CVE-2019-15640 File upload in n/a
High 7.5
Published
Updated
Check this codebase for CVE-2019-15640 and fix it if it is affected.
What it is: CVE-2019-15640 is a high-severity vulnerability in Limesurvey Limesurvey, published on 26 Aug 2019. 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-2019-15640 in the wild and no public exploit code.
Affected product: Limesurvey Limesurvey. 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-2019-15640/ (Markdown: https://insights.sbomify.com/CVE-2019-15640/index.md)
Attackers can upload malicious files by bypassing MIME and extension checks, potentially leading to remote code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-15640?
CVE-2019-15640 is a high-severity vulnerability in Limesurvey Limesurvey, published on 26 Aug 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Limesurvey before 3.17.10 does not validate both the MIME type and file extension of an image.
Weakness: CWE-20
Which versions are affected by CVE-2019-15640?
It affects 1 product.
Products include Limesurvey Limesurvey.
How do I fix CVE-2019-15640?
No fix has been published for CVE-2019-15640 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-15640 being exploited?
There is no known exploitation of CVE-2019-15640 in the wild and no public exploit code.
Other vulnerabilities in Limesurvey Limesurvey
Sources
Also known as GHSA-j87v-32pp-p2qx.