CVE-2021-37704

Description

### Impact The `phpinfo()` can be exposed if the `/vendor` is not protected from public access. This is a rare situation today since the vendor directory is often located outside the web directory or protected via server rule (.htaccess, etc). ### Patches Only the v6, v7 and v8 will be patched respectively in 8.0.7, 7.1.2, 6.1.5. Older versions such as v5, v4 are not longer supported and will **NOT** be patched. ### Workarounds Protect the `/vendor` directory from public access. ### References The first issue revealing this vulnerability is located here: https://github.com/flextype/flextype/issues/567 V6 fix: https://github.com/PHPSocialNetwork/phpfastcache/pull/815 V7 fix: https://github.com/PHPSocialNetwork/phpfastcache/pull/814 V8 fix: https://github.com/PHPSocialNetwork/phpfastcache/pull/813 ### For more information If you have any questions or comments about this advisory: * Open an issue in [our issue tracker](https://github.com/PHPSocialNetwork/phpfastcache/issues) * Email us at [security@geolim4.com](mailto:security@geolim4.com)

How to fix CVE-2021-37704

To remediate CVE-2021-37704, upgrade the affected package to a fixed version below.

• —upgrade to 6.1.5 or later

Is CVE-2021-37704 being exploited?

Moderate — EPSS is 6.1%. Track this CVE but it's not at the top of the prioritisation list.

Affected packages (1)

• from 0, < 6.1.5

CVSS scores

References (9)

• ADVISORYnvd.nist.gov/vuln/detail/CVE-2021-37704
• WEBgithub.com/PHPSocialNetwork/phpfastcache/blob/master/CHANGELOG.md#807
• WEBgithub.com/PHPSocialNetwork/phpfastcache/commit/41a77d0d8f126dbd6fbedcd9e6a82e86cdaafa51
• WEBgithub.com/PHPSocialNetwork/phpfastcache/pull/813