RHEL 7 : bind (RHSA-2023:0402)

"The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:0402 advisory. The Berkeley Internet Name Domain BIND is an implementation of the Domain Name System DNS protocols. BIND includes a DNS server named...

USN-5732-1 unbound vulnerability

It was discovered that Unbound incorrectly handled delegations with a large number of non-responsive nameservers. A remote attacker could possibly use this issue to cause Unbound to consume resources, leading to a denial of service...

The vulnerability of the DNS BIND server, related to improper management of internal resources, allows a perpetrator to carry out a DoS attack.

The vulnerability of the DNS BIND server is related to improper management of internal resources within the application when handling large delegations. Exploiting this vulnerability allows a malicious actor to carry out a DoS attack remotely...

CLSA-2022-1664476909 Fixed CVEs in bind: CVE-2022-38177, CVE-2022-38178, CVE-2022-2795

CVE-2022-2795: fix possible resolver performance degradation when processing large delegations - CVE-2022-38177: fix memory leak in ECDSA DNSSEC verification code - CVE-2022-38178: fix memory leak in EdDSA DNSSEC verification code...

CLSA-2022-1664476612 Fixed CVE-2022-2795 in bind

CVE-2022-2795: fix possible resolver performance degradation when processing large delegations...

CLSA-2022-1664475836 Fixed CVE-2022-2795 in bind

CVE-2022-2795: fix possible resolver performance degradation when processing large delegations...

ROS-20220929-01

BIND DNS server vulnerability is related to boundary conditions when reusing HTTP connection when requesting statistics from a statistics channel. Exploitation of the vulnerability could allow an attacker, acting remotely, using a managed DNS server to cause a read error outside the boundary...

Denial Of Service (DoS)

bind is vulnerable to Denial Of Service DoS. The vulnerability exists because of processing large delegations which allows an attacker to cause an application crash via a malicious input...

Processing large delegations may severely degrade resolver performance

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ISC BIND DoS Vulnerability (CVE-2022-2795) - Linux

ISC BIND is prone to a denial of service DoS vulnerability. Copyright C 2022 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; y...

USN-5626-2: Bind vulnerabilities

USN-5626-1 fixed several vulnerabilities in Bind. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: Yehuda Afek, Anat Bremler-Barr, and Shani Stajnrod discovered that Bind incorrectly handled large delegations. A remote attacker...

USN-5626-2 bind9 vulnerabilities

USN-5626-1 fixed several vulnerabilities in Bind. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: Yehuda Afek, Anat Bremler-Barr, and Shani Stajnrod discovered that Bind incorrectly handled large delegations. A remote attacker...

CVE-2022-2795 Processing large delegations may severely degrade resolver performance

By flooding the target resolver with queries exploiting this flaw an attacker can significantly impair the resolver's performance, effectively denying legitimate clients access to the DNS resolution service...

CVE-2022-2795 Processing large delegations may severely degrade resolver performance

By flooding the target resolver with queries exploiting this flaw an attacker can significantly impair the resolver's performance, effectively denying legitimate clients access to the DNS resolution service...

Novel "ghost domain names" attack by introducing subdomain delegations

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AZL-10452 CVE-2022-30698 affecting package unbound for versions less than 1.16.2-1

NLnet Labs Unbound, up to and including version 1.16.1 is vulnerable to a novel type of the "ghost domain names" attack. The vulnerability works by targeting an Unbound instance. Unbound is queried for a subdomain of a rogue domain name. The rogue nameserver returns delegation information for the...

CVE-2022-30698 Novel "ghost domain names" attack by introducing subdomain delegations

NLnet Labs Unbound, up to and including version 1.16.1 is vulnerable to a novel type of the "ghost domain names" attack. The vulnerability works by targeting an Unbound instance. Unbound is queried for a subdomain of a rogue domain name. The rogue nameserver returns delegation information for the...

Possible to delegate same token

Lines of code Vulnerability details Impact It's possible to call delegatetokenId1, tokenId2 using the same token tokenId1 multiple times. The previous delegated value isn't deleted, and all delegations stack up. This way tokenId2 will have all these tokens as delegated:...

The function removeDelegation doesn't work

Lines of code Vulnerability details When a delegation is created with the function delegate, the ID of its NFT tokenId is added in the array checkpointstoTokenIdnCheckpoints - 1; where toTokenId is the ID of NFT the user delegates its NFT to. When an user removes the delegation of his NFT with th...

Delegations incorrectly tracked when multiple delegate() calls occur in the same block

Lines of code Vulnerability details The README.md states: If the user has a Lock, and delegates to someone, then the bonus voting power is not counted. Impact Accounts are still able to claim bonus voting power even if they delegate to someone else, and any operations that rely on the public...