CVE-2021-23397 Prototype Pollution
Prototype pollution in the merge function allows attackers to modify object prototypes, potentially leading to code execution or privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-23397?
CVE-2021-23397 is a medium-severity vulnerability in @ianwalter/merge, published on 25 Jul 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
All versions of package @ianwalter/merge are vulnerable to Prototype Pollution via the main (merge) function. Maintainer suggests using @generates/merger instead.
Weakness: CWE-1321
Which versions are affected by CVE-2021-23397?
2 open source packages ship an affected version, including @ianwalter/merge. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
@ianwalter/merge npm | All versions to 9.0.1 | None |
@ianwalter/merge npm | All versions to 9.0.1 | None |
Products include Merge Project Merge.
How do I fix CVE-2021-23397?
No fix has been published for CVE-2021-23397 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-23397 being exploited?
There is no known exploitation of CVE-2021-23397 in the wild and no public exploit code.
Other vulnerabilities in @ianwalter/merge
Sources
Also known as GHSA-42m6-g935-5vmq.