CVE-2021-25215An assertion check can fail while answering queries for DNAME records that require the DNAME to be processed to resolve itself

Açıklama

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.

Veri: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Bilgiler kaynaktaki haliyle, İngilizce yayımlanır.

Etkilenen ürünler ve sürümler

Kaynaklar ve yamalar

• https://kb.isc.org/v1/docs/cve-2021-25215
• [oss-security] 20210428 ISC discloses three BIND vulnerabilities (CVE-2021-25214, CVE-2021-25215, and CVE-2021-25216) mailing-list
• [oss-security] 20210429 Re: ISC discloses three BIND vulnerabilities (CVE-2021-25214, CVE-2021-25215, and CVE-2021-25216) mailing-list
• [oss-security] 20210429 Re: ISC discloses three BIND vulnerabilities (CVE-2021-25214, CVE-2021-25215, and CVE-2021-25216) mailing-list
• [oss-security] 20210429 Re: ISC discloses three BIND vulnerabilities (CVE-2021-25214, CVE-2021-25215, and CVE-2021-25216) mailing-list
• DSA-4909 vendor-advisory
• [debian-lts-announce] 20210504 [SECURITY] [DLA 2647-1] bind9 security update mailing-list
• FEDORA-2021-ace61cbee1 vendor-advisory
• FEDORA-2021-47f23870ec vendor-advisory
• 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