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

NVDisc/bind9.16.129.16.37+8
Alpinebind< 9.16.37-r0+9
Debianbind9< 1:9.16.37-1~deb11u1+3
CVEListV5isc/bind_99.16.129.16.36+3

🔴Vulnerability Details

5
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 r2023-01-26
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 r2023-01-26
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 r2023-01-26
CVEList
named configured to answer from stale cache may terminate unexpectedly while processing RRSIG queries2023-01-25
OSV
bind9 vulnerabilities2023-01-25

📋Vendor Advisories

4
Red Hat
bind: sending specific queries to the resolver may cause a DoS2023-01-25
Ubuntu
Bind vulnerabilities2023-01-25
Microsoft
named configured to answer from stale cache may terminate unexpectedly while processing RRSIG queries2023-01-10
Debian
CVE-2022-3736: bind9 - BIND 9 resolver can crash when stale cache and stale answers are enabled, option...2022