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Amazon Linux AMI Security Advisory: ALAS-2017-826
Advisory Release Date: 2017-04-27 00:07 Pacific
Advisory Updated Date: 2017-04-27 19:54 Pacific
Severity:
Important
Issue Overview:
A denial of service flaw was found in the way BIND handled a query response containing CNAME or DNAME resource records in an unusual order. A remote attacker could use this flaw to make named exit unexpectedly with an assertion failure via a specially crafted DNS response. (CVE-2017-3137)
A denial of service flaw was found in the way BIND handled query requests when using DNS64 with "break-dnssec yes" option. A remote attacker could use this flaw to make named exit unexpectedly with an assertion failure via a specially crafted DNS request. (CVE-2017-3136)
Upstream acknowledges Oleg Gorokhov (Yandex) as the original reporter of CVE-2017-3136.
Affected Packages:
bind
Issue Correction:
Run yum update bind to update your system.
New Packages:
i686:
bind-sdb-9.8.2-0.62.rc1.54.amzn1.i686
bind-9.8.2-0.62.rc1.54.amzn1.i686
bind-debuginfo-9.8.2-0.62.rc1.54.amzn1.i686
bind-devel-9.8.2-0.62.rc1.54.amzn1.i686
bind-utils-9.8.2-0.62.rc1.54.amzn1.i686
bind-libs-9.8.2-0.62.rc1.54.amzn1.i686
bind-chroot-9.8.2-0.62.rc1.54.amzn1.i686
src:
bind-9.8.2-0.62.rc1.54.amzn1.src
x86_64:
bind-devel-9.8.2-0.62.rc1.54.amzn1.x86_64
bind-sdb-9.8.2-0.62.rc1.54.amzn1.x86_64
bind-debuginfo-9.8.2-0.62.rc1.54.amzn1.x86_64
bind-chroot-9.8.2-0.62.rc1.54.amzn1.x86_64
bind-utils-9.8.2-0.62.rc1.54.amzn1.x86_64
bind-libs-9.8.2-0.62.rc1.54.amzn1.x86_64
bind-9.8.2-0.62.rc1.54.amzn1.x86_64