CVE-2021-42057 Obsidian Dataview vulnerable to code injection due to unsafe eval
Attackers can execute arbitrary code by crafting malicious Markdown files processed by the Dataview plugin in Obsidian.
- 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-2021-42057?
CVE-2021-42057 is a high-severity code injection vulnerability in n/a, published on 4 Nov 2021. 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
Obsidian Dataview through 0.4.12-hotfix1 allows eval injection. The evalInContext function in executes user input, which allows an attacker to craft malicious Markdown files that will execute arbitrary code once opened. NOTE: 0.4.13 provides a mitigation for some use cases.
Weakness: CWE-94
Which versions are affected by CVE-2021-42057?
2 open source packages ship an affected version, including obsidian-dataview. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
obsidian-dataview npm | All versions | 0.4.13 |
obsidian-dataview npm | All versions | 0.4.13 |
Products include Obsidian Obsidian Dataview.
How do I fix CVE-2021-42057?
Upgrade obsidian-dataview to 0.4.13 or later.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2021-42057 being exploited?
There is no known exploitation of CVE-2021-42057 in the wild and no public exploit code.
Sources
Also known as GHSA-xfg5-vrmc-24wc.