CVE-2023-40185

Public Exploit
Shescape on Windows escaping may be bypassed in threaded context

Description

shescape is simple shell escape library for JavaScript. This may impact users that use Shescape on Windows in a threaded context. The vulnerability can result in Shescape escaping (or quoting) for the wrong shell, thus allowing attackers to bypass protections depending on the combination of expected and used shell. This bug has been patched in version 1.7.4.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.08%
Vendor Advisory github.com
Affected: ericcornelissen shescape
Published at:
Updated at:

References

Link Tags
https://github.com/ericcornelissen/shescape/security/advisories/GHSA-j55r-787p-m549 patch vendor advisory exploit
https://github.com/ericcornelissen/shescape/pull/1142 patch
https://github.com/ericcornelissen/shescape/commit/0b976dab645abf45ffd85e74a8c6e51ee2f42d63 patch
https://github.com/ericcornelissen/shescape/releases/tag/v1.7.4 release notes

Frequently Asked Questions

What is the severity of CVE-2023-40185?
CVE-2023-40185 has been scored as a medium severity vulnerability.
How to fix CVE-2023-40185?
To fix CVE-2023-40185, 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-2023-40185 being actively exploited in the wild?
It is possible that CVE-2023-40185 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-2023-40185?
CVE-2023-40185 affects ericcornelissen shescape.
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