CVE-2021-25215
CVE-2021-25215 · An assertion check can fail while answering queries for DNAME records that require the DNAME to be processed to resolve itself
This page contains facts from public vulnerability sources. Check the original advisory before updating.
In BIND 9.0.0 -> 9.11.29, 9.12.0 -> 9.16.13, and versions BIND 9.9.3-S1 -> 9.11.29-S1 and 9.16.8-S1 -> 9.16.13-S1 of BIND Supported Preview Edition, as well as release versions 9.17.0 -> 9.17.11 of the BIND 9.17 development branch, when a vulnerable version of named receives a query for a record triggering the flaw described above, the named process will terminate due to a failed assertion check. The vulnerability affects all currently maintained BIND 9 branches (9.11, 9.11-S, 9.16, 9.16-S, 9.17) as well as all other versions of BIND 9.
CVSS 7.5 · High · EPSS 11.8% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
bind9
- Versions
- Open Source Branches 9.0 through 9.11 9.0.0 through versions before 9.11.30: Affected
- Open Source Branches 9.12 through 9.16 9.12.0 through versions before 9.16.14: Affected
- Supported Preview Branches 9.9-S through 9.11-S 9.9.3-S1 through versions before 9.11.30-S1: Affected
- Supported Preview Branch 9.16-S 9.16.8-S1 through versions before 9.16.14-S1: Affected
- Development Branch 9.17 9.17.0 through versiosn before 9.17.12: Affected
No fix published
bind9 Debian:12
- Affected ranges
- ECOSYSTEM: < 1:9.16.15-1
Update to 1:9.16.15-1
bind9 Debian:13
- Affected ranges
- ECOSYSTEM: < 1:9.16.15-1
Update to 1:9.16.15-1
bind9 Debian:14
- Affected ranges
- ECOSYSTEM: < 1:9.16.15-1
Update to 1:9.16.15-1
bind9 Ubuntu:Pro:14.04:LTS
- Versions
- 1:9.9.3.dfsg.P2-4ubuntu1
- 1:9.9.3.dfsg.P2-4ubuntu2
- 1:9.9.3.dfsg.P2-4ubuntu3
- 1:9.9.5.dfsg-2
- 1:9.9.5.dfsg-3
- 1:9.9.5.dfsg-3ubuntu0.1
- 1:9.9.5.dfsg-3ubuntu0.2
- 1:9.9.5.dfsg-3ubuntu0.3
- 1:9.9.5.dfsg-3ubuntu0.4
- 1:9.9.5.dfsg-3ubuntu0.5
- 1:9.9.5.dfsg-3ubuntu0.6
- 1:9.9.5.dfsg-3ubuntu0.7
- 1:9.9.5.dfsg-3ubuntu0.8
- 1:9.9.5.dfsg-3ubuntu0.9
- 1:9.9.5.dfsg-3ubuntu0.10
- 1:9.9.5.dfsg-3ubuntu0.11
- 1:9.9.5.dfsg-3ubuntu0.12
- 1:9.9.5.dfsg-3ubuntu0.13
- 1:9.9.5.dfsg-3ubuntu0.14
- 1:9.9.5.dfsg-3ubuntu0.15
- 1:9.9.5.dfsg-3ubuntu0.16
- 1:9.9.5.dfsg-3ubuntu0.17
- 1:9.9.5.dfsg-3ubuntu0.18
- 1:9.9.5.dfsg-3ubuntu0.19
- 1:9.9.5.dfsg-3ubuntu0.19+esm1
- 1:9.9.5.dfsg-3ubuntu0.19+esm2
- 1:9.9.5.dfsg-3ubuntu0.19+esm3
- 1:9.9.5.dfsg-3ubuntu0.19+esm4
- 1:9.9.5.dfsg-3ubuntu0.19+esm5
- 1:9.9.5.dfsg-3ubuntu0.19+esm6
- 1:9.9.5.dfsg-3ubuntu0.19+esm7
- 1:9.9.5.dfsg-3ubuntu0.19+esm9
- 1:9.9.5.dfsg-3ubuntu0.19+esm10
- 1:9.9.5.dfsg-3ubuntu0.19+esm11
- 1:9.9.5.dfsg-3ubuntu0.19+esm12
- Affected ranges
- ECOSYSTEM: < 1:9.9.5.dfsg-3ubuntu0.19+esm13
Update to 1:9.9.5.dfsg-3ubuntu0.19+esm13
bind9 Ubuntu:16.04:LTS
- Versions
