# CVE-2013-4362: Privilege escalation in n/a

> Local attackers can exploit vulnerabilities in davfs2 to gain elevated privileges on Linux systems using WebDAV filesystems.

- **Severity:** High 7.2 (`AV:L/AC:L/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:** Yes
- **Published:** 30 Sep 2013
- **Updated:** 6 Aug 2024
- **Also known as:** DEBIAN-CVE-2013-4362, DSA-2765-1, GHSA-647p-v28r-5qg4, MGASA-2013-0304

## What is CVE-2013-4362?

CVE-2013-4362 is a high-severity vulnerability in n/a, published on 30 Sep 2013. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

WEB-DAV Linux File System (davfs2) 1.4.6 and 1.4.7 allow local users to gain privileges via unknown attack vectors in (1) kernel_interface.c and (2) mount_davfs.c, related to the "system" function.

Weakness: CWE-264

## Which versions are affected by CVE-2013-4362?

It affects 1 product.


Products: Werner Baumann Davfs2.

## How do I fix CVE-2013-4362?

Apply the vendor's patch.

## Is CVE-2013-4362 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2013-4362 exists.

Public exploit code:

- Automatically exploit systems with vulnerable davfs2 (CVE-2013-4362) (github_poc): https://github.com/notclement/Automatic-davfs2-1.4.6-1.4.7-Local-Privilege-Escalation
- davfs2 1.4.6/1.4.7 - Local Privilege Escalation (exploitdb)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2013-4362 and fix it if it is affected.

What it is: CVE-2013-4362 is a high-severity vulnerability in n/a, published on 30 Sep 2013. 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-2013-4362 exists.

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-2013-4362/ (Markdown: https://insights.sbomify.com/CVE-2013-4362/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2013-4362
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2013-4362
- OSV: https://osv.dev/vulnerability/CVE-2013-4362

---
From sbomify Insights: https://insights.sbomify.com/CVE-2013-4362/
Summaries are generated and may contain mistakes; the official description above is the record.