Test ID:	1.3.6.1.4.1.25623.1.0.844545
Category:	Ubuntu Local Security Checks
Title:	Ubuntu: Security Advisory (USN-4468-1)
Summary:	The remote host is missing an update for the 'bind9' package(s) announced via the USN-4468-1 advisory.
Description:	Summary: The remote host is missing an update for the 'bind9' package(s) announced via the USN-4468-1 advisory. Vulnerability Insight: 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) Affected Software/OS: 'bind9' package(s) on Ubuntu 16.04, Ubuntu 18.04, Ubuntu 20.04. Solution: Please install the updated package(s). CVSS Score: 5.0 CVSS Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2020-8620 https://kb.isc.org/docs/cve-2020-8620 https://security.gentoo.org/glsa/202008-19 SuSE Security Announcement: openSUSE-SU-2020:1699 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html SuSE Security Announcement: openSUSE-SU-2020:1701 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html https://usn.ubuntu.com/4468-1/ Common Vulnerability Exposure (CVE) ID: CVE-2020-8621 https://kb.isc.org/docs/cve-2020-8621 Common Vulnerability Exposure (CVE) ID: CVE-2020-8622 https://kb.isc.org/docs/cve-2020-8622 https://security.netapp.com/advisory/ntap-20200827-0003/ https://www.synology.com/security/advisory/Synology_SA_20_19 Debian Security Information: DSA-4752 (Google Search) https://www.debian.org/security/2020/dsa-4752 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZKAMJZXR66P6S5LEU4SN7USSNCWTXEXP/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DQN62GBMCIC5AY4KYADGXNKVY6AJKSJE/ https://www.oracle.com/security-alerts/cpuoct2021.html https://lists.debian.org/debian-lts-announce/2020/08/msg00053.html https://usn.ubuntu.com/4468-2/ Common Vulnerability Exposure (CVE) ID: CVE-2020-8623 https://kb.isc.org/docs/cve-2020-8623 Common Vulnerability Exposure (CVE) ID: CVE-2020-8624 https://kb.isc.org/docs/cve-2020-8624
Copyright	Copyright (C) 2020 Greenbone AG

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