# CVE-2008-2952: Denial of service in n/a > Remote attackers can cause denial of service in OpenLDAP via crafted ASN.1 BER datagrams triggering an assertion error. - **Severity:** Medium 5.0 (`AV:N/AC:L/Au:N/C:N/I:N/A:P`) - **Exploited in the wild:** Not known - **Login needed:** Not needed - **Attackable:** Over the internet - **Victim action needed:** Not needed - **Fix available:** Yes - **Published:** 1 Jul 2008 - **Updated:** 7 Aug 2024 - **Also known as:** DEBIAN-CVE-2008-2952, DSA-1650-1, DTSA-151-1, GHSA-mgjr-3gvp-wpc2, RHSA-2008:0583 ## What is CVE-2008-2952? CVE-2008-2952 is a medium-severity denial of service vulnerability in Openldap Openldap, published on 1 Jul 2008. An attacker can exploit it over the internet without logging in, with no action from the victim. ### Official description liblber/io.c in OpenLDAP 2.2.4 to 2.4.10 allows remote attackers to cause a denial of service (program termination) via crafted ASN.1 BER datagrams that trigger an assertion error. Weakness: CWE-399 ## Which versions are affected by CVE-2008-2952? It affects 1 product. | Package | Ecosystem | Affected | Fixed in | | --- | --- | --- | --- | | `compat-openldap` | Red Hat:enterprise_linux:4::as | All versions | 0:2.1.30-8.el4_6.5 | | `openldap` | Red Hat:enterprise_linux:4::as | All versions | 0:2.2.13-8.el4_6.5 | | `openldap-clients` | Red Hat:enterprise_linux:4::as | All versions | 0:2.2.13-8.el4_6.5 | | `openldap-debuginfo` | Red Hat:enterprise_linux:4::as | All versions | 0:2.2.13-8.el4_6.5 | | `openldap-devel` | Red Hat:enterprise_linux:4::as | All versions | 0:2.2.13-8.el4_6.5 | | `openldap-servers` | Red Hat:enterprise_linux:4::as | All versions | 0:2.2.13-8.el4_6.5 | | `openldap-servers-sql` | Red Hat:enterprise_linux:4::as | All versions | 0:2.2.13-8.el4_6.5 | | `compat-openldap` | Red Hat:enterprise_linux:4::desktop | All versions | 0:2.1.30-8.el4_6.5 | | `openldap` | Red Hat:enterprise_linux:4::desktop | All versions | 0:2.2.13-8.el4_6.5 | | `openldap-clients` | Red Hat:enterprise_linux:4::desktop | All versions | 0:2.2.13-8.el4_6.5 | | `openldap-debuginfo` | Red Hat:enterprise_linux:4::desktop | All versions | 0:2.2.13-8.el4_6.5 | | `openldap-devel` | Red Hat:enterprise_linux:4::desktop | All versions | 0:2.2.13-8.el4_6.5 | | `openldap-servers` | Red Hat:enterprise_linux:4::desktop | All versions | 0:2.2.13-8.el4_6.5 | | `openldap-servers-sql` | Red Hat:enterprise_linux:4::desktop | All versions | 0:2.2.13-8.el4_6.5 | | `compat-openldap` | Red Hat:enterprise_linux:4::es | All versions | 0:2.1.30-8.el4_6.5 | | `openldap` | Red Hat:enterprise_linux:4::es | All versions | 0:2.2.13-8.el4_6.5 | | `openldap-clients` | Red Hat:enterprise_linux:4::es | All versions | 0:2.2.13-8.el4_6.5 | | `openldap-debuginfo` | Red Hat:enterprise_linux:4::es | All versions | 0:2.2.13-8.el4_6.5 | | `openldap-devel` | Red Hat:enterprise_linux:4::es | All versions | 0:2.2.13-8.el4_6.5 | | `openldap-servers` | Red Hat:enterprise_linux:4::es | All versions | 0:2.2.13-8.el4_6.5 | | `openldap-servers-sql` | Red Hat:enterprise_linux:4::es | All versions | 0:2.2.13-8.el4_6.5 | | `compat-openldap` | Red Hat:enterprise_linux:4::ws | All versions | 0:2.1.30-8.el4_6.5 | | `openldap` | Red Hat:enterprise_linux:4::ws | All versions | 0:2.2.13-8.el4_6.5 | | `openldap-clients` | Red Hat:enterprise_linux:4::ws | All versions | 0:2.2.13-8.el4_6.5 | | `openldap-debuginfo` | Red Hat:enterprise_linux:4::ws | All versions | 0:2.2.13-8.el4_6.5 | | `openldap-devel` | Red Hat:enterprise_linux:4::ws | All versions | 0:2.2.13-8.el4_6.5 | | `openldap-servers` | Red Hat:enterprise_linux:4::ws | All versions | 0:2.2.13-8.el4_6.5 | | `openldap-servers-sql` | Red Hat:enterprise_linux:4::ws | All versions | 0:2.2.13-8.el4_6.5 | | `compat-openldap` | Red Hat:enterprise_linux:5::client | All versions | 0:2.3.27_2.2.29-8.el5_2.4 | | `openldap` | Red Hat:enterprise_linux:5::client | All versions | 0:2.3.27-8.el5_2.4 | | `openldap-clients` | Red Hat:enterprise_linux:5::client | All versions | 0:2.3.27-8.el5_2.4 | | `openldap-debuginfo` | Red Hat:enterprise_linux:5::client | All versions | 0:2.3.27-8.el5_2.4 | | `openldap` | Red Hat:enterprise_linux:5::client_workstation | All versions | 0:2.3.27-8.el5_2.4 | | `openldap-debuginfo` | Red Hat:enterprise_linux:5::client_workstation | All versions | 0:2.3.27-8.el5_2.4 | | `openldap-devel` | Red Hat:enterprise_linux:5::client_workstation | All versions | 0:2.3.27-8.el5_2.4 | | `openldap-servers` | Red Hat:enterprise_linux:5::client_workstation | All versions | 0:2.3.27-8.el5_2.4 | | `openldap-servers-sql` | Red Hat:enterprise_linux:5::client_workstation | All versions | 0:2.3.27-8.el5_2.4 | | `compat-openldap` | Red Hat:enterprise_linux:5::server | All versions | 0:2.3.27_2.2.29-8.el5_2.4 | | `openldap` | Red Hat:enterprise_linux:5::server | All versions | 0:2.3.27-8.el5_2.4 | | `openldap-clients` | Red Hat:enterprise_linux:5::server | All versions | 0:2.3.27-8.el5_2.4 | Products: Openldap Openldap. ## How do I fix CVE-2008-2952? Upgrade to a fixed version. ## Is CVE-2008-2952 being exploited? It is not confirmed as exploited in the wild, but public exploit code for CVE-2008-2952 exists. Public exploit code: - OpenLDAP 2.3.41 - BER Decoding Remote Denial of Service (exploitdb) ## Other vulnerabilities in Openldap Openldap - [CVE-2015-3276](https://insights.sbomify.com/CVE-2015-3276/): Weak cryptography in n/a (high 7.5) - [CVE-2002-1378](https://insights.sbomify.com/CVE-2002-1378/): Memory corruption in n/a (high 7.5) - [CVE-2002-1379](https://insights.sbomify.com/CVE-2002-1379/): Code injection in n/a (high 7.5) - [CVE-2002-0045](https://insights.sbomify.com/CVE-2002-0045/): Missing authorization in n/a (high 7.5) - [CVE-2005-4442](https://insights.sbomify.com/CVE-2005-4442/): Privilege escalation in n/a (high 7.2) ## Fix prompt for AI coding agents ```text Check this codebase for CVE-2008-2952 and fix it if it is affected. What it is: CVE-2008-2952 is a medium-severity denial of service vulnerability in Openldap Openldap, published on 1 Jul 2008. An attacker can exploit it over the internet without logging in, with no action from the victim. Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2008-2952 exists. Affected product: Openldap Openldap. 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-2008-2952/ (Markdown: https://insights.sbomify.com/CVE-2008-2952/index.md) ``` ## Sources - CVE record: https://www.cve.org/CVERecord?id=CVE-2008-2952 - NVD: https://nvd.nist.gov/vuln/detail/CVE-2008-2952 - OSV: https://osv.dev/vulnerability/CVE-2008-2952 --- From sbomify Insights: https://insights.sbomify.com/CVE-2008-2952/ Summaries are generated and may contain mistakes; the official description above is the record.