# 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. - **Severity:** High 7.8 (`AV:N/AC:L/Au:N/C:N/I:N/A:C`) - **Exploited in the wild:** Not known - **Login needed:** Not needed - **Attackable:** Over the internet - **Victim action needed:** Not needed - **Fix available:** Yes - **Published:** 11 Dec 2014 - **Updated:** 6 Aug 2024 - **Also known as:** DEBIAN-CVE-2014-8500, DLA-112-1, DSA-3094-1, GHSA-qcv9-4m2r-585w, MGASA-2014-0524, RHSA-2014:1984, RHSA-2014:1985, UBUNTU-CVE-2014-8500, USN-2437-1 ## 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. | Package | Ecosystem | Affected | Fixed in | | --- | --- | --- | --- | | `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: Isc Bind. ## How do I fix CVE-2014-8500? Apply the vendor's patch. ## 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 - [CVE-2008-0122](https://insights.sbomify.com/CVE-2008-0122/): Memory corruption in n/a (critical 10.0) - [CVE-2001-0010](https://insights.sbomify.com/CVE-2001-0010/): Memory corruption in n/a (critical 10.0) - [CVE-2001-0011](https://insights.sbomify.com/CVE-2001-0011/): Memory corruption in n/a (critical 10.0) - [CVE-2001-0013](https://insights.sbomify.com/CVE-2001-0013/): Memory corruption in n/a (critical 10.0) - [CVE-2000-1029](https://insights.sbomify.com/CVE-2000-1029/): Memory corruption in n/a (critical 10.0) ## Fix prompt for AI coding agents ```text Check this codebase for CVE-2014-8500 and fix it if it is affected. What it is: 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. Exploitation: There is no known exploitation of CVE-2014-8500 in the wild and no public exploit code. Affected product: Isc Bind. No package-level version data is available, so check the vendor advisory linked from the reference page. Task: 1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies. 2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it. 3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead. 4. Run the tests and summarise what changed and why. 5. If nothing in the project is affected, say so and change nothing. Reference: https://insights.sbomify.com/CVE-2014-8500/ (Markdown: https://insights.sbomify.com/CVE-2014-8500/index.md) ``` ## Sources - CVE record: https://www.cve.org/CVERecord?id=CVE-2014-8500 - NVD: https://nvd.nist.gov/vuln/detail/CVE-2014-8500 - OSV: https://osv.dev/vulnerability/CVE-2014-8500 --- From sbomify Insights: https://insights.sbomify.com/CVE-2014-8500/ Summaries are generated and may contain mistakes; the official description above is the record.