CVE-2014-8500 Denial of service in n/a
Remote attackers can cause a denial of service in ISC BIND by sending excessive referrals, leading to memory exhaustion and crashes.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2014-8500?
CVE-2014-8500 is a high-severity denial of service vulnerability in Isc Bind, published on 11 Dec 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
ISC BIND 9.0.x through 9.8.x, 9.9.0 through 9.9.6, and 9.10.0 through 9.10.1 does not limit delegation chaining, which allows remote attackers to cause a denial of service (memory consumption and named crash) via a large or infinite number of referrals.
Weakness: CWE-399
Which versions are affected by CVE-2014-8500?
It affects 1 product.
Linux distribution packages (40)
bind Red Hat:enterprise_linux:5::client | All versions | 30:9.3.6-25.P1.el5_11.2 |
bind-debuginfo Red Hat:enterprise_linux:5::client | All versions | 30:9.3.6-25.P1.el5_11.2 |
bind-libs Red Hat:enterprise_linux:5::client | All versions | 30:9.3.6-25.P1.el5_11.2 |
bind-sdb Red Hat:enterprise_linux:5::client | All versions | 30:9.3.6-25.P1.el5_11.2 |
bind-utils Red Hat:enterprise_linux:5::client | All versions | 30:9.3.6-25.P1.el5_11.2 |
bind Red Hat:enterprise_linux:5::client_workstation | All versions | 30:9.3.6-25.P1.el5_11.2 |
bind-chroot Red Hat:enterprise_linux:5::client_workstation | All versions | 30:9.3.6-25.P1.el5_11.2 |
bind-debuginfo Red Hat:enterprise_linux:5::client_workstation | All versions | 30:9.3.6-25.P1.el5_11.2 |
bind-devel Red Hat:enterprise_linux:5::client_workstation | All versions | 30:9.3.6-25.P1.el5_11.2 |
bind-libbind-devel Red Hat:enterprise_linux:5::client_workstation | All versions | 30:9.3.6-25.P1.el5_11.2 |
bind97 Red Hat:enterprise_linux:5::client_workstation | All versions | 32:9.7.0-21.P2.el5_11.1 |
bind97-chroot Red Hat:enterprise_linux:5::client_workstation | All versions | 32:9.7.0-21.P2.el5_11.1 |
bind97-debuginfo Red Hat:enterprise_linux:5::client_workstation | All versions | 32:9.7.0-21.P2.el5_11.1 |
bind97-devel Red Hat:enterprise_linux:5::client_workstation | All versions | 32:9.7.0-21.P2.el5_11.1 |
bind97-libs Red Hat:enterprise_linux:5::client_workstation | All versions | 32:9.7.0-21.P2.el5_11.1 |
bind97-utils Red Hat:enterprise_linux:5::client_workstation | All versions | 32:9.7.0-21.P2.el5_11.1 |
caching-nameserver Red Hat:enterprise_linux:5::client_workstation | All versions | 30:9.3.6-25.P1.el5_11.2 |
bind Red Hat:enterprise_linux:5::server | All versions | 30:9.3.6-25.P1.el5_11.2 |
bind-chroot Red Hat:enterprise_linux:5::server | All versions | 30:9.3.6-25.P1.el5_11.2 |
bind-debuginfo Red Hat:enterprise_linux:5::server | All versions | 30:9.3.6-25.P1.el5_11.2 |
bind-devel Red Hat:enterprise_linux:5::server | All versions | 30:9.3.6-25.P1.el5_11.2 |
bind-libbind-devel Red Hat:enterprise_linux:5::server | All versions | 30:9.3.6-25.P1.el5_11.2 |
bind-libs Red Hat:enterprise_linux:5::server | All versions | 30:9.3.6-25.P1.el5_11.2 |
bind-sdb Red Hat:enterprise_linux:5::server | All versions | 30:9.3.6-25.P1.el5_11.2 |
bind-utils Red Hat:enterprise_linux:5::server | All versions | 30:9.3.6-25.P1.el5_11.2 |
bind97 Red Hat:enterprise_linux:5::server | All versions | 32:9.7.0-21.P2.el5_11.1 |
bind97-chroot Red Hat:enterprise_linux:5::server | All versions | 32:9.7.0-21.P2.el5_11.1 |
bind97-debuginfo Red Hat:enterprise_linux:5::server | All versions | 32:9.7.0-21.P2.el5_11.1 |
bind97-devel Red Hat:enterprise_linux:5::server | All versions | 32:9.7.0-21.P2.el5_11.1 |
bind97-libs Red Hat:enterprise_linux:5::server | All versions | 32:9.7.0-21.P2.el5_11.1 |
bind97-utils Red Hat:enterprise_linux:5::server | All versions | 32:9.7.0-21.P2.el5_11.1 |
caching-nameserver Red Hat:enterprise_linux:5::server | All versions | 30:9.3.6-25.P1.el5_11.2 |
bind Red Hat:enterprise_linux:6::client | All versions | 32:9.8.2-0.30.rc1.el6_6.1 |
bind-chroot Red Hat:enterprise_linux:6::client | All versions | 32:9.8.2-0.30.rc1.el6_6.1 |
bind-debuginfo Red Hat:enterprise_linux:6::client | All versions | 32:9.8.2-0.30.rc1.el6_6.1 |
bind-devel Red Hat:enterprise_linux:6::client | All versions | 32:9.8.2-0.30.rc1.el6_6.1 |
bind-libs Red Hat:enterprise_linux:6::client | All versions | 32:9.8.2-0.30.rc1.el6_6.1 |
bind-sdb Red Hat:enterprise_linux:6::client | All versions | 32:9.8.2-0.30.rc1.el6_6.1 |
bind-utils Red Hat:enterprise_linux:6::client | All versions | 32:9.8.2-0.30.rc1.el6_6.1 |
bind Red Hat:enterprise_linux:6::computenode | All versions | 32:9.8.2-0.30.rc1.el6_6.1 |
Products include Isc Bind.
How do I fix CVE-2014-8500?
Apply the vendor's patch.
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-2014-8500 being exploited?
There is no known exploitation of CVE-2014-8500 in the wild and no public exploit code.
Other vulnerabilities in Isc Bind
Sources
Also known as DEBIAN-CVE-2014-8500, DLA-112-1, DSA-3094-1, GHSA-qcv9-4m2r-585w, MGASA-2014-0524, RHSA-2014:1984 and 3 more.