CVE-2013-4854 Denial of service in n/a

High 7.8 Published Updated

Remote attackers can cause a denial of service in ISC BIND by sending a malformed DNS query, crashing the named daemon.

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

What is CVE-2013-4854?

CVE-2013-4854 is a high-severity denial of service vulnerability in Fedoraproject Fedora, published on 26 Jul 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The RFC 5011 implementation in rdata.c in ISC BIND 9.7.x and 9.8.x before 9.8.5-P2, 9.8.6b1, 9.9.x before 9.9.3-P2, and 9.9.4b1, and DNSco BIND 9.9.3-S1 before 9.9.3-S1-P1 and 9.9.4-S1b1, allows remote attackers to cause a denial of service (assertion failure and named daemon exit) via a query with a malformed RDATA section that is not properly handled during construction of a log message, as exploited in the wild in July 2013.

Which versions are affected by CVE-2013-4854?

It affects 12 products.

Linux distribution packages (34)
bind97 Red Hat:enterprise_linux:5::serverAll versions32:9.7.0-17.P2.el5_9.2
bind97-chroot Red Hat:enterprise_linux:5::serverAll versions32:9.7.0-17.P2.el5_9.2
bind97-debuginfo Red Hat:enterprise_linux:5::serverAll versions32:9.7.0-17.P2.el5_9.2
bind97-devel Red Hat:enterprise_linux:5::serverAll versions32:9.7.0-17.P2.el5_9.2
bind97-libs Red Hat:enterprise_linux:5::serverAll versions32:9.7.0-17.P2.el5_9.2
bind97-utils Red Hat:enterprise_linux:5::serverAll versions32:9.7.0-17.P2.el5_9.2
bind Red Hat:enterprise_linux:6::clientAll versions32:9.8.2-0.17.rc1.el6_4.5
bind-chroot Red Hat:enterprise_linux:6::clientAll versions32:9.8.2-0.17.rc1.el6_4.5
bind-debuginfo Red Hat:enterprise_linux:6::clientAll versions32:9.8.2-0.17.rc1.el6_4.5
bind-devel Red Hat:enterprise_linux:6::clientAll versions32:9.8.2-0.17.rc1.el6_4.5
bind-libs Red Hat:enterprise_linux:6::clientAll versions32:9.8.2-0.17.rc1.el6_4.5
bind-sdb Red Hat:enterprise_linux:6::clientAll versions32:9.8.2-0.17.rc1.el6_4.5
bind-utils Red Hat:enterprise_linux:6::clientAll versions32:9.8.2-0.17.rc1.el6_4.5
bind Red Hat:enterprise_linux:6::computenodeAll versions32:9.8.2-0.17.rc1.el6_4.5
bind-chroot Red Hat:enterprise_linux:6::computenodeAll versions32:9.8.2-0.17.rc1.el6_4.5
bind-debuginfo Red Hat:enterprise_linux:6::computenodeAll versions32:9.8.2-0.17.rc1.el6_4.5
bind-devel Red Hat:enterprise_linux:6::computenodeAll versions32:9.8.2-0.17.rc1.el6_4.5
bind-libs Red Hat:enterprise_linux:6::computenodeAll versions32:9.8.2-0.17.rc1.el6_4.5
bind-sdb Red Hat:enterprise_linux:6::computenodeAll versions32:9.8.2-0.17.rc1.el6_4.5
bind-utils Red Hat:enterprise_linux:6::computenodeAll versions32:9.8.2-0.17.rc1.el6_4.5
bind Red Hat:enterprise_linux:6::serverAll versions32:9.8.2-0.17.rc1.el6_4.5
bind-chroot Red Hat:enterprise_linux:6::serverAll versions32:9.8.2-0.17.rc1.el6_4.5
bind-debuginfo Red Hat:enterprise_linux:6::serverAll versions32:9.8.2-0.17.rc1.el6_4.5
bind-devel Red Hat:enterprise_linux:6::serverAll versions32:9.8.2-0.17.rc1.el6_4.5
bind-libs Red Hat:enterprise_linux:6::serverAll versions32:9.8.2-0.17.rc1.el6_4.5
bind-sdb Red Hat:enterprise_linux:6::serverAll versions32:9.8.2-0.17.rc1.el6_4.5
bind-utils Red Hat:enterprise_linux:6::serverAll versions32:9.8.2-0.17.rc1.el6_4.5
bind Red Hat:enterprise_linux:6::workstationAll versions32:9.8.2-0.17.rc1.el6_4.5
bind-chroot Red Hat:enterprise_linux:6::workstationAll versions32:9.8.2-0.17.rc1.el6_4.5
bind-debuginfo Red Hat:enterprise_linux:6::workstationAll versions32:9.8.2-0.17.rc1.el6_4.5
bind-devel Red Hat:enterprise_linux:6::workstationAll versions32:9.8.2-0.17.rc1.el6_4.5
bind-libs Red Hat:enterprise_linux:6::workstationAll versions32:9.8.2-0.17.rc1.el6_4.5
bind-sdb Red Hat:enterprise_linux:6::workstationAll versions32:9.8.2-0.17.rc1.el6_4.5
bind-utils Red Hat:enterprise_linux:6::workstationAll versions32:9.8.2-0.17.rc1.el6_4.5

Products include Fedoraproject Fedora, Freebsd Freebsd, Hp Hp-Ux, Isc Bind, Isc Dnsco Bind, Mandriva Business Server and 6 more.

How do I fix CVE-2013-4854?

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-2013-4854 being exploited?

There is no known exploitation of CVE-2013-4854 in the wild and no public exploit code.

All Fedoraproject Fedora vulnerabilities

Sources

Also known as DEBIAN-CVE-2013-4854, DSA-2728-1, GHSA-pm36-8qh4-c679, MGASA-2013-0237, RHSA-2013:1114, RHSA-2013:1115.

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