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Debian LTS: Security Advisory for bind9 (DLA-2355-1)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update for the 'bind9' package(s) announced via the DLA-2355-1 advisory.
Insight
Insight
Two issues have been found in bind9, an Internet Domain Name Server. CVE-2020-8622 Crafted responses to TSIG-signed requests could lead to an assertion failure, causing the server to exit. This could be done by malicious server operators or guessing attackers. CVE-2020-8623 An assertions failure, causing the server to exit, can be exploited by a query for an RSA signed zone.
Affected Software
Affected Software
'bind9' package(s) on Debian Linux.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
Solution
For Debian 9 stretch, these problems have been fixed in version 1:9.10.3.dfsg.P4-12.3+deb9u7. We recommend that you upgrade your bind9 packages.