; protected-headers="v1" From: Marc Deslauriers <marc.deslauriers@canonical.com> Reply-To: Ubuntu Security <security@ubuntu.com> To: "ubuntu-security-announce@lists.ubuntu.com" <ubuntu-security-announce@lists.ubuntu.com> Message-ID: <8f88ea70-912d-790f-6556-5008c6fcfd9e@canonical.com> Subject: [USN-4966-1] libx11 vulnerability
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========================================================================== Ubuntu Security Notice USN-4966-1 May 25, 2021
libx11 vulnerability ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 21.04 - Ubuntu 20.10 - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS
Summary:
libx11 could allow unintended access to services.
Software Description: - libx11: X11 client-side library
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 21.04: libx11-6 2:1.7.0-2ubuntu0.1
Ubuntu 20.10: libx11-6 2:1.6.12-1ubuntu0.1
Ubuntu 20.04 LTS: libx11-6 2:1.6.9-2ubuntu1.2
Ubuntu 18.04 LTS: libx11-6 2:1.6.4-3ubuntu0.4
After a standard system update you need to reboot your computer to make all the necessary changes.
References: https://ubuntu.com/security/notices/USN-4966-1 CVE-2021-31535
Package Information: https://launchpad.net/ubuntu/+source/libx11/2:1.7.0-2ubuntu0.1 https://launchpad.net/ubuntu/+source/libx11/2:1.6.12-1ubuntu0.1 https://launchpad.net/ubuntu/+source/libx11/2:1.6.9-2ubuntu1.2 https://launchpad.net/ubuntu/+source/libx11/2:1.6.4-3ubuntu0.4
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