Squirrel up to 3.2 allows uncontrolled recursion

Summary

A security issue in Squirrel, a scripting language, can cause a program to crash or behave unexpectedly. This affects any software that uses Squirrel version 3.2 or earlier. We recommend updating to a fixed version of Squirrel to prevent this issue.

What to do

No fix is available yet. Check with your software vendor for updates.

Affected software

Vendor	Product	Affected versions	Fix available
squirrel-lang	squirrel	<= 3.2	–

Original title

A vulnerability was found in Squirrel up to 3.2. This affects the function SQCompiler::Factor/SQCompiler::UnaryOP of the file squirrel/sqcompiler.cpp. Performing a manipulation results in uncontrol...

Original description

A vulnerability was found in Squirrel up to 3.2. This affects the function SQCompiler::Factor/SQCompiler::UnaryOP of the file squirrel/sqcompiler.cpp. Performing a manipulation results in uncontrolled recursion. The attack needs to be approached locally. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.

nvd CVSS2.0 1.7

nvd CVSS3.1 5.5

nvd CVSS4.0 4.8

Vulnerability type

CWE-404

CWE-674

https://github.com/albertodemichelis/squirrel/issues/312 Exploit Issue Tracking Vendor Advisory
https://github.com/oneafter/0122/blob/main/i312/repro Exploit
https://vuldb.com/?ctiid.348274 Permissions Required VDB Entry
https://vuldb.com/?id.348274 Third Party Advisory VDB Entry
https://vuldb.com/?submit.761314 Third Party Advisory VDB Entry