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Sicherheit: Mehrere Probleme in Unbound
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Unbound
ID: USN-4938-1
Distribution: Ubuntu
Plattformen: Ubuntu 18.04 LTS, Ubuntu 20.04 LTS
Datum: Do, 6. Mai 2021, 23:48
Referenzen: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-25040
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-25042
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-25034
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-25041
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-25039
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-25035
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-25031
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-25032
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-25036
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-25038
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-25033
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-28935
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-25037
Applikationen: Unbound

Originalnachricht

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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: <c90d5858-8dae-149f-7f3f-103954c9cdd7@canonical.com>
Subject: [USN-4938-1] Unbound vulnerabilities

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==========================================================================
Ubuntu Security Notice USN-4938-1
May 06, 2021

unbound vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

Several security issues were fixed in Unbound.

Software Description:
- unbound: validating, recursive, caching DNS resolver

Details:

It was discovered that Unbound contained multiple security issues. A
remote attacker could possibly use these issues to cause a denial of
service, inject arbitrary commands, execute arbitrary code, and overwrite
local files.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 20.04 LTS:
libunbound8 1.9.4-2ubuntu1.2
unbound 1.9.4-2ubuntu1.2

Ubuntu 18.04 LTS:
libunbound2 1.6.7-1ubuntu2.4
unbound 1.6.7-1ubuntu2.4

In general, a standard system update will make all the necessary changes.

References:
https://ubuntu.com/security/notices/USN-4938-1
CVE-2019-25031, CVE-2019-25032, CVE-2019-25033, CVE-2019-25034,
CVE-2019-25035, CVE-2019-25036, CVE-2019-25037, CVE-2019-25038,
CVE-2019-25039, CVE-2019-25040, CVE-2019-25041, CVE-2019-25042,
CVE-2020-28935

Package Information:
https://launchpad.net/ubuntu/+source/unbound/1.9.4-2ubuntu1.2
https://launchpad.net/ubuntu/+source/unbound/1.6.7-1ubuntu2.4


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