# CVE-2007-1401: Memory corruption in n/a

> Local attackers can exploit a buffer overflow in the PHP CrackLib extension to escalate privileges via a long argument to crack_opendict.

- **Severity:** Medium 6.9 (`AV:L/AC:M/Au:N/C:C/I:C/A:C`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 10 Mar 2007
- **Updated:** 7 Aug 2024
- **Also known as:** GHSA-qw5p-mqmr-476h

## What is CVE-2007-1401?

CVE-2007-1401 is a medium-severity memory corruption vulnerability in Php Php, published on 10 Mar 2007. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Buffer overflow in the crack extension (CrackLib), as bundled with PHP 4.4.6 and other versions before 5.0.0, might allow local users to gain privileges via a long argument to the crack_opendict function.

## Which versions are affected by CVE-2007-1401?

It affects 1 product.


Products: Php Php.

## How do I fix CVE-2007-1401?

No fix has been published for CVE-2007-1401 yet. Limit exposure of the affected software until one is available.

## Is CVE-2007-1401 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2007-1401 exists.

Public exploit code:

- PHP 4.4.6 - 'crack_opendict()' Local Buffer Overflow (exploitdb)

## Other vulnerabilities in Php Php

- [CVE-2012-2688](https://insights.sbomify.com/CVE-2012-2688/): Integer overflow in n/a (critical 10.0)
- [CVE-2012-2376](https://insights.sbomify.com/CVE-2012-2376/): Memory corruption in n/a (critical 10.0)
- [CVE-2011-3268](https://insights.sbomify.com/CVE-2011-3268/): Memory corruption in n/a (critical 10.0)
- [CVE-2009-4143](https://insights.sbomify.com/CVE-2009-4143/): Other in n/a (critical 10.0)
- [CVE-2008-5557](https://insights.sbomify.com/CVE-2008-5557/): Memory corruption in n/a (critical 10.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2007-1401 and fix it if it is affected.

What it is: CVE-2007-1401 is a medium-severity memory corruption vulnerability in Php Php, published on 10 Mar 2007. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2007-1401 exists.

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-2007-1401/ (Markdown: https://insights.sbomify.com/CVE-2007-1401/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2007-1401
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2007-1401
- OSV: https://osv.dev/vulnerability/CVE-2007-1401

---
From sbomify Insights: https://insights.sbomify.com/CVE-2007-1401/
Summaries are generated and may contain mistakes; the official description above is the record.