packages:
  - module: go.mongodb.org/mongo-driver
    package: go.mongodb.org/mongo-driver/bson/bsonrw
    symbols:
      - valueWriter.writeElementHeader
    derived_symbols:
      - Copier.AppendArrayBytes
      - Copier.AppendDocumentBytes
      - Copier.AppendValueBytes
      - Copier.CopyArrayFromBytes
      - Copier.CopyBytesToArrayWriter
      - Copier.CopyBytesToDocumentWriter
      - Copier.CopyDocument
      - Copier.CopyDocumentFromBytes
      - Copier.CopyDocumentToBytes
      - Copier.CopyValue
      - Copier.CopyValueFromBytes
      - Copier.CopyValueToBytes
      - CopyDocument
      - valueWriter.WriteArray
      - valueWriter.WriteBinary
      - valueWriter.WriteBinaryWithSubtype
      - valueWriter.WriteBoolean
      - valueWriter.WriteCodeWithScope
      - valueWriter.WriteDBPointer
      - valueWriter.WriteDateTime
      - valueWriter.WriteDecimal128
      - valueWriter.WriteDocument
      - valueWriter.WriteDouble
      - valueWriter.WriteInt32
      - valueWriter.WriteInt64
      - valueWriter.WriteJavascript
      - valueWriter.WriteMaxKey
      - valueWriter.WriteMinKey
      - valueWriter.WriteNull
      - valueWriter.WriteObjectID
      - valueWriter.WriteRegex
      - valueWriter.WriteString
      - valueWriter.WriteSymbol
      - valueWriter.WriteTimestamp
      - valueWriter.WriteUndefined
      - valueWriter.WriteValueBytes
    versions:
      - fixed: 1.5.1
description: |
    Due to improper input sanitization when marshalling Go objects into BSON, a maliciously constructed
    Go structure could allow an attacker to inject additional fields into a MongoDB document. Users are
    affected if they use this package to handle untrusted user input.
published: 2021-07-28T18:08:05Z
cves:
  - CVE-2021-20329
ghsas:
  - GHSA-f6mq-5m25-4r72
links:
    pr: https://github.com/mongodb/mongo-go-driver/pull/622
    commit: https://github.com/mongodb/mongo-go-driver/commit/2aca31d5986a9e1c65a92264736de9fdc3b9b4ca
    context:
      - https://github.com/advisories/GHSA-f6mq-5m25-4r72
      - https://jira.mongodb.org/browse/GODRIVER-1923