# CVE-2017-9962: Memory corruption in ClearSCADA

> Malformed requests can cause unexpected behavior in ClearSCADA client applications, potentially leading to denial of service.

- **Severity:** High 7.5 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 25 Sep 2017
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-8rrf-cfx9-434w

## What is CVE-2017-9962?

CVE-2017-9962 is a high-severity memory corruption vulnerability in Schneider Electric SE ClearSCADA, published on 25 Sep 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Schneider Electric's ClearSCADA versions released prior to August 2017 are susceptible to a memory allocation vulnerability, whereby malformed requests can be sent to ClearSCADA client applications to cause unexpected behavior. Client applications affected include ViewX and the Server Icon.

Weakness: CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

## Which versions are affected by CVE-2017-9962?

It affects 1 product.


Products: Aveva Clearscada.

## How do I fix CVE-2017-9962?

No fix has been published for CVE-2017-9962 yet. Limit exposure of the affected software until one is available.

## Is CVE-2017-9962 being exploited?

There is no known exploitation of CVE-2017-9962 in the wild and no public exploit code.

## Other vulnerabilities in Schneider Electric SE ClearSCADA

- [CVE-2011-3143](https://insights.sbomify.com/CVE-2011-3143/): Use after free in n/a (critical 10.0)
- [CVE-2017-6021](https://insights.sbomify.com/CVE-2017-6021/): Denial of service in ClearSCADA (high 7.5)
- [CVE-2014-0779](https://insights.sbomify.com/CVE-2014-0779/): Memory corruption in ClearSCADA (medium 6.8)
- [CVE-2014-5412](https://insights.sbomify.com/CVE-2014-5412/): Schneider Electric SCADA Expert ClearSCADA Improper Authentication (medium 6.4)
- [CVE-2014-5413](https://insights.sbomify.com/CVE-2014-5413/): Schneider Electric SCADA Expert ClearSCADA Cryptographic Issues (medium 6.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2017-9962 and fix it if it is affected.

What it is: CVE-2017-9962 is a high-severity memory corruption vulnerability in Schneider Electric SE ClearSCADA, published on 25 Sep 2017. 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-2017-9962 in the wild and no public exploit code.

Affected product: Schneider Electric SE ClearSCADA. 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-2017-9962/ (Markdown: https://insights.sbomify.com/CVE-2017-9962/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2017-9962
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2017-9962
- OSV: https://osv.dev/vulnerability/CVE-2017-9962

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From sbomify Insights: https://insights.sbomify.com/CVE-2017-9962/
Summaries are generated and may contain mistakes; the official description above is the record.