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CVE-2020-8622

Status Candidate

Overview

In BIND 9.0.0 -> 9.11.21, 9.12.0 -> 9.16.5, 9.17.0 -> 9.17.3, also affects 9.9.3-S1 -> 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker on the network path for a TSIG-signed request, or operating the server receiving the TSIG-signed request, could send a truncated response to that request, triggering an assertion failure, causing the server to exit. Alternately, an off-path attacker would have to correctly guess when a TSIG-signed request was sent, along with other characteristics of the packet and message, and spoof a truncated response to trigger an assertion failure, causing the server to exit.

Related Files

Red Hat Security Advisory 2020-5118-01
Posted Nov 24, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-5118-01 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2019-20811, CVE-2019-20907, CVE-2020-14331, CVE-2020-14363, CVE-2020-14422, CVE-2020-15586, CVE-2020-15999, CVE-2020-16845, CVE-2020-25637, CVE-2020-8177, CVE-2020-8622, CVE-2020-8623, CVE-2020-8624
MD5 | 127a063a92799e5c362b7ff9adaa82f9
Red Hat Security Advisory 2020-5203-01
Posted Nov 24, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-5203-01 - The Berkeley Internet Name Domain is an implementation of the Domain Name System protocols. BIND includes a DNS server ; a resolver library ; and tools for verifying that the DNS server is operating correctly.

tags | advisory, protocol
systems | linux, redhat
advisories | CVE-2020-8622, CVE-2020-8623, CVE-2020-8624
MD5 | 3082ea881792b635a1b852c2459835fe
Red Hat Security Advisory 2020-5011-01
Posted Nov 10, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-5011-01 - The Berkeley Internet Name Domain is an implementation of the Domain Name System protocols. BIND includes a DNS server ; a resolver library ; and tools for verifying that the DNS server is operating correctly.

tags | advisory, protocol
systems | linux, redhat
advisories | CVE-2020-8622, CVE-2020-8623, CVE-2020-8624
MD5 | 20e0e91ba5953fd52a4ace31425e52a8
Red Hat Security Advisory 2020-4992-01
Posted Nov 10, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-4992-01 - The Berkeley Internet Name Domain is an implementation of the Domain Name System protocols. BIND includes a DNS server ; a resolver library ; and tools for verifying that the DNS server is operating correctly.

tags | advisory, protocol
systems | linux, redhat
advisories | CVE-2020-8622, CVE-2020-8623
MD5 | 2df526743f6f442491b3a751b481f962
Red Hat Security Advisory 2020-4500-01
Posted Nov 4, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-4500-01 - The Berkeley Internet Name Domain is an implementation of the Domain Name System protocols. BIND includes a DNS server ; a resolver library ; and tools for verifying that the DNS server is operating correctly.

tags | advisory, protocol
systems | linux, redhat
advisories | CVE-2020-8619, CVE-2020-8622, CVE-2020-8623, CVE-2020-8624
MD5 | 3585a2e7b7818681ad2730848080ff11
Red Hat Security Advisory 2020-4183-01
Posted Oct 8, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-4183-01 - The Berkeley Internet Name Domain is an implementation of the Domain Name System protocols. BIND includes a DNS server ; a resolver library ; and tools for verifying that the DNS server is operating correctly.

tags | advisory, protocol
systems | linux, redhat
advisories | CVE-2020-8622
MD5 | 88e4f7a9310d6e47161409b4c19a7155
Gentoo Linux Security Advisory 202008-19
Posted Aug 31, 2020
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202008-19 - Multiple vulnerabilities have been found in BIND, the worst of which could result in a Denial of Service condition. Versions less than 9.16.6 are affected.

tags | advisory, denial of service, vulnerability
systems | linux, gentoo
advisories | CVE-2020-8620, CVE-2020-8621, CVE-2020-8622, CVE-2020-8623, CVE-2020-8624
MD5 | f9bbbe5e6303ce1d526c0692d8ea0820
Ubuntu Security Notice USN-4468-2
Posted Aug 25, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4468-2 - USN-4468-1 fixed a vulnerability in Bind. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. 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. Various other issues were also addressed.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2020-8622
MD5 | d1d4cb9f73bbd30c12006e9157ed351a
Ubuntu Security Notice USN-4468-1
Posted Aug 21, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4468-1 - 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. 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. Various other issues were also addressed.

tags | advisory, remote, denial of service, tcp
systems | linux, ubuntu
advisories | CVE-2020-8620, CVE-2020-8621, CVE-2020-8622, CVE-2020-8623, CVE-2020-8624
MD5 | b7dcb2f5025b482f2cbb92a36354b19b
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