CVE-2021-21384

Public Exploit
Null characters not escaped in shescape

Description

shescape is a simple shell escape package for JavaScript. In shescape before version 1.1.3, anyone using _Shescape_ to defend against shell injection may still be vulnerable against shell injection if the attacker manages to insert a into the payload. For an example see the referenced GitHub Security Advisory. The problem has been patched in version 1.1.3. No further changes are required.

Category

6.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.17%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com
Affected: ericcornelissen shescape
Published at:
Updated at:

References

Link Tags
https://github.com/ericcornelissen/shescape/security/advisories/GHSA-f2rp-38vg-j3gh third party advisory exploit
https://github.com/ericcornelissen/shescape/commit/07a069a66423809cbedd61d980c11ca44a29ea2b third party advisory patch
https://github.com/ericcornelissen/shescape/releases/tag/v1.1.3 third party advisory release notes
https://www.npmjs.com/package/shescape product

Frequently Asked Questions

What is the severity of CVE-2021-21384?
CVE-2021-21384 has been scored as a medium severity vulnerability.
How to fix CVE-2021-21384?
To fix CVE-2021-21384, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-21384 being actively exploited in the wild?
It is possible that CVE-2021-21384 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-21384?
CVE-2021-21384 affects ericcornelissen shescape.
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