ALAS-2017-826


Amazon Linux AMI Security Advisory: ALAS-2017-826
Advisory Release 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