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    CVE-2021-3121

    An issue was discovered in GoGo Protobuf before 1.3.2. plugin/unmarshal/unmarshal.go lacks certain index validation, aka the "skippy peanut butter" issue.

    Published:Jan 11, 2021
    Last Modified:Nov 21, 2024
    EPS:Jan 11, 2021
    EPSS Score:0.0017
    CVSS Score:8.6

    Affected Products

    Vendor
    Golang
    Product
    Protobuf
    Vendor
    Hashicorp
    Product
    Consul
    Vendor
    Redhat
    Product
    Acm
    Vendor
    Redhat
    Product
    Amq Broker
    Vendor
    Redhat
    Product
    Container Native Virtualization
    Vendor
    Redhat
    Product
    Cryostat
    Vendor
    Redhat
    Product
    Logging
    Vendor
    Redhat
    Product
    Openshift
    Vendor
    Redhat
    Product
    Service Mesh

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-100 Overflow Buffers

    References

    https://discuss.hashicorp.com/t/hcsec-2021-23-consul-exposed-to-denial-of-service-in-gogo-protobuf-dependency/29025
    https://github.com/gogo/protobuf/commit/b03c65ea87cdc3521ede29f62fe3ce239267c1bc
    https://github.com/gogo/protobuf/compare/v1.3.1...v1.3.2
    https://lists.apache.org/thread.html/r68032132c0399c29d6cdc7bd44918535da54060a10a12b1591328bff%40%3Cnotifications.skywalking.apache.org%3E
    https://lists.apache.org/thread.html/r88d69555cb74a129a7bf84838073b61259b4a3830190e05a3b87994e%40%3Ccommits.pulsar.apache.org%3E
    https://lists.apache.org/thread.html/rc1e9ff22c5641d73701ba56362fb867d40ed287cca000b131dcf4a44%40%3Ccommits.pulsar.apache.org%3E
    https://security.netapp.com/advisory/ntap-20210219-0006/
    https://discuss.hashicorp.com/t/hcsec-2021-23-consul-exposed-to-denial-of-service-in-gogo-protobuf-dependency/29025
    https://github.com/gogo/protobuf/commit/b03c65ea87cdc3521ede29f62fe3ce239267c1bc
    https://github.com/gogo/protobuf/compare/v1.3.1...v1.3.2
    https://lists.apache.org/thread.html/r68032132c0399c29d6cdc7bd44918535da54060a10a12b1591328bff%40%3Cnotifications.skywalking.apache.org%3E
    https://lists.apache.org/thread.html/r88d69555cb74a129a7bf84838073b61259b4a3830190e05a3b87994e%40%3Ccommits.pulsar.apache.org%3E
    https://lists.apache.org/thread.html/rc1e9ff22c5641d73701ba56362fb867d40ed287cca000b131dcf4a44%40%3Ccommits.pulsar.apache.org%3E
    https://security.netapp.com/advisory/ntap-20210219-0006/

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High