CVE-2012-1172 The file-upload implementation in rfc1867.c in PHP before 5.4.0 does not properly handle invalid [ (open square bracket) characters in name
Medium 5.8
Published
Updated
Check this codebase for CVE-2012-1172 and fix it if it is affected.
What it is: CVE-2012-1172 is a medium-severity vulnerability in Php Php, published on 24 May 2012.
Exploitation: There is no known exploitation of CVE-2012-1172 in the wild and no public exploit code.
Affected product: Php Php. 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-2012-1172/ (Markdown: https://insights.sbomify.com/CVE-2012-1172/index.md)
- Exploited in the wild
- Not known
- Fix
- Available
What is CVE-2012-1172?
CVE-2012-1172 is a medium-severity vulnerability in Php Php, published on 24 May 2012.
Official description
The file-upload implementation in rfc1867.c in PHP before 5.4.0 does not properly handle invalid [ (open square bracket) characters in name values, which makes it easier for remote attackers to cause a denial of service (malformed $_FILES indexes) or conduct directory traversal attacks during multi-file uploads by leveraging a script that lacks its own filename restrictions.
Weakness: CWE-20
Which versions are affected by CVE-2012-1172?
It affects 1 product.
Products include Php Php.
How do I fix CVE-2012-1172?
Upgrade to a fixed version.
Is CVE-2012-1172 being exploited?
There is no known exploitation of CVE-2012-1172 in the wild and no public exploit code.
Other vulnerabilities in Php Php
Sources
Also known as GHSA-jpm9-86g2-j2gx.