CVE-2022-3094

CVE-2022-3094 affects ISC BIND and allows denial of service by flooding dynamic DNS UPDATE requests. A memory allocation occurs before ACL checks, and memory retained for accepted clients can exhaust resources; memory for non-permitted clients is released on rejection. The impact is a DoS (availa...

CVE-2022-3094 An UPDATE message flood may cause named to exhaust all available memory

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-2022-3094

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-2022-3094

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...

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...

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...

ISC BIND 安全漏洞

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...

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-2022-3924

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 安全漏洞

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...

ISC BIND 资源管理错误漏洞

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...

Scientific Linux Security Update : bind on SL7.x i686/x86_64 (2023:0402)

The remote Scientific Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the SLSA-2023:0402-1 advisory. - bind: DNS forwarders cache poisoning vulnerability CVE-2021-25220 - bind: processing large delegations may severely degrade resolver performanc...

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...

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...

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...

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...