CVE-2022-3736
Last modified
CVE-2022-3736 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 50.17% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Isc | Bind | >= 9.16.12, < 9.16.37 | — |
| Isc | Bind | >= 9.18.0, < 9.18.11 | — |
| Isc | Bind | >= 9.19.0, < 9.19.9 | — |
| Isc | Bind | 9.16.11 | S1 |
| Isc | Bind | 9.16.13 | S1 |
| Isc | Bind | 9.16.14 | S1 |
| Isc | Bind | 9.16.21 | S1 |
| Isc | Bind | 9.16.32 | S1 |
| Isc | Bind | 9.16.36 | S1 |
References
- https://kb.isc.org/docs/cve-2022-3736Vendor Advisory
- https://kb.isc.org/docs/cve-2022-3736Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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