id: GO-2023-2399
modules:
    - module: github.com/hashicorp/vault
      versions:
        - introduced: 1.12.0
          fixed: 1.13.12
        - introduced: 1.14.0
          fixed: 1.14.8
        - introduced: 1.15.0
          fixed: 1.15.4
      vulnerable_at: 1.15.3
      packages:
        - package: github.com/hashicorp/vault/helper/forwarding
          symbols:
            - GenerateForwardedRequest
          derived_symbols:
            - GenerateForwardedHTTPRequest
        - package: github.com/hashicorp/vault/http
          symbols:
            - handler
            - wrapGenericHandler
            - parseJSONRequest
            - parseFormRequest
            - rateLimitQuotaWrapping
          derived_symbols:
            - HandlerAnchor.Handler
            - TestServer
            - TestServerWithListener
            - TestServerWithListenerAndProperties
          skip_fix: 'TODO: module github.com/hashicorp/vault must be updated with go get github.com/hashicorp/vault/sdk@v0.10.2 to reproduce.'
        - package: github.com/hashicorp/vault/vault
          symbols:
            - Core.DetermineRoleFromLoginRequestFromBytes
            - Core.DetermineRoleFromLoginRequest
            - SystemBackend.handleStorageRaftSnapshotWrite
          derived_symbols:
            - Core.ForwardRequest
            - Core.HandleRequest
            - NewSystemBackend
            - NewTestCluster
            - TestCluster.InitCores
            - TestCoreUnsealed
            - TestCoreUnsealedRaw
            - TestCoreUnsealedWithConfig
            - TestCoreUnsealedWithMetrics
            - TestCoreWithCustomResponseHeaderAndUI
          skip_fix: 'TODO: module github.com/hashicorp/vault must be updated with go get github.com/hashicorp/vault/sdk@v0.10.2 to reproduce.'
summary: Denial of service via memory exhaustion in github.com/hashicorp/vault
description: |-
    Unauthenticated and authenticated HTTP requests from a client
    will be attempted to be mapped to memory.
    Large requests may result in the exhaustion of available
    memory on the host, which may cause crashes and denial of service.
cves:
    - CVE-2023-6337
ghsas:
    - GHSA-6p62-6cg9-f5f5
references:
    - advisory: https://nvd.nist.gov/vuln/detail/CVE-2023-6337
    - web: https://discuss.hashicorp.com/t/hcsec-2023-34-vault-vulnerable-to-denial-of-service-through-memory-exhaustion-when-handling-large-http-requests/60741
    - fix: https://github.com/hashicorp/vault/pull/24354