CVE-2022-3736
Severity
7.5HIGH
EPSS
1.9%
top 16.97%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJan 26
Description
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 9.16.12-S1 through 9.16.36-S1.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6
Affected Packages4 packages
🔴Vulnerability Details
5OSV▶
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 r↗2023-01-26
GHSA▶
GHSA-5v6f-5gpq-2628: 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 r↗2023-01-26
OSV▶
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 r↗2023-01-26
CVEList▶
named configured to answer from stale cache may terminate unexpectedly while processing RRSIG queries↗2023-01-25