# CVE-2023-33990: Denial of Service (DoS) vulnerability in SAP SQL Anywhere

> A local low-privileged attacker can crash the SAP SQL Anywhere service or modify shared memory data on Windows systems.

- **Severity:** High 7.8 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 11 Jul 2023
- **Updated:** 8 Nov 2024
- **Also known as:** GHSA-fj2m-7r3q-j27x

## What is CVE-2023-33990?

CVE-2023-33990 is a high-severity denial of service vulnerability in SAP_SE SAP SQL Anywhere, published on 11 Jul 2023. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

SAP SQL Anywhere - version 17.0, allows an attacker to prevent legitimate users from accessing the service by crashing the service. An attacker with low privileged account and access to the local system can write into the shared memory objects. This can be leveraged by an attacker to perform a Denial of Service. Further, an attacker might be able to modify sensitive data in shared memory objects.This issue only affects SAP SQL Anywhere on Windows. Other platforms are not impacted.

Weakness: CWE-732 (Incorrect Permission Assignment for Critical Resource), CWE-277 (Insecure Inherited Permissions)

## Which versions are affected by CVE-2023-33990?

It affects 1 product.


Products: Sap Sql Anywhere.

## How do I fix CVE-2023-33990?

No fix has been published for CVE-2023-33990 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-33990 being exploited?

There is no known exploitation of CVE-2023-33990 in the wild and no public exploit code.

## Other vulnerabilities in SAP_SE SAP SQL Anywhere

- [CVE-2014-9264](https://insights.sbomify.com/CVE-2014-9264/): Memory corruption in n/a (high 7.5)
- [CVE-2022-41259](https://insights.sbomify.com/CVE-2022-41259/): Denial of service in SAP SQL Anywhere (medium 6.5)
- [CVE-2022-27670](https://insights.sbomify.com/CVE-2022-27670/): Denial of service in SAP SQL Anywhere Server (medium 6.5)
- [CVE-2015-2819](https://insights.sbomify.com/CVE-2015-2819/): Denial of service in n/a (medium 5.0)
- [CVE-2016-10310](https://insights.sbomify.com/CVE-2016-10310/): Memory corruption in n/a (medium 4.9)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-33990 and fix it if it is affected.

What it is: CVE-2023-33990 is a high-severity denial of service vulnerability in SAP_SE SAP SQL Anywhere, published on 11 Jul 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-33990 in the wild and no public exploit code.

Affected product: SAP_SE SAP SQL Anywhere. 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-2023-33990/ (Markdown: https://insights.sbomify.com/CVE-2023-33990/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-33990
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-33990
- OSV: https://osv.dev/vulnerability/CVE-2023-33990

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From sbomify Insights: https://insights.sbomify.com/CVE-2023-33990/
Summaries are generated and may contain mistakes; the official description above is the record.