CVE-2021-25220

high

Description

BIND 9.11.0 -> 9.11.36 9.12.0 -> 9.16.26 9.17.0 -> 9.18.0 BIND Supported Preview Editions: 9.11.4-S1 -> 9.11.36-S1 9.16.8-S1 -> 9.16.26-S1 Versions of BIND 9 earlier than those shown - back to 9.1.0, including Supported Preview Editions - are also believed to be affected but have not been tested as they are EOL. The cache could become poisoned with incorrect records leading to queries being made to the wrong servers, which might also result in false information being returned to clients.

References

https://kb.isc.org/v1/docs/cve-2021-25220

https://lists.fedoraproject.org/archives/list/[email protected]/message/NYD7US4HZRFUGAJ66ZTHFBYVP5N3OQBY/

https://lists.fedoraproject.org/archives/list/[email protected]/message/API7U5E7SX7BAAVFNW366FFJGD6NZZKV/

https://security.netapp.com/advisory/ntap-20220408-0001/

https://lists.fedoraproject.org/archives/list/[email protected]/message/5VX3I2U3ICOIEI5Y7OYA6CHOLFMNH3YQ/

https://lists.fedoraproject.org/archives/list/[email protected]/message/2SXT7247QTKNBQ67MNRGZD23ADXU6E5U/

https://lists.fedoraproject.org/archives/list/[email protected]/message/DE3UAVCPUMAKG27ZL5YXSP2C3RIOW3JZ/

Details

Source: MITRE

Published: 2022-03-23

Updated: 2022-06-03

Risk Information

CVSS v2

Base Score: 5

Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3

Base Score: 8.6

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N

Impact Score: 4

Exploitability Score: 3.9

Severity: HIGH