CVE-2022-4510 Path Traversal in binwalk
Attackers can achieve remote code execution by crafting malicious PFS files that exploit path traversal in binwalk's extraction mode.
- 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
What is CVE-2022-4510?
CVE-2022-4510 is a high-severity path traversal vulnerability in Refirm Labs binwalk, published on 25 Jan 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
A path traversal vulnerability was identified in ReFirm Labs binwalk from version 2.1.2b through 2.3.3 included. By crafting a malicious PFS filesystem file, an attacker can get binwalk's PFS extractor to extract files at arbitrary locations when binwalk is run in extraction mode (-e option). Remote code execution can be achieved by building a PFS filesystem that, upon extraction, would extract a malicious binwalk module into the folder .config/binwalk/plugins. This vulnerability is associated with program files src/binwalk/plugins/unpfs.py.
This issue affects binwalk from 2.1.2b through 2.3.3 included.
Weakness: CWE-22
Which versions are affected by CVE-2022-4510?
3 open source packages ship an affected version, including binwalk. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
binwalk PyPI | From 2.1.2b to 2.3.3 | None |
binwalk PyPI | From 2.1.2b to 2.3.3 | None |
binwalk PyPI | From 2.1.2b | 2.3.4 |
Linux distribution packages (1)
binwalk openSUSE:Tumbleweed | All versions | 2.3.3-2.1 |
Products include Microsoft Binwalk.
How do I fix CVE-2022-4510?
Upgrade binwalk to 2.3.4 or later.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2022-4510 being exploited?
There is no known exploitation of CVE-2022-4510 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry and 3 proofs of concept on GitHub.
Other vulnerabilities in Refirm Labs binwalk
Sources
Also known as DEBIAN-CVE-2022-4510, DLA-3339-1, DLA-4410-1, GHSA-3cm8-v4mc-gppg, MGASA-2023-0074, PYSEC-2026-787 and 2 more.