CVE-2015-8000 Denial of service in n/a

Medium 5.0 Published Updated

Remote attackers can cause a denial of service in ISC BIND named by sending a malformed class attribute, triggering an assertion failure and daemon exit.

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

What is CVE-2015-8000?

CVE-2015-8000 is a medium-severity denial of service vulnerability in Isc Bind, published on 16 Dec 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

db.c in named in ISC BIND 9.x before 9.9.8-P2 and 9.10.x before 9.10.3-P2 allows remote attackers to cause a denial of service (REQUIRE assertion failure and daemon exit) via a malformed class attribute.

Weakness: CWE-20

Which versions are affected by CVE-2015-8000?

It affects 4 products.

Linux distribution packages (40)
bind Red Hat:enterprise_linux:5::clientAll versions30:9.3.6-25.P1.el5_11.5
bind-debuginfo Red Hat:enterprise_linux:5::clientAll versions30:9.3.6-25.P1.el5_11.5
bind-libs Red Hat:enterprise_linux:5::clientAll versions30:9.3.6-25.P1.el5_11.5
bind-sdb Red Hat:enterprise_linux:5::clientAll versions30:9.3.6-25.P1.el5_11.5
bind-utils Red Hat:enterprise_linux:5::clientAll versions30:9.3.6-25.P1.el5_11.5
bind Red Hat:enterprise_linux:5::client_workstationAll versions30:9.3.6-25.P1.el5_11.5
bind-chroot Red Hat:enterprise_linux:5::client_workstationAll versions30:9.3.6-25.P1.el5_11.5
bind-debuginfo Red Hat:enterprise_linux:5::client_workstationAll versions30:9.3.6-25.P1.el5_11.5
bind-devel Red Hat:enterprise_linux:5::client_workstationAll versions30:9.3.6-25.P1.el5_11.5
bind-libbind-devel Red Hat:enterprise_linux:5::client_workstationAll versions30:9.3.6-25.P1.el5_11.5
bind97 Red Hat:enterprise_linux:5::client_workstationAll versions32:9.7.0-21.P2.el5_11.4
bind97-chroot Red Hat:enterprise_linux:5::client_workstationAll versions32:9.7.0-21.P2.el5_11.4
bind97-debuginfo Red Hat:enterprise_linux:5::client_workstationAll versions32:9.7.0-21.P2.el5_11.4
bind97-devel Red Hat:enterprise_linux:5::client_workstationAll versions32:9.7.0-21.P2.el5_11.4
bind97-libs Red Hat:enterprise_linux:5::client_workstationAll versions32:9.7.0-21.P2.el5_11.4
bind97-utils Red Hat:enterprise_linux:5::client_workstationAll versions32:9.7.0-21.P2.el5_11.4
caching-nameserver Red Hat:enterprise_linux:5::client_workstationAll versions30:9.3.6-25.P1.el5_11.5
bind Red Hat:enterprise_linux:5::serverAll versions30:9.3.6-25.P1.el5_11.5
bind-chroot Red Hat:enterprise_linux:5::serverAll versions30:9.3.6-25.P1.el5_11.5
bind-debuginfo Red Hat:enterprise_linux:5::serverAll versions30:9.3.6-25.P1.el5_11.5
bind-devel Red Hat:enterprise_linux:5::serverAll versions30:9.3.6-25.P1.el5_11.5
bind-libbind-devel Red Hat:enterprise_linux:5::serverAll versions30:9.3.6-25.P1.el5_11.5
bind-libs Red Hat:enterprise_linux:5::serverAll versions30:9.3.6-25.P1.el5_11.5
bind-sdb Red Hat:enterprise_linux:5::serverAll versions30:9.3.6-25.P1.el5_11.5
bind-utils Red Hat:enterprise_linux:5::serverAll versions30:9.3.6-25.P1.el5_11.5
bind97 Red Hat:enterprise_linux:5::serverAll versions32:9.7.0-21.P2.el5_11.4
bind97-chroot Red Hat:enterprise_linux:5::serverAll versions32:9.7.0-21.P2.el5_11.4
bind97-debuginfo Red Hat:enterprise_linux:5::serverAll versions32:9.7.0-21.P2.el5_11.4
bind97-devel Red Hat:enterprise_linux:5::serverAll versions32:9.7.0-21.P2.el5_11.4
bind97-libs Red Hat:enterprise_linux:5::serverAll versions32:9.7.0-21.P2.el5_11.4
bind97-utils Red Hat:enterprise_linux:5::serverAll versions32:9.7.0-21.P2.el5_11.4
caching-nameserver Red Hat:enterprise_linux:5::serverAll versions30:9.3.6-25.P1.el5_11.5
bind Red Hat:enterprise_linux:6::clientAll versions32:9.8.2-0.37.rc1.el6_7.5
bind-chroot Red Hat:enterprise_linux:6::clientAll versions32:9.8.2-0.37.rc1.el6_7.5
bind-debuginfo Red Hat:enterprise_linux:6::clientAll versions32:9.8.2-0.37.rc1.el6_7.5
bind-devel Red Hat:enterprise_linux:6::clientAll versions32:9.8.2-0.37.rc1.el6_7.5
bind-libs Red Hat:enterprise_linux:6::clientAll versions32:9.8.2-0.37.rc1.el6_7.5
bind-sdb Red Hat:enterprise_linux:6::clientAll versions32:9.8.2-0.37.rc1.el6_7.5
bind-utils Red Hat:enterprise_linux:6::clientAll versions32:9.8.2-0.37.rc1.el6_7.5
bind Red Hat:enterprise_linux:6::computenodeAll versions32:9.8.2-0.37.rc1.el6_7.5

Products include Isc Bind, Oracle Linux, Oracle Solaris, Oracle Vm Server.

How do I fix CVE-2015-8000?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2015-8000 being exploited?

There is no known exploitation of CVE-2015-8000 in the wild and no public exploit code.

All Isc Bind vulnerabilities

Sources

Also known as DEBIAN-CVE-2015-8000, DLA-370-1, DSA-3420-1, GHSA-6v2g-2pm7-w6q7, MGASA-2015-0481, RHSA-2015:2655 and 7 more.

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