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CVE-2020-12663

Status Candidate

Overview

Unbound before 1.10.1 has an infinite loop via malformed DNS answers received from upstream servers.

Related Files

Red Hat Security Advisory 2020-4181-01
Posted Oct 6, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-4181-01 - The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-12662, CVE-2020-12663
SHA-256 | bcde3d393794fedcb5f362e3c881b5f9bea5cc7526950b25aacb3ee2a982cc72
Red Hat Security Advisory 2020-2640-01
Posted Jun 22, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-2640-01 - The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver. Multiple denial of service related vulnerabilities were addressed.

tags | advisory, denial of service, vulnerability
systems | linux, redhat
advisories | CVE-2020-12662, CVE-2020-12663
SHA-256 | e267ec6108807812848e4e010541821f1d5880fa63c5b39723afb536eab5a8de
Red Hat Security Advisory 2020-2419-01
Posted Jun 8, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-2419-01 - The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver. Amplification and infinite loop issues were resolved.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-12662, CVE-2020-12663
SHA-256 | 0cdaef71a39b06881b2a0676dc8c29f82266e5a1998f3494b817ed311a4c1460
Red Hat Security Advisory 2020-2418-01
Posted Jun 8, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-2418-01 - The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver. Amplification and infinite loop issues were resolved.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-12662, CVE-2020-12663
SHA-256 | 0a871a5550bb50929d52ca98f026d9f4f8a79edf5160c0f67dbd2603ad936705
Red Hat Security Advisory 2020-2416-01
Posted Jun 8, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-2416-01 - The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver. Amplification and infinite loop issues were resolved.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-12662, CVE-2020-12663
SHA-256 | bf92116fab737f9b4a49c818217363e378c33cd6da3746483361032a08a44afa
Red Hat Security Advisory 2020-2414-01
Posted Jun 8, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-2414-01 - The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver. Amplification and infinite loop issues were resolved.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-12662, CVE-2020-12663
SHA-256 | 50320e478a15427f0b2906febcc009b2243b78ea31f370822475973923a84207
Debian Security Advisory 4694-1
Posted May 28, 2020
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4694-1 - Two vulnerabiliites have been discovered in Unbound, a recursive-only caching DNS server; a traffic amplification attack against third party authoritative name servers (NXNSAttack) and insufficient sanitisation of replies from upstream servers could result in denial of service via an infinite loop.

tags | advisory, denial of service
systems | linux, debian
advisories | CVE-2020-12662, CVE-2020-12663
SHA-256 | b046a72fee0ad425126c623785cc6b1b0c768b446a15efc25f18f621ebd40c16
Ubuntu Security Notice USN-4374-1
Posted May 27, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4374-1 - Lior Shafir, Yehuda Afek, and Anat Bremler-Barr discovered that Unbound incorrectly handled certain queries. A remote attacker could use this issue to perform an amplification attack directed at a target. It was discovered that Unbound incorrectly handled certain malformed answers. A remote attacker could possibly use this issue to cause Unbound to crash, resulting in a denial of service.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2020-12662, CVE-2020-12663
SHA-256 | 49ccd78f08f9c26b5027e0bfd357a87498bb772816a9f601179e7ed7a143011b
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