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)
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Ubuntu | 20.04 | noarch | bind9 | < 1:9.16.1-0ubuntu2.3 | UNKNOWN |
Ubuntu | 20.04 | noarch | bind9-dbgsym | < 1:9.16.1-0ubuntu2.3 | UNKNOWN |
Ubuntu | 20.04 | noarch | bind9-dnsutils | < 1:9.16.1-0ubuntu2.3 | UNKNOWN |
Ubuntu | 20.04 | noarch | bind9-dnsutils-dbgsym | < 1:9.16.1-0ubuntu2.3 | UNKNOWN |
Ubuntu | 20.04 | noarch | bind9-doc | < 1:9.16.1-0ubuntu2.3 | UNKNOWN |
Ubuntu | 20.04 | noarch | bind9-host | < 1:9.16.1-0ubuntu2.3 | UNKNOWN |
Ubuntu | 20.04 | noarch | bind9-host-dbgsym | < 1:9.16.1-0ubuntu2.3 | UNKNOWN |
Ubuntu | 20.04 | noarch | bind9-libs | < 1:9.16.1-0ubuntu2.3 | UNKNOWN |
Ubuntu | 20.04 | noarch | bind9-libs-dbgsym | < 1:9.16.1-0ubuntu2.3 | UNKNOWN |
Ubuntu | 20.04 | noarch | bind9-utils | < 1:9.16.1-0ubuntu2.3 | UNKNOWN |