Amazon Linux 1 Security Advisory: ALAS-2021-1508
Advisory Release Date: 2021-07-08 18:38 Pacific
Advisory Updated Date: 2021-07-12 21:48 Pacific
A flaw was found in bind. The way DNAME records are processed may trigger the same RRset to the ANSWER section to be added more than once which causes an assertion check to fail. The highest threat from this flaw is to system availability. (CVE-2021-25215)
Affected Packages:
bind
Issue Correction:
Run yum update bind to update your system.
i686:
bind-chroot-9.8.2-0.68.rc1.87.amzn1.i686
bind-devel-9.8.2-0.68.rc1.87.amzn1.i686
bind-libs-9.8.2-0.68.rc1.87.amzn1.i686
bind-sdb-9.8.2-0.68.rc1.87.amzn1.i686
bind-debuginfo-9.8.2-0.68.rc1.87.amzn1.i686
bind-9.8.2-0.68.rc1.87.amzn1.i686
bind-utils-9.8.2-0.68.rc1.87.amzn1.i686
src:
bind-9.8.2-0.68.rc1.87.amzn1.src
x86_64:
bind-chroot-9.8.2-0.68.rc1.87.amzn1.x86_64
bind-debuginfo-9.8.2-0.68.rc1.87.amzn1.x86_64
bind-9.8.2-0.68.rc1.87.amzn1.x86_64
bind-libs-9.8.2-0.68.rc1.87.amzn1.x86_64
bind-sdb-9.8.2-0.68.rc1.87.amzn1.x86_64
bind-devel-9.8.2-0.68.rc1.87.amzn1.x86_64
bind-utils-9.8.2-0.68.rc1.87.amzn1.x86_64