# CVE-2022-28965: Other in n/a

> Attackers can execute arbitrary code or cause denial of service via DLL hijacking in Avast Premium Security components.

- **Severity:** Medium 6.5 (`CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 20 May 2022
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-rpg4-8g9f-9p3r

## What is CVE-2022-28965?

CVE-2022-28965 is a medium-severity vulnerability in n/a, published on 20 May 2022. 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

Multiple DLL hijacking vulnerabilities via the components instup.exe and wsc_proxy.exe in Avast Premium Security before v21.11.2500 allows attackers to execute arbitrary code or cause a Denial of Service (DoS) via a crafted DLL file.

Weakness: CWE-427 (Uncontrolled Search Path Element)

## Which versions are affected by CVE-2022-28965?

It affects 1 product.


Products: Avast Premium Security.

## How do I fix CVE-2022-28965?

No fix has been published for CVE-2022-28965 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-28965 being exploited?

There is no known exploitation of CVE-2022-28965 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2023-42125](https://insights.sbomify.com/CVE-2023-42125/): Avast Premium Security Sandbox Protection Link Following Privilege Escalation Vulnerability (high 7.8)
- [CVE-2019-18894](https://insights.sbomify.com/CVE-2019-18894/): Command injection in n/a (high 7.8)
- [CVE-2022-28964](https://insights.sbomify.com/CVE-2022-28964/): Path traversal in n/a (high 7.1)
- [CVE-2021-27241](https://insights.sbomify.com/CVE-2021-27241/): Path traversal in Premium Security (medium 6.1)
- [CVE-2023-42124](https://insights.sbomify.com/CVE-2023-42124/): Avast Premium Security Sandbox Protection Incorrect Authorization Privilege Escalation Vulnerability (medium 5.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-28965 and fix it if it is affected.

What it is: CVE-2022-28965 is a medium-severity vulnerability in n/a, published on 20 May 2022. 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-2022-28965 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-2022-28965/ (Markdown: https://insights.sbomify.com/CVE-2022-28965/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-28965
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-28965
- OSV: https://osv.dev/vulnerability/CVE-2022-28965

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-28965/
Summaries are generated and may contain mistakes; the official description above is the record.