- 1:9.9.5.dfsg-11ubuntu1
- 1:9.9.5.dfsg-12
- 1:9.9.5.dfsg-12.1
- 1:9.9.5.dfsg-12.1ubuntu1
- 1:9.10.3.dfsg.P2-4
- 1:9.10.3.dfsg.P2-5
- 1:9.10.3.dfsg.P4-3
- 1:9.10.3.dfsg.P4-4
- 1:9.10.3.dfsg.P4-5
- 1:9.10.3.dfsg.P4-8
- 1:9.10.3.dfsg.P4-8ubuntu1
- 1:9.10.3.dfsg.P4-8ubuntu1.1
- 1:9.10.3.dfsg.P4-8ubuntu1.2
- 1:9.10.3.dfsg.P4-8ubuntu1.3
- 1:9.10.3.dfsg.P4-8ubuntu1.4
- 1:9.10.3.dfsg.P4-8ubuntu1.5
- 1:9.10.3.dfsg.P4-8ubuntu1.6
- 1:9.10.3.dfsg.P4-8ubuntu1.7
- 1:9.10.3.dfsg.P4-8ubuntu1.8
- 1:9.10.3.dfsg.P4-8ubuntu1.9
- 1:9.10.3.dfsg.P4-8ubuntu1.10
- 1:9.10.3.dfsg.P4-8ubuntu1.11
- 1:9.10.3.dfsg.P4-8ubuntu1.12
- 1:9.10.3.dfsg.P4-8ubuntu1.14
- 1:9.10.3.dfsg.P4-8ubuntu1.15
- 1:9.10.3.dfsg.P4-8ubuntu1.16
- 1:9.10.3.dfsg.P4-8ubuntu1.17
- 1:9.10.3.dfsg.P4-8ubuntu1.18
- Affected ranges
- ECOSYSTEM: < 1:9.10.3.dfsg.P4-8ubuntu1.19
Update to 1:9.10.3.dfsg.P4-8ubuntu1.19
bind9 Ubuntu:18.04:LTS
- Versions
- 1:9.10.3.dfsg.P4-12.6ubuntu1
- 1:9.11.2.P1-1ubuntu2
- 1:9.11.2.P1-1ubuntu3
- 1:9.11.2.P1-1ubuntu4
- 1:9.11.2.P1-1ubuntu5
- 1:9.11.3+dfsg-1ubuntu1
- 1:9.11.3+dfsg-1ubuntu1.1
- 1:9.11.3+dfsg-1ubuntu1.2
- 1:9.11.3+dfsg-1ubuntu1.3
- 1:9.11.3+dfsg-1ubuntu1.5
- 1:9.11.3+dfsg-1ubuntu1.7
- 1:9.11.3+dfsg-1ubuntu1.8
- 1:9.11.3+dfsg-1ubuntu1.9
- 1:9.11.3+dfsg-1ubuntu1.10
- 1:9.11.3+dfsg-1ubuntu1.11
- 1:9.11.3+dfsg-1ubuntu1.12
- 1:9.11.3+dfsg-1ubuntu1.13
- 1:9.11.3+dfsg-1ubuntu1.14
- Affected ranges
- ECOSYSTEM: < 1:9.11.3+dfsg-1ubuntu1.15
Update to 1:9.11.3+dfsg-1ubuntu1.15
bind9 Ubuntu:20.04:LTS
- Versions
- 1:9.11.5.P4+dfsg-5.1ubuntu2
- 1:9.11.5.P4+dfsg-5.1ubuntu3
- 1:9.11.5.P4+dfsg-5.1ubuntu4
- 1:9.11.5.P4+dfsg-5.1ubuntu5
- 1:9.11.14+dfsg-1ubuntu1
- 1:9.11.14+dfsg-3ubuntu1
- 1:9.16.0-1ubuntu3
- 1:9.16.0-1ubuntu4
- 1:9.16.0-1ubuntu5
- 1:9.16.1-0ubuntu1
- 1:9.16.1-0ubuntu2
- 1:9.16.1-0ubuntu2.1
- 1:9.16.1-0ubuntu2.2
- 1:9.16.1-0ubuntu2.3
- 1:9.16.1-0ubuntu2.4
- 1:9.16.1-0ubuntu2.6
- 1:9.16.1-0ubuntu2.7
- Affected ranges
- ECOSYSTEM: < 1:9.16.1-0ubuntu2.8
Update to 1:9.16.1-0ubuntu2.8
Original sources
- https://kb.isc.org/v1/docs/cve-2021-25215
- http://www.openwall.com/lists/oss-security/2021/04/29/1
- http://www.openwall.com/lists/oss-security/2021/04/29/2
- http://www.openwall.com/lists/oss-security/2021/04/29/3
- http://www.openwall.com/lists/oss-security/2021/04/29/4
- https://www.debian.org/security/2021/dsa-4909
- https://lists.debian.org/debian-lts-announce/2021/05/msg00001.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VEC2XG4Q2ODTN2C4CGXEIXU3EUTBMK7L/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZDSRPCJQ7MZC6CENH5PO3VQOFI7VSWBE/
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://security.netapp.com/advisory/ntap-20210521-0006/
- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
- https://nvd.nist.gov/vuln/detail/CVE-2021-25215