CVE-2022-30187: Microsoft: CBC Padding Oracle in Azure Blob Storage Encryption Library

July 13, 2022 (updated May 23, 2024)

The Azure Storage Encryption library in Java and other languages is vulnerable to a CBC Padding Oracle attack, similar to CVE-2020-8911. The library is not vulnerable to the equivalent of CVE-2020-8912, but only because it currently only supports AES-CBC as encryption mode.

References

github.com/advisories/GHSA-64x4-9hc6-r2h6
github.com/google/security-research/security/advisories/GHSA-6m8q-r22q-vfxh
msrc.microsoft.com/update-guide/vulnerability/CVE-2022-30187
nvd.nist.gov/vuln/detail/CVE-2022-30187
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-30187

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