drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in Bind
Name: |
Mehrere Probleme in Bind |
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ID: |
USN-4929-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 20.10, Ubuntu 21.04 |
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Datum: |
Do, 29. April 2021, 22:29 |
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Referenzen: |
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-25214
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-25215
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-25216 |
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Applikationen: |
BIND |
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Originalnachricht |
This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --===============0272363985459117708== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="mp24m0AeQKt4PepfJS61eoOQFIf69MCMh"
This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --mp24m0AeQKt4PepfJS61eoOQFIf69MCMh Content-Type: multipart/mixed; boundary="ci0hxC3w7kpljnGXLvr3PtYR06lLmCXJH"; 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: <0674be36-4b92-797f-25a1-8c3b116c266f@canonical.com> Subject: [USN-4929-1] Bind vulnerabilities
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========================================================================== Ubuntu Security Notice USN-4929-1 April 29, 2021
bind9 vulnerabilities ==========================================================================
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 - Ubuntu 16.04 LTS
Summary:
Several security issues were fixed in Bind.
Software Description: - bind9: Internet Domain Name Server
Details:
Greg Kuechle discovered that Bind incorrectly handled certain incremental zone updates. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service. (CVE-2021-25214)
Siva Kakarla discovered that Bind incorrectly handled certain DNAME records. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service. (CVE-2021-25215)
It was discovered that Bind incorrectly handled GSSAPI security policy negotiation. A remote attacker could use this issue to cause Bind to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2021-25216)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 21.04: bind9 1:9.16.8-1ubuntu3.1
Ubuntu 20.10: bind9 1:9.16.6-3ubuntu1.2
Ubuntu 20.04 LTS: bind9 1:9.16.1-0ubuntu2.8
Ubuntu 18.04 LTS: bind9 1:9.11.3+dfsg-1ubuntu1.15
Ubuntu 16.04 LTS: bind9 1:9.10.3.dfsg.P4-8ubuntu1.19
In general, a standard system update will make all the necessary changes.
References: https://ubuntu.com/security/notices/USN-4929-1 CVE-2021-25214, CVE-2021-25215, CVE-2021-25216
Package Information: https://launchpad.net/ubuntu/+source/bind9/1:9.16.8-1ubuntu3.1 https://launchpad.net/ubuntu/+source/bind9/1:9.16.6-3ubuntu1.2 https://launchpad.net/ubuntu/+source/bind9/1:9.16.1-0ubuntu2.8 https://launchpad.net/ubuntu/+source/bind9/1:9.11.3+dfsg-1ubuntu1.15 https://launchpad.net/ubuntu/+source/bind9/1:9.10.3.dfsg.P4-8ubuntu1.19
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