CVE-2021-3121
HIGHGoGo Protobuf < 1.3.2 - Denial of Service via Improper Array Index Validation
Title source: llmDescription
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.
References (7)
Core 7
Core References
Patch, Third Party Advisory x_refsource_misc
https://github.com/gogo/protobuf/commit/b03c65ea87cdc3521ede29f62fe3ce239267c1bc
Patch, Third Party Advisory x_refsource_misc
https://github.com/gogo/protobuf/compare/v1.3.1...v1.3.2
Mailing List mailing-list
x_refsource_mlist
https://lists.apache.org/thread.html/r88d69555cb74a129a7bf84838073b61259b4a3830190e05a3b87994e%40%3Ccommits.pulsar.apache.org%3E
Mailing List mailing-list
x_refsource_mlist
https://lists.apache.org/thread.html/rc1e9ff22c5641d73701ba56362fb867d40ed287cca000b131dcf4a44%40%3Ccommits.pulsar.apache.org%3E
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20210219-0006/
Third Party Advisory x_refsource_misc
https://discuss.hashicorp.com/t/hcsec-2021-23-consul-exposed-to-denial-of-service-in-gogo-protobuf-dependency/29025
Mailing List mailing-list
x_refsource_mlist
https://lists.apache.org/thread.html/r68032132c0399c29d6cdc7bd44918535da54060a10a12b1591328bff%40%3Cnotifications.skywalking.apache.org%3E
Scores
CVSS v3
8.6
EPSS
0.0014
EPSS Percentile
32.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Details
CWE
CWE-129
Status
published
Products (3)
gogo/protobuf
0 - 1.3.2Go
golang/protobuf
< 1.3.2
hashicorp/consul
< 1.8.15 (2 CPE variants)
Published
Jan 11, 2021
Tracked Since
Feb 18, 2026