CVE-2022-23655: Improper Verification of Cryptographic Signature

February 24, 2022 (updated February 26, 2022)

Octobercms is a self-hosted CMS platform based on the Laravel PHP Framework. Affected versions of OctoberCMS does not validate gateway server signatures. As a result non-authoritative gateway servers may be used to exfiltrate user private keys. Users are advised to upgrade their installations to build 474 or v1.1.10. The only known workaround is to manually apply the patch (e3b455ad587282f0fbcb7763c6d9c3d000ca1e6a) which adds server signature validation.

References

github.com/advisories/GHSA-53m6-44rc-h2q5
github.com/octobercms/october/commit/e3b455ad587282f0fbcb7763c6d9c3d000ca1e6a
github.com/octobercms/october/security/advisories/GHSA-53m6-44rc-h2q5
nvd.nist.gov/vuln/detail/CVE-2022-23655

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