OPENSUSE-SU-2021:3773-1 Security update for bind

This update for bind fixes the following issues: - CVE-2021-25219: Fixed lame cache that could have been abused to severely degrade resolver performance bsc1192146...

SUSE-SU-2021:3773-1 Security update for bind

This update for bind fixes the following issues: - CVE-2021-25219: Fixed lame cache that could have been abused to severely degrade resolver performance bsc1192146...

CLSA-2021-1637070791 Fix of CVE: CVE-2021-25219

CVE-2021-25219: Fix resolver performance degradation via lame cache abuse...

Fix of CVE: CVE-2021-25219

CVE-2021-25219: Fix resolver performance degradation via lame cache abuse...

SUSE-SU-2021:3657-1 Security update for bind

This update for bind fixes the following issues: - CVE-2021-25219: Fixed lame cache that could have been abused to severely degrade resolver performance bsc1192146...

CLSA-2021-1635957830 Fixed CVE-2021-25219 in bind

CVE-2021-25219: Fix resolver performance degradation via lame cache abuse...

Ubuntu 16.04 ESM : Bind vulnerability (USN-5126-2)

The remote Ubuntu 16.04 ESM host has packages installed that are affected by a vulnerability as referenced in the USN-5126-2 advisory. USN-5126-1 fixed a vulnerability in Bind. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Tenable has extracted the...

CVE-2021-25219

A flaw was found in the way bind processes broken responses from authoritative servers. This caching mechanism could be abused by an attacker to significantly degrade resolver performance. Mitigation The vulnerability has been mitigated by changing the default value of lame-ttl to 0...

Ubuntu 18.04 LTS / 20.04 LTS : Bind vulnerability (USN-5126-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-5126-1 advisory. Kishore Kumar Kothapalli discovered that Bind incorrectly handled the lame cache when processing responses. A remote attacker could possibly use this...

ISC BIND 9.3.0 < 9.11.36 / 9.9.3-S1 < 9.11.36-S1 / 9.12.0 < 9.16.22 / 9.16.8-S1 < 9.16.22-S1 / 9.17.0 < 9.17.19 Vulnerability (CVE-2021-25219)

The version of ISC BIND installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2021-25219 advisory. - In BIND 9.3.0 - 9.11.35, 9.12.0 - 9.16.21, and versions 9.9.3-S1 - 9.11.35-S1 and 9.16.8-S1 - 9.16.21-S1 of BIND Supported...

CVE-2021-25219

In BIND 9.3.0 - 9.11.35, 9.12.0 - 9.16.21, and versions 9.9.3-S1 - 9.11.35-S1 and 9.16.8-S1 - 9.16.21-S1 of BIND Supported Preview Edition, as well as release versions 9.17.0 - 9.17.18 of the BIND 9.17 development branch, exploitation of broken authoritative servers using a flaw in response...

DEBIAN-CVE-2021-25219

In BIND 9.3.0 - 9.11.35, 9.12.0 - 9.16.21, and versions 9.9.3-S1 - 9.11.35-S1 and 9.16.8-S1 - 9.16.21-S1 of BIND Supported Preview Edition, as well as release versions 9.17.0 - 9.17.18 of the BIND 9.17 development branch, exploitation of broken authoritative servers using a flaw in response...

Design/Logic Flaw

In BIND 9.3.0 - 9.11.35, 9.12.0 - 9.16.21, and versions 9.9.3-S1 - 9.11.35-S1 and 9.16.8-S1 - 9.16.21-S1 of BIND Supported Preview Edition, as well as release versions 9.17.0 - 9.17.18 of the BIND 9.17 development branch, exploitation of broken authoritative servers using a flaw in response...

CVE-2021-25219 Lame cache can be abused to severely degrade resolver performance

In BIND 9.3.0 - 9.11.35, 9.12.0 - 9.16.21, and versions 9.9.3-S1 - 9.11.35-S1 and 9.16.8-S1 - 9.16.21-S1 of BIND Supported Preview Edition, as well as release versions 9.17.0 - 9.17.18 of the BIND 9.17 development branch, exploitation of broken authoritative servers using a flaw in response...

CVE-2021-25219

In BIND 9.3.0 - 9.11.35, 9.12.0 - 9.16.21, and versions 9.9.3-S1 - 9.11.35-S1 and 9.16.8-S1 - 9.16.21-S1 of BIND Supported Preview Edition, as well as release versions 9.17.0 - 9.17.18 of the BIND 9.17 development branch, exploitation of broken authoritative servers using a flaw in response...

CVE-2021-25219

In BIND 9.3.0 - 9.11.35, 9.12.0 - 9.16.21, and versions 9.9.3-S1 - 9.11.35-S1 and 9.16.8-S1 - 9.16.21-S1 of BIND Supported Preview Edition, as well as release versions 9.17.0 - 9.17.18 of the BIND 9.17 development branch, exploitation of broken authoritative servers using a flaw in response...

CVE-2021-25219

In BIND 9.3.0 - 9.11.35, 9.12.0 - 9.16.21, and versions 9.9.3-S1 - 9.11.35-S1 and 9.16.8-S1 - 9.16.21-S1 of BIND Supported Preview Edition, as well as release versions 9.17.0 - 9.17.18 of the BIND 9.17 development branch, exploitation of broken authoritative servers using a flaw in response...

UBUNTU-CVE-2021-25219

In BIND 9.3.0 - 9.11.35, 9.12.0 - 9.16.21, and versions 9.9.3-S1 - 9.11.35-S1 and 9.16.8-S1 - 9.16.21-S1 of BIND Supported Preview Edition, as well as release versions 9.17.0 - 9.17.18 of the BIND 9.17 development branch, exploitation of broken authoritative servers using a flaw in response...

Smart DNS: Delivering the Best Subscriber Experience

This is the second in a series of blog posts that discuss how smart DNS resolvers can enhance ongoing network transformation efforts such as the transition to 5G, better integration of Wi-Fi, and new network designs that optimize the edge to improve the subscriber experience, service delivery, an...

Innovation Driven by Operational Experience and Engineering Insight Deters NXNS Attacks

DNS and security have had a long and tangled relationship. The DNS has always been an attractive target since it's a network leverage point. At DNS OARC 30 in Bangkok in 2019, Akamai's Ralf Weber did a presentation called DNS Security: Past, Present, and Future It's Not Easy covering numerous DNS...