Mehrere Probleme in Bind
ID: | USN-4468-1 |
Distribution: | Ubuntu |
Plattformen: | Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS |
Datum: | Fr, 21. August 2020, 18:01 |
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 |
Applikationen: | BIND |
Originalnachricht |
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This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --===============8995648063789325410== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="jln6YoOWk3ZuBXT1Xqb0rwUtXi1ot67tV" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --jln6YoOWk3ZuBXT1Xqb0rwUtXi1ot67tV Content-Type: multipart/mixed; boundary="3CKEUF5XNpKTTio2QoNEYH4z2BWaozjxC" --3CKEUF5XNpKTTio2QoNEYH4z2BWaozjxC Content-Type: text/plain; charset=utf-8 Content-Language: en-C Content-Transfer-Encoding: quoted-printable ========================================================================== 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 --3CKEUF5XNpKTTio2QoNEYH4z2BWaozjxC-- --jln6YoOWk3ZuBXT1Xqb0rwUtXi1ot67tV Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEEUMSg3c8x5FLOsZtRZWnYVadEvpMFAl8/0gYACgkQZWnYVadE vpOMTA//XrbcpvJ0h8hV2PxES55Iiv0NBymZ0IuZ3HvkH5cLIiTq3OtdGbOsXn7U HM6596Wf/SE/0W5M8UjxOfl0U9n1K6R6Fs5EVc0ifpX/lCpRlAGTDHZcfBkOc/1L LZBO0b/tYp/5OQM91rrcHmcZkhNWet6XuQE+9v1zVvUPgFNeSiEqedof8Jzb/FhH DxdhsNuLQYQRBdWxnSFkKnzjl+JIzl85ruXGU1U82ulKOqRt76VKMTKUuphhp/ZM EBk6N5Zscg0Fg2rr6Lo1iMHUO34tkZf0tnx4GDeypVWHfM/Zm9G4drdM4VLhj9+1 Q08vZW07psNkl+vxFagcJKrXf+zRQYD946cdwmab5BfJ3vDNSyhGYzItTtVZGhS5 Kb489v8ISW42rISlz1deGQHU9e3wBGv0l8P5gHvg0bZpTgk/w/m02wKmQubTAnGU q5Gqb4N5APOvkUXmwCi1i5bdiNOIUI0af3HZ0y267iuipyGpC/pVxcOasi6zBMZY hOHpfd0eCxaHgLBvyvUv1CvdXZ1Ku0Blntz6UrN4ORrGgE/1t21KrPXeUnOfDhih sSTXgc5RlY5U7UQUF8LeEe6i0GMwoeCMDkFMsa0YgGfWqV+MZddFDM8ohYYmEOp3 uTRLRtTTXYkbfeSGpM46HAFjnbA29XFmZtkFNqqEBqLdsGViJhE= =JY6e -----END PGP SIGNATURE----- --jln6YoOWk3ZuBXT1Xqb0rwUtXi1ot67tV-- --===============8995648063789325410== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline LS0gCnVidW50dS1zZWN1cml0eS1hbm5vdW5jZSBtYWlsaW5nIGxpc3QKdWJ1bnR1LXNlY3VyaXR5 LWFubm91bmNlQGxpc3RzLnVidW50dS5jb20KTW9kaWZ5IHNldHRpbmdzIG9yIHVuc3Vic2NyaWJl IGF0OiBodHRwczovL2xpc3RzLnVidW50dS5jb20vbWFpbG1hbi9saXN0aW5mby91YnVudHUtc2Vj dXJpdHktYW5ub3VuY2UK --===============8995648063789325410==-- |