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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
SHA-256 | 252e1d15a3567abb864679496c50326cc1b87ae1d07f0f4efc9f8758ab859038
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
SHA-256 | 50329a39035397f99842c0736e85bed4c8c01c41c61459a70df00e7c3f413a2f
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
SHA-256 | aaf648a3da7817299ff297522b94b3967620cc6d46bede90ffb091bef1c78a17
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
SHA-256 | 427c349502093041505d7cf083ba266acd7af71b03733c28a2e759898ef1f7b2
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
SHA-256 | e678bda456c8ab4bd1358359c13225f21203346b1b97868df7af59f2685d18cb
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
SHA-256 | b7e27e4d3b2cb309a0d980b9d9da161060c37742d3b176636de9878e7f0a9e69
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
SHA-256 | 7e86ed90997a56c060545bffa20785d25efa20fa00c9f3b6ccd5f08740562da0
Debian Security Advisory 4752-1
Posted Aug 28, 2020
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4752-1 - Several vulnerabilities were discovered in BIND, a DNS server implementation.

tags | advisory, vulnerability
systems | linux, debian
advisories | CVE-2020-8619, CVE-2020-8622, CVE-2020-8623, CVE-2020-8624
SHA-256 | 237dadcb5460cd41550b3d247f118957ce0398434f7b64164ff802d0bf414c5c
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
SHA-256 | 32e24a59f999677069e4109d3fd045c257eff86447a5859eda06af1073a5ee6a
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
SHA-256 | e68968b54f06a09f60aaea3f86c5fd5e18688a0dc2013d6d8a0ac01245a43511
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