漏洞信息
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Vulnerability Title
Record ordering based unexpected exit with CNAME or DNAME
Vulnerability Description
The issue is unexpected program termination based on ordering and/or specific content in responses to queries for CNAME or DNAME, and A records. Specifically, if a client queries for a DNAME and A record below the DNAME to the resolver, and the authoritative server responds positively to the A query but delays the DNAME response and later responds negatively, `named` may quit unexpectedly. Or, if a client queries for a CNAME and A record for the same name to the resolver, and the authoritative server responds positively to the A query but delays the CNAME response and later responds with a self-referential CNAME, the same failure may occur. This issue affects BIND 9 versions 9.18.0 through 9.18.50, 9.20.0 through 9.20.24, 9.18.11-S1 through 9.18.50-S1, and 9.20.9-S1 through 9.20.24-S1.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vulnerability Type
可达断言
Vulnerability Title
ISC BIND 9 异常处理不当漏洞
Vulnerability Description
ISC BIND 9是ISC组织的域名系统服务器。 ISC BIND 9 9.18.0至9.18.50版本、9.20.0至9.20.24版本、9.18.11-S1至9.18.50-S1版本和9.20.9-S1至9.20.24-S1版本存在异常处理不当漏洞,该漏洞源于对CNAME或DNAME和A记录查询响应的排序和/或特定内容处理不当,导致named意外终止。
CVSS Information
N/A
Vulnerability Type
N/A