CVE-2013-2266 Denial of service in n/a
Remote attackers can cause denial of service via memory exhaustion in ISC BIND by sending crafted regular expressions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2013-2266?
CVE-2013-2266 is a high-severity denial of service vulnerability in Isc Bind, published on 28 Mar 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
libdns in ISC BIND 9.7.x and 9.8.x before 9.8.4-P2, 9.8.5 before 9.8.5b2, 9.9.x before 9.9.2-P2, and 9.9.3 before 9.9.3b2 on UNIX platforms allows remote attackers to cause a denial of service (memory consumption) via a crafted regular expression, as demonstrated by a memory-exhaustion attack against a machine running a named process.
Weakness: CWE-119
Which versions are affected by CVE-2013-2266?
It affects 1 product.
Linux distribution packages (34)
bind97 Red Hat:enterprise_linux:5::server | All versions | 32:9.7.0-17.P2.el5_9.1 |
bind97-chroot Red Hat:enterprise_linux:5::server | All versions | 32:9.7.0-17.P2.el5_9.1 |
bind97-debuginfo Red Hat:enterprise_linux:5::server | All versions | 32:9.7.0-17.P2.el5_9.1 |
bind97-devel Red Hat:enterprise_linux:5::server | All versions | 32:9.7.0-17.P2.el5_9.1 |
bind97-libs Red Hat:enterprise_linux:5::server | All versions | 32:9.7.0-17.P2.el5_9.1 |
bind97-utils Red Hat:enterprise_linux:5::server | All versions | 32:9.7.0-17.P2.el5_9.1 |
bind Red Hat:enterprise_linux:6::client | All versions | 32:9.8.2-0.17.rc1.el6_4.4 |
bind-chroot Red Hat:enterprise_linux:6::client | All versions | 32:9.8.2-0.17.rc1.el6_4.4 |
bind-debuginfo Red Hat:enterprise_linux:6::client | All versions | 32:9.8.2-0.17.rc1.el6_4.4 |
bind-devel Red Hat:enterprise_linux:6::client | All versions | 32:9.8.2-0.17.rc1.el6_4.4 |
bind-libs Red Hat:enterprise_linux:6::client | All versions | 32:9.8.2-0.17.rc1.el6_4.4 |
bind-sdb Red Hat:enterprise_linux:6::client | All versions | 32:9.8.2-0.17.rc1.el6_4.4 |
bind-utils Red Hat:enterprise_linux:6::client | All versions | 32:9.8.2-0.17.rc1.el6_4.4 |
bind Red Hat:enterprise_linux:6::computenode | All versions | 32:9.8.2-0.17.rc1.el6_4.4 |
bind-chroot Red Hat:enterprise_linux:6::computenode | All versions | 32:9.8.2-0.17.rc1.el6_4.4 |
bind-debuginfo Red Hat:enterprise_linux:6::computenode | All versions | 32:9.8.2-0.17.rc1.el6_4.4 |
bind-devel Red Hat:enterprise_linux:6::computenode | All versions | 32:9.8.2-0.17.rc1.el6_4.4 |
bind-libs Red Hat:enterprise_linux:6::computenode | All versions | 32:9.8.2-0.17.rc1.el6_4.4 |
bind-sdb Red Hat:enterprise_linux:6::computenode | All versions | 32:9.8.2-0.17.rc1.el6_4.4 |
bind-utils Red Hat:enterprise_linux:6::computenode | All versions | 32:9.8.2-0.17.rc1.el6_4.4 |
bind Red Hat:enterprise_linux:6::server | All versions | 32:9.8.2-0.17.rc1.el6_4.4 |
bind-chroot Red Hat:enterprise_linux:6::server | All versions | 32:9.8.2-0.17.rc1.el6_4.4 |
bind-debuginfo Red Hat:enterprise_linux:6::server | All versions | 32:9.8.2-0.17.rc1.el6_4.4 |
bind-devel Red Hat:enterprise_linux:6::server | All versions | 32:9.8.2-0.17.rc1.el6_4.4 |
bind-libs Red Hat:enterprise_linux:6::server | All versions | 32:9.8.2-0.17.rc1.el6_4.4 |
bind-sdb Red Hat:enterprise_linux:6::server | All versions | 32:9.8.2-0.17.rc1.el6_4.4 |
bind-utils Red Hat:enterprise_linux:6::server | All versions | 32:9.8.2-0.17.rc1.el6_4.4 |
bind Red Hat:enterprise_linux:6::workstation | All versions | 32:9.8.2-0.17.rc1.el6_4.4 |
bind-chroot Red Hat:enterprise_linux:6::workstation | All versions | 32:9.8.2-0.17.rc1.el6_4.4 |
bind-debuginfo Red Hat:enterprise_linux:6::workstation | All versions | 32:9.8.2-0.17.rc1.el6_4.4 |
bind-devel Red Hat:enterprise_linux:6::workstation | All versions | 32:9.8.2-0.17.rc1.el6_4.4 |
bind-libs Red Hat:enterprise_linux:6::workstation | All versions | 32:9.8.2-0.17.rc1.el6_4.4 |
bind-sdb Red Hat:enterprise_linux:6::workstation | All versions | 32:9.8.2-0.17.rc1.el6_4.4 |
bind-utils Red Hat:enterprise_linux:6::workstation | All versions | 32:9.8.2-0.17.rc1.el6_4.4 |
Products include Isc Bind.
How do I fix CVE-2013-2266?
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-2013-2266 being exploited?
There is no known exploitation of CVE-2013-2266 in the wild and no public exploit code.
Other vulnerabilities in Isc Bind
Sources
Also known as DEBIAN-CVE-2013-2266, DSA-2656-1, GHSA-42v2-796f-qqmv, RHSA-2013:0689, RHSA-2013:0690.