# CVE-2009-3100: Denial of service in n/a

> Local users can cause a system hang by locking the screen and triggering an Accessibility pop-up in xscreensaver on Solaris systems.

- **Severity:** Medium 4.0 (`AV:L/AC:H/Au:N/C:N/I:N/A:C`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 8 Sep 2009
- **Updated:** 17 Sep 2024
- **Also known as:** GHSA-968q-p5w6-ghj4

## What is CVE-2009-3100?

CVE-2009-3100 is a medium-severity denial of service vulnerability in Sun Opensolaris, published on 8 Sep 2009. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

### Official description

xscreensaver (aka Gnome-XScreenSaver) in Sun Solaris 9 and 10, OpenSolaris snv_109 through snv_122, and X11 6.4.1 on Solaris 8 does not properly handle Accessibility support, which allows local users to cause a denial of service (system hang) by locking the screen and then attempting to launch an Accessibility pop-up window, related to a regression in certain Solaris and OpenSolaris patches.

## Which versions are affected by CVE-2009-3100?

It affects 3 products.


Products: Sun Opensolaris, Sun Solaris, X.org X11.

## How do I fix CVE-2009-3100?

No fix has been published for CVE-2009-3100 yet. Limit exposure of the affected software until one is available.

## Is CVE-2009-3100 being exploited?

There is no known exploitation of CVE-2009-3100 in the wild and no public exploit code.

## Other vulnerabilities in Sun Opensolaris

- [CVE-2009-2296](https://insights.sbomify.com/CVE-2009-2296/): Missing authorization in n/a (critical 10.0)
- [CVE-2008-5010](https://insights.sbomify.com/CVE-2008-5010/): Denial of service in n/a (critical 10.0)
- [CVE-2008-0964](https://insights.sbomify.com/CVE-2008-0964/): Memory corruption in n/a (critical 9.3)
- [CVE-2008-0965](https://insights.sbomify.com/CVE-2008-0965/): Memory corruption in n/a (critical 9.3)
- [CVE-2008-7300](https://insights.sbomify.com/CVE-2008-7300/): Security feature bypass in n/a (high 8.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2009-3100 and fix it if it is affected.

What it is: CVE-2009-3100 is a medium-severity denial of service vulnerability in Sun Opensolaris, published on 8 Sep 2009. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2009-3100 in the wild and no public exploit code.

Affected product: Sun Opensolaris. 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-2009-3100/ (Markdown: https://insights.sbomify.com/CVE-2009-3100/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2009-3100
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2009-3100
- OSV: https://osv.dev/vulnerability/CVE-2009-3100

---
From sbomify Insights: https://insights.sbomify.com/CVE-2009-3100/
Summaries are generated and may contain mistakes; the official description above is the record.