CVE-2017-3135 Combination of DNS64 and RPZ Can Lead to Crash

High 7.5 Published Updated

Attackers can crash the BIND DNS server by triggering a null pointer dereference when DNS64 and RPZ features are both enabled.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2017-3135?

CVE-2017-3135 is a high-severity vulnerability in Debian Debian Linux, published on 16 Jan 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Under some conditions when using both DNS64 and RPZ to rewrite query responses, query processing can resume in an inconsistent state leading to either an INSIST assertion failure or an attempt to read through a NULL pointer. Affects BIND 9.8.8, 9.9.3-S1 -> 9.9.9-S7, 9.9.3 -> 9.9.9-P5, 9.9.10b1, 9.10.0 -> 9.10.4-P5, 9.10.5b1, 9.11.0 -> 9.11.0-P2, 9.11.1b1.

Weakness: CWE-476

Which versions are affected by CVE-2017-3135?

It affects 10 products.

Linux distribution packages (40)
bind Red Hat:enterprise_linux:7::clientAll versions32:9.9.4-38.el7_3.2
bind-chroot Red Hat:enterprise_linux:7::clientAll versions32:9.9.4-38.el7_3.2
bind-debuginfo Red Hat:enterprise_linux:7::clientAll versions32:9.9.4-38.el7_3.2
bind-devel Red Hat:enterprise_linux:7::clientAll versions32:9.9.4-38.el7_3.2
bind-libs Red Hat:enterprise_linux:7::clientAll versions32:9.9.4-38.el7_3.2
bind-libs-lite Red Hat:enterprise_linux:7::clientAll versions32:9.9.4-38.el7_3.2
bind-license Red Hat:enterprise_linux:7::clientAll versions32:9.9.4-38.el7_3.2
bind-lite-devel Red Hat:enterprise_linux:7::clientAll versions32:9.9.4-38.el7_3.2
bind-pkcs11 Red Hat:enterprise_linux:7::clientAll versions32:9.9.4-38.el7_3.2
bind-pkcs11-devel Red Hat:enterprise_linux:7::clientAll versions32:9.9.4-38.el7_3.2
bind-pkcs11-libs Red Hat:enterprise_linux:7::clientAll versions32:9.9.4-38.el7_3.2
bind-pkcs11-utils Red Hat:enterprise_linux:7::clientAll versions32:9.9.4-38.el7_3.2
bind-sdb Red Hat:enterprise_linux:7::clientAll versions32:9.9.4-38.el7_3.2
bind-sdb-chroot Red Hat:enterprise_linux:7::clientAll versions32:9.9.4-38.el7_3.2
bind-utils Red Hat:enterprise_linux:7::clientAll versions32:9.9.4-38.el7_3.2
bind Red Hat:enterprise_linux:7::computenodeAll versions32:9.9.4-38.el7_3.2
bind-chroot Red Hat:enterprise_linux:7::computenodeAll versions32:9.9.4-38.el7_3.2
bind-debuginfo Red Hat:enterprise_linux:7::computenodeAll versions32:9.9.4-38.el7_3.2
bind-devel Red Hat:enterprise_linux:7::computenodeAll versions32:9.9.4-38.el7_3.2
bind-libs Red Hat:enterprise_linux:7::computenodeAll versions32:9.9.4-38.el7_3.2
bind-libs-lite Red Hat:enterprise_linux:7::computenodeAll versions32:9.9.4-38.el7_3.2
bind-license Red Hat:enterprise_linux:7::computenodeAll versions32:9.9.4-38.el7_3.2
bind-lite-devel Red Hat:enterprise_linux:7::computenodeAll versions32:9.9.4-38.el7_3.2
bind-pkcs11 Red Hat:enterprise_linux:7::computenodeAll versions32:9.9.4-38.el7_3.2
bind-pkcs11-devel Red Hat:enterprise_linux:7::computenodeAll versions32:9.9.4-38.el7_3.2
bind-pkcs11-libs Red Hat:enterprise_linux:7::computenodeAll versions32:9.9.4-38.el7_3.2
bind-pkcs11-utils Red Hat:enterprise_linux:7::computenodeAll versions32:9.9.4-38.el7_3.2
bind-sdb Red Hat:enterprise_linux:7::computenodeAll versions32:9.9.4-38.el7_3.2
bind-sdb-chroot Red Hat:enterprise_linux:7::computenodeAll versions32:9.9.4-38.el7_3.2
bind-utils Red Hat:enterprise_linux:7::computenodeAll versions32:9.9.4-38.el7_3.2
bind Red Hat:enterprise_linux:7::serverAll versions32:9.9.4-38.el7_3.2
bind-chroot Red Hat:enterprise_linux:7::serverAll versions32:9.9.4-38.el7_3.2
bind-debuginfo Red Hat:enterprise_linux:7::serverAll versions32:9.9.4-38.el7_3.2
bind-devel Red Hat:enterprise_linux:7::serverAll versions32:9.9.4-38.el7_3.2
bind-libs Red Hat:enterprise_linux:7::serverAll versions32:9.9.4-38.el7_3.2
bind-libs-lite Red Hat:enterprise_linux:7::serverAll versions32:9.9.4-38.el7_3.2
bind-license Red Hat:enterprise_linux:7::serverAll versions32:9.9.4-38.el7_3.2
bind-lite-devel Red Hat:enterprise_linux:7::serverAll versions32:9.9.4-38.el7_3.2
bind-pkcs11 Red Hat:enterprise_linux:7::serverAll versions32:9.9.4-38.el7_3.2
bind-pkcs11-devel Red Hat:enterprise_linux:7::serverAll versions32:9.9.4-38.el7_3.2

Products include Debian Debian Linux, Isc Bind, Netapp Data Ontap Edge, Netapp Element Software Management Node, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server and 4 more.

How do I fix CVE-2017-3135?

Apply the vendor's patch.

Is CVE-2017-3135 being exploited?

There is no known exploitation of CVE-2017-3135 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as ALPINE-CVE-2017-3135, DEBIAN-CVE-2017-3135, DLA-843-1, DSA-3795-1, GHSA-369c-w4jq-mxgx, RHSA-2017:0276 and 5 more.

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