drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Zwei Probleme in Bind (Aktualisierung)
Name: |
Zwei Probleme in Bind (Aktualisierung) |
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ID: |
USN-4365-2 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 12.04 ESM, Ubuntu 14.04 ESM |
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Datum: |
Do, 21. Mai 2020, 08:20 |
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Referenzen: |
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8616
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8617 |
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Applikationen: |
BIND |
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Update von: |
Zwei Probleme in Bind |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-4365-2 May 20, 2020
bind9 vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 ESM - Ubuntu 12.04 ESM
Summary:
Several security issues were fixed in Bind.
Software Description: - bind9: Internet Domain Name Server
Details:
USN-4365-1 fixed several vulnerabilities in Bind. This update provides the corresponding update for Ubuntu 12.04 ESM and 14.04 ESM. Original advisory details:
Lior Shafir, Yehuda Afek, and Anat Bremler-Barr discovered that Bind incorrectly limited certain fetches. A remote attacker could possibly use this issue to cause Bind to consume resources, leading to a denial of service, or possibly use Bind to perform a reflection attack. (CVE-2020-8616)
Tobias Klein discovered that Bind incorrectly handled checking TSIG validity. A remote attacker could use this issue to cause Bind to crash, resulting in a denial of service, or possibly perform other attacks. (CVE-2020-8617)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 14.04 ESM: bind9 1:9.9.5.dfsg-3ubuntu0.19+esm2
Ubuntu 12.04 ESM: bind9 1:9.8.1.dfsg.P1-4ubuntu0.30
In general, a standard system update will make all the necessary changes.
References: https://usn.ubuntu.com/4365-2 https://usn.ubuntu.com/4365-1 CVE-2020-8616, CVE-2020-8617
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