Affected versions of pngcrush-installer insecurely download an executable over an unencrypted HTTP connection.

In scenarios where an attacker has a privileged network position, it is possible to intercept the response and replace the executable with a malicious one, resulting in code execution on the system running pngcrush-installer.

Recommendation

Update to version 1.8.10 or later.

References

• https://nvd.nist.gov/vuln/detail/CVE-2016-10570
• GHSA-g93h-75m9-3qq4
• https://www.npmjs.com/advisories/189