# CVE-2023-3434: QRC Handler without Input Validation in Jami

> An attacker can execute arbitrary commands on Windows by sending a malicious HTML anchor tag through the Jami messenger.

- **Severity:** Medium 4.4 (`CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 14 Jul 2023
- **Updated:** 22 Oct 2024
- **Also known as:** GHSA-rqg8-85fc-g6f4

## What is CVE-2023-3434?

CVE-2023-3434 is a medium-severity command injection vulnerability in Savoir-faire Linux Jami, published on 14 Jul 2023. 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

Improper Input Validation in the hyperlink interpretation in Savoir-faire Linux's Jami (version 20222284) on Windows. 

This allows an attacker to send a custom HTML anchor tag to pass a string value to the Windows QRC Handler through the Jami messenger.

Weakness: CWE-20 (Improper Input Validation)

## Which versions are affected by CVE-2023-3434?

It affects 1 product.


Products: Savoirfairelinux Jami.

## How do I fix CVE-2023-3434?

No fix has been published for CVE-2023-3434 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-3434 being exploited?

There is no known exploitation of CVE-2023-3434 in the wild and no public exploit code.

## Other vulnerabilities in Savoir-faire Linux Jami

- [CVE-2023-3433](https://insights.sbomify.com/CVE-2023-3433/): Local Denial of Service in Jami (medium 5.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-3434 and fix it if it is affected.

What it is: CVE-2023-3434 is a medium-severity command injection vulnerability in Savoir-faire Linux Jami, published on 14 Jul 2023. 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-2023-3434 in the wild and no public exploit code.

Affected product: Savoir-faire Linux Jami. 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-2023-3434/ (Markdown: https://insights.sbomify.com/CVE-2023-3434/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-3434
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-3434
- OSV: https://osv.dev/vulnerability/CVE-2023-3434

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-3434/
Summaries are generated and may contain mistakes; the official description above is the record.