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CVE-2020-12662

Status Candidate

Overview

Unbound before 1.10.1 has Insufficient Control of Network Message Volume, aka an "NXNSAttack" issue. This is triggered by random subdomains in the NSDNAME in NS records.

Related Files

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
MD5 | 8f2bfeea9b5081c2acb3925a29234d46
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
MD5 | 03b6185e751d3603960f4023957c5c60
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
MD5 | f45d7ee687d52ac9bcfe046a758c27a9
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
MD5 | 23040e6947d1bc596d518f6bcfa510fb
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
MD5 | c37e78c2d9f10c46028481c326d910ed
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
MD5 | 65ac744979d6064e52c3b7c55bb2f20f
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