# CVE-2012-0833: Denial of service in n/a

> Authenticated LDAP users can cause a denial of service via infinite loop in 389 Directory Server when using certificate groups.

- **Severity:** Low 2.3 (`AV:A/AC:M/Au:S/C:N/I:N/A:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 3 Jul 2012
- **Updated:** 6 Aug 2024
- **Also known as:** GHSA-29ch-37gp-6r87, RHSA-2012:0813, RHSA-2013:0549

## What is CVE-2012-0833?

CVE-2012-0833 is a low-severity denial of service vulnerability in n/a, published on 3 Jul 2012. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The acllas__handle_group_entry function in servers/plugins/acl/acllas.c in 389 Directory Server before 1.2.10 does not properly handled access control instructions (ACIs) that use certificate groups, which allows remote authenticated LDAP users with a certificate group to cause a denial of service (infinite loop and CPU consumption) by binding to the server.

Weakness: CWE-264

## Which versions are affected by CVE-2012-0833?

It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `adminutil` | Red Hat:directory_server:8::el5 | All versions | 0:1.1.8-3.el5dsrv |
| `adminutil-debuginfo` | Red Hat:directory_server:8::el5 | All versions | 0:1.1.8-3.el5dsrv |
| `adminutil-devel` | Red Hat:directory_server:8::el5 | All versions | 0:1.1.8-3.el5dsrv |
| `redhat-ds-base` | Red Hat:directory_server:8::el5 | All versions | 0:8.2.11-5.el5dsrv |
| `redhat-ds-base-debuginfo` | Red Hat:directory_server:8::el5 | All versions | 0:8.2.11-5.el5dsrv |
| `redhat-ds-base-devel` | Red Hat:directory_server:8::el5 | All versions | 0:8.2.11-5.el5dsrv |
| `389-ds-base` | Red Hat:enterprise_linux:6::client | All versions | 0:1.2.10.2-15.el6 |
| `389-ds-base-debuginfo` | Red Hat:enterprise_linux:6::client | All versions | 0:1.2.10.2-15.el6 |
| `389-ds-base-devel` | Red Hat:enterprise_linux:6::client | All versions | 0:1.2.10.2-15.el6 |
| `389-ds-base-libs` | Red Hat:enterprise_linux:6::client | All versions | 0:1.2.10.2-15.el6 |
| `389-ds-base` | Red Hat:enterprise_linux:6::computenode | All versions | 0:1.2.10.2-15.el6 |
| `389-ds-base-debuginfo` | Red Hat:enterprise_linux:6::computenode | All versions | 0:1.2.10.2-15.el6 |
| `389-ds-base-devel` | Red Hat:enterprise_linux:6::computenode | All versions | 0:1.2.10.2-15.el6 |
| `389-ds-base-libs` | Red Hat:enterprise_linux:6::computenode | All versions | 0:1.2.10.2-15.el6 |
| `389-ds-base` | Red Hat:enterprise_linux:6::server | All versions | 0:1.2.10.2-15.el6 |
| `389-ds-base-debuginfo` | Red Hat:enterprise_linux:6::server | All versions | 0:1.2.10.2-15.el6 |
| `389-ds-base-devel` | Red Hat:enterprise_linux:6::server | All versions | 0:1.2.10.2-15.el6 |
| `389-ds-base-libs` | Red Hat:enterprise_linux:6::server | All versions | 0:1.2.10.2-15.el6 |
| `389-ds-base` | Red Hat:enterprise_linux:6::workstation | All versions | 0:1.2.10.2-15.el6 |
| `389-ds-base-debuginfo` | Red Hat:enterprise_linux:6::workstation | All versions | 0:1.2.10.2-15.el6 |
| `389-ds-base-devel` | Red Hat:enterprise_linux:6::workstation | All versions | 0:1.2.10.2-15.el6 |
| `389-ds-base-libs` | Red Hat:enterprise_linux:6::workstation | All versions | 0:1.2.10.2-15.el6 |

Products: Fedoraproject 389 Directory Server.

## How do I fix CVE-2012-0833?

Upgrade to a fixed version.

## Is CVE-2012-0833 being exploited?

There is no known exploitation of CVE-2012-0833 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2017-7551](https://insights.sbomify.com/CVE-2017-7551/): Information disclosure in 389-ds-base (critical 9.8)
- [CVE-2017-15135](https://insights.sbomify.com/CVE-2017-15135/): Auth bypass in 389-ds-base (high 8.1)
- [CVE-2019-10171](https://insights.sbomify.com/CVE-2019-10171/): Denial of service in 389-ds-base (high 7.5)
- [CVE-2018-14638](https://insights.sbomify.com/CVE-2018-14638/): Denial of service in 389-ds-base (high 7.5)
- [CVE-2018-1054](https://insights.sbomify.com/CVE-2018-1054/): Denial of service in 389-ds-base (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2012-0833 and fix it if it is affected.

What it is: CVE-2012-0833 is a low-severity denial of service vulnerability in n/a, published on 3 Jul 2012. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2012-0833 in the wild and no public exploit code.

Affected product: n/a. 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-2012-0833/ (Markdown: https://insights.sbomify.com/CVE-2012-0833/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2012-0833
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2012-0833
- OSV: https://osv.dev/vulnerability/CVE-2012-0833

---
From sbomify Insights: https://insights.sbomify.com/CVE-2012-0833/
Summaries are generated and may contain mistakes; the official description above is the record.