USN-5827-1: Bind vulnerabilities

Rob Schulhof discovered that Bind incorrectly handled a large number of UPDATE messages. A remote attacker could possibly use this issue to cause Bind to consume resources, resulting in a denial of service. CVE-2022-3094 Borja Marcos discovered that Bind incorrectly handled certain RRSIG queries....

CVE-2022-3924

A flaw was found in Bind. When resolver receives many queries requiring recursion, there will be a corresponding increase in the number of clients waiting for recursion to complete. This may, under certain conditions, lead to an assertion failure and a denial of service. Mitigation Disabling...

CVE-2022-3736

A flaw was found in Bind, where a resolver crash is possible. When stale cache and stale answers are enabled, the option stale-answer-client-timeout is set to a positive integer, and the resolver receives an RRSIG query. Mitigation Setting stale-answer-client-timeout to 0 or to off/disabled will...

CVE-2022-3094

A flaw was found in Bind, where sending a flood of dynamic DNS updates may cause named to allocate large amounts of memory. This issue may cause named to slow down due to a lack of free memory, resulting in a denial of service DoS...

ISC BIND Resource Management Error Vulnerability

ISC BIND is a suite of open source software that implements the DNS protocol from the American company ISC. A security vulnerability exists in BIND versions 9.16.0 through 9.16.36, 9.18.0 through 9.18.10, and 9.19.0 through 9.19.8, which stems from the fact that sending a large number of dynamic...

ISC BIND security vulnerability

ISC BIND is a suite of open source software that implements the DNS protocol from the US company ISC. A security vulnerability exists in BIND versions 9.11.4-S1 through 9.11.37-S1, and 9.16.8-S1 through 9.16.36-S1, which stems from processing duplicate responses to the same query, where both...

UBUNTU-CVE-2022-3736

BIND 9 resolver can crash when stale cache and stale answers are enabled, option stale-answer-client-timeout is set to a positive integer, and the resolver receives an RRSIG query. This issue affects BIND 9 versions 9.16.12 through 9.16.36, 9.18.0 through 9.18.10, 9.19.0 through 9.19.8, and...

CVE-2022-3094

Sending a flood of dynamic DNS updates may cause named to allocate large amounts of memory. This, in turn, may cause named to exit due to a lack of free memory. We are not aware of any cases where this has been exploited. Memory is allocated prior to the checking of access permissions ACLs and is...

CVE-2022-3488: Reachable Assertion

Processing of repeated responses to the same query, where both responses contain ECS pseudo-options, but where the first is broken in some way, can cause BIND to exit with an assertion failure. 'Broken' in this context is anything that would cause the resolver to reject the query response, such a...

CVE-2022-3924: Reachable Assertion

This issue can affect BIND 9 resolvers with stale-answer-enable yes; that also make use of the option stale-answer-client-timeout, configured with a value greater than zero. If the resolver receives many queries that require recursion, there will be a corresponding increase in the number of clien...

Slackware Linux 15.0 / current bind Multiple Vulnerabilities (SSA:2023-025-01)

The version of bind installed on the remote host is prior to 9.16.37 / 9.18.11. It is, therefore, affected by multiple vulnerabilities as referenced in the SSA:2023-025-01 advisory. - BIND 9 resolver can crash when stale cache and stale answers are enabled, option stale-answer-client- timeout is...

CVE-2022-3736

BIND 9 resolver can crash when stale cache and stale answers are enabled, option stale-answer-client-timeout is set to a positive integer, and the resolver receives an RRSIG query. This issue affects BIND 9 versions 9.16.12 through 9.16.36, 9.18.0 through 9.18.10, 9.19.0 through 9.19.8, and...

ISC BIND security vulnerability

ISC BIND is a suite of open source software that implements the DNS protocol from the American company ISC. A security vulnerability exists in BIND versions 9.16.0 through 9.16.36, 9.18.0 through 9.18.10, and 9.19.0 through 9.19.8, which arises from the fact that when stale caching and stale...

UBUNTU-CVE-2022-3094

Sending a flood of dynamic DNS updates may cause named to allocate large amounts of memory. This, in turn, may cause named to exit due to a lack of free memory. We are not aware of any cases where this has been exploited. Memory is allocated prior to the checking of access permissions ACLs and is...

UBUNTU-CVE-2022-3924

This issue can affect BIND 9 resolvers with stale-answer-enable yes; that also make use of the option stale-answer-client-timeout, configured with a value greater than zero. If the resolver receives many queries that require recursion, there will be a corresponding increase in the number of clien...

ISC BIND security vulnerability

ISC BIND is a suite of open source software that implements the DNS protocol from the American company ISC. A security vulnerability exists in BIND versions 9.16.0 through 9.16.36, 9.18.0 through 9.18.10, and 9.19.0 through 9.19.8, which stems from the fact that if the resolver receives a lot of...

CVE-2022-3924

This issue can affect BIND 9 resolvers with stale-answer-enable yes; that also make use of the option stale-answer-client-timeout, configured with a value greater than zero. If the resolver receives many queries that require recursion, there will be a corresponding increase in the number of clien...

CVE-2022-3094: Use After Free

Sending a flood of dynamic DNS updates may cause named to allocate large amounts of memory. This, in turn, may cause named to exit due to a lack of free memory. We are not aware of any cases where this has been exploited. Memory is allocated prior to the checking of access permissions ACLs and is...

PT-2023-13432 · Isc · Bind 9

Name of the Vulnerable Software and Affected Versions: BIND 9 versions 9.11.4-S1 through 9.11.37-S1 BIND 9 versions 9.16.8-S1 through 9.16.36-S1 Description: The issue arises when processing repeated responses to the same query, where both responses contain ECS pseudo-options, but the first...

Ubuntu 20.04 LTS / 22.04 LTS : Bind vulnerabilities (USN-5827-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5827-1 advisory. Rob Schulhof discovered that Bind incorrectly handled a large number of UPDATE messages. A remote attacker could possibly use this issue to...