Squirrel up to 3.2: Local Code Execution through Null Pointer Dereference

Summary

A security issue in Squirrel version 3.2 or earlier can allow an attacker with local access to potentially execute malicious code. This could happen if a specific manipulation is carried out. We recommend updating to the latest version of Squirrel to fix the 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 determined in Squirrel up to 3.2. This vulnerability affects the function sqstd_rex_newnode in the library sqstdlib/sqstdrex.cpp. Executing a manipulation can lead to null point...

Original description

A vulnerability was determined in Squirrel up to 3.2. This vulnerability affects the function sqstd_rex_newnode in the library sqstdlib/sqstdrex.cpp. Executing a manipulation can lead to null pointer dereference. The attack can only be executed locally. The exploit has been publicly disclosed and may be utilized. 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-476 NULL Pointer Dereference

https://github.com/albertodemichelis/squirrel/issues/314 Exploit Issue Tracking Vendor Advisory
https://github.com/oneafter/0122/blob/main/i314/repro Exploit
https://vuldb.com/?ctiid.348275 Permissions Required VDB Entry
https://vuldb.com/?id.348275 Third Party Advisory VDB Entry
https://vuldb.com/?submit.761315 Third Party Advisory VDB Entry