CVE-2021-41243: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

November 26, 2021 (updated November 30, 2021)

There is a Potential Zip Slip Vulnerability and OS Command Injection Vulnerability on the management system of baserCMS. Users with permissions to upload files may upload crafted zip files which may execute arbitrary commands on the host operating system. This is a vulnerability that needs to be addressed when the management system is used by an unspecified number of users. If you are eligible, please update to the new version as soon as possible.

References

github.com/baserproject/basercms/commit/9088b99c329d1faff3a2f1269f37b9a9d8d5f6ff
github.com/baserproject/basercms/security/advisories/GHSA-7rpc-9m88-cf9w
nvd.nist.gov/vuln/detail/CVE-2021-41243

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