GCP ESPv2 Hit with Critical API Authorization Bypass CVE-2023-30845

This post delves into a very impactful JWT Authentication Bypass vulnerability ([CVE-2023-30845]()) found in [ESP-v2](), an open-source service proxy that provides API management capabilities using Go ...

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CVSS3 - CRITICAL

CVSS2 - HIGH

CVE-2023-32731

When gRPC HTTP2 stack raised a header size exceeded error, it skipped parsing the rest of the HPACK frame. This caused any HPACK table mutations to also be skipped, resulting in a desynchronization of ...

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CVSS3 - HIGH

CVSS2 - MEDIUM

CVE-2023-32732

gRPC contains a vulnerability whereby a client can cause a termination of connection between a HTTP2 proxy and a gRPC server: a base64 encoding error for `-bin` suffixed headers will result in a disco ...

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CVE-2023-32731

When gRPC HTTP2 stack raised a header size exceeded error, it skipped parsing the rest of the HPACK frame. This caused any HPACK table mutations to also be skipped, resulting in a desynchronization of ...

Continue Reading
CVE-2023-1428

There exists an vulnerability causing an abort() to be called in gRPC.  The following headers cause gRPC's C++ implementation to abort() when called via http2: te: x (x != trailers) :scheme: x (x ! ...

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CVE-2023-32731

When gRPC HTTP2 stack raised a header size exceeded error, it skipped parsing the rest of the HPACK frame. This caused any HPACK table mutations to also be skipped, resulting in a desynchronization of ...

Continue Reading
CVE-2023-32732

gRPC contains a vulnerability whereby a client can cause a termination of connection between a HTTP2 proxy and a gRPC server: a base64 encoding error for `-bin` suffixed headers will result in a disco ...

Continue Reading
CVE-2023-1428

There exists an vulnerability causing an abort() to be called in gRPC. The following headers cause gRPC's C++ implementation to abort() when called via http2: te: x (x != trailers) :scheme: x (x != ht ...

Continue Reading

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