drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in Bind
Name: |
Mehrere Probleme in Bind |
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ID: |
USN-4468-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS |
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Datum: |
Fr, 21. August 2020, 18:01 |
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Referenzen: |
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8624
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8621
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8620
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8623
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8622 |
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Applikationen: |
BIND |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-4468-1 August 21, 2020
bind9 vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS
Summary:
Several security issues were fixed in Bind.
Software Description: - bind9: Internet Domain Name Server
Details:
Emanuel Almeida discovered that Bind incorrectly handled certain TCP payloads. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service. This issue only affected Ubuntu 20.04 LTS. (CVE-2020-8620)
Joseph Gullo discovered that Bind incorrectly handled QNAME minimization when used in certain configurations. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service. This issue only affected Ubuntu 20.04 LTS. (CVE-2020-8621)
Dave Feldman, Jeff Warren, and Joel Cunningham discovered that Bind incorrectly handled certain truncated responses to a TSIG-signed request. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service. (CVE-2020-8622)
Lyu Chiy discovered that Bind incorrectly handled certain queries. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service. (CVE-2020-8623)
Joop Boonen discovered that Bind incorrectly handled certain subdomain update-policy rules. A remote attacker granted privileges to change certain parts of a zone could use this issue to change other contents of the zone, contrary to expectations. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-8624)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 20.04 LTS: bind9 1:9.16.1-0ubuntu2.3
Ubuntu 18.04 LTS: bind9 1:9.11.3+dfsg-1ubuntu1.13
Ubuntu 16.04 LTS: bind9 1:9.10.3.dfsg.P4-8ubuntu1.17
In general, a standard system update will make all the necessary changes.
References: https://usn.ubuntu.com/4468-1 CVE-2020-8620, CVE-2020-8621, CVE-2020-8622, CVE-2020-8623, CVE-2020-8624
Package Information: https://launchpad.net/ubuntu/+source/bind9/1:9.16.1-0ubuntu2.3 https://launchpad.net/ubuntu/+source/bind9/1:9.11.3+dfsg-1ubuntu1.13 https://launchpad.net/ubuntu/+source/bind9/1:9.10.3.dfsg.P4-8ubuntu1.17
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