8.6
HIGH
CVE-2021-3121
GoGo Protobuf Protocol Vulnerability
Description

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.

INFO

Published Date :

Jan. 11, 2021, 6:15 a.m.

Last Modified :

Nov. 21, 2024, 6:20 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

4.7

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2021-3121 has a 6 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2021-3121 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Hashicorp consul
1 Golang protobuf
: Total Affected Vendor : 2 | Products : 2
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-3121.

URL Resource
https://discuss.hashicorp.com/t/hcsec-2021-23-consul-exposed-to-denial-of-service-in-gogo-protobuf-dependency/29025 Third Party Advisory
https://github.com/gogo/protobuf/commit/b03c65ea87cdc3521ede29f62fe3ce239267c1bc Patch Third Party Advisory
https://github.com/gogo/protobuf/compare/v1.3.1...v1.3.2 Patch Third Party Advisory
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/ Third Party Advisory
https://discuss.hashicorp.com/t/hcsec-2021-23-consul-exposed-to-denial-of-service-in-gogo-protobuf-dependency/29025 Third Party Advisory
https://github.com/gogo/protobuf/commit/b03c65ea87cdc3521ede29f62fe3ce239267c1bc Patch Third Party Advisory
https://github.com/gogo/protobuf/compare/v1.3.1...v1.3.2 Patch Third Party Advisory
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/ Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
kyverno/policy-reporter-plugins

Policy Reporter Plugins Monorepo

Go Makefile

Updated: 3 weeks ago
5 stars 0 fork 0 watcher
Born at : Jan. 11, 2024, 4:04 p.m. This repo has been linked 4 different CVEs too.
Profile Photo
godepsresolve/gomodtrace

Utility helping to trace some dependency sub-graphs for Go projects.

Makefile Go

Updated: 4 months, 2 weeks ago
3 stars 1 fork 1 watcher
Born at : Aug. 5, 2023, 7:43 p.m. This repo has been linked 1 different CVEs too.
Profile Photo
De30/osv-scanner

None

Dockerfile Go Shell

Updated: 1 year, 10 months ago
1 stars 0 fork 0 watcher
Born at : Dec. 29, 2022, 1:46 p.m. This repo has been linked 2 different CVEs too.
Profile Photo
anmalkov/osv-scanner

None

Shell

Updated: 1 year, 2 months ago
2 stars 0 fork 0 watcher
Born at : Dec. 16, 2022, 12:09 p.m. This repo has been linked 2 different CVEs too.
Profile Photo
k1LoW/oshka

oshka is a tool for extracting nested CI/CD supply chains and executing commands.

github-actions security supply-chain

Makefile Go Dockerfile Shell

Updated: 2 years, 2 months ago
3 stars 1 fork 1 watcher
Born at : Aug. 17, 2021, 3:06 a.m. This repo has been linked 20 different CVEs too.
Profile Photo
sonatype-nexus-community/nancy

A tool to check for vulnerabilities in your Golang dependencies, powered by Sonatype OSS Index

hacktoberfest

Go Makefile

Updated: 4 weeks ago
569 stars 74 fork 74 watcher
Born at : Jan. 31, 2019, 9:30 p.m. This repo has been linked 11 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-3121 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-3121 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://discuss.hashicorp.com/t/hcsec-2021-23-consul-exposed-to-denial-of-service-in-gogo-protobuf-dependency/29025
    Added Reference https://github.com/gogo/protobuf/commit/b03c65ea87cdc3521ede29f62fe3ce239267c1bc
    Added Reference https://github.com/gogo/protobuf/compare/v1.3.1...v1.3.2
    Added Reference https://lists.apache.org/thread.html/r68032132c0399c29d6cdc7bd44918535da54060a10a12b1591328bff%40%3Cnotifications.skywalking.apache.org%3E
    Added Reference https://lists.apache.org/thread.html/r88d69555cb74a129a7bf84838073b61259b4a3830190e05a3b87994e%40%3Ccommits.pulsar.apache.org%3E
    Added Reference https://lists.apache.org/thread.html/rc1e9ff22c5641d73701ba56362fb867d40ed287cca000b131dcf4a44%40%3Ccommits.pulsar.apache.org%3E
    Added Reference https://security.netapp.com/advisory/ntap-20210219-0006/
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference MITRE https://lists.apache.org/thread.html/r88d69555cb74a129a7bf84838073b61259b4a3830190e05a3b87994e%40%3Ccommits.pulsar.apache.org%3E [No types assigned]
    Added Reference MITRE https://lists.apache.org/thread.html/rc1e9ff22c5641d73701ba56362fb867d40ed287cca000b131dcf4a44%40%3Ccommits.pulsar.apache.org%3E [No types assigned]
    Added Reference MITRE https://lists.apache.org/thread.html/r68032132c0399c29d6cdc7bd44918535da54060a10a12b1591328bff%40%3Cnotifications.skywalking.apache.org%3E [No types assigned]
    Removed Reference MITRE https://lists.apache.org/thread.html/rc1e9ff22c5641d73701ba56362fb867d40ed287cca000b131dcf4a44@%3Ccommits.pulsar.apache.org%3E
    Removed Reference MITRE https://lists.apache.org/thread.html/r88d69555cb74a129a7bf84838073b61259b4a3830190e05a3b87994e@%3Ccommits.pulsar.apache.org%3E
    Removed Reference MITRE https://lists.apache.org/thread.html/r68032132c0399c29d6cdc7bd44918535da54060a10a12b1591328bff@%3Cnotifications.skywalking.apache.org%3E
  • Modified Analysis by [email protected]

    Apr. 01, 2022

    Action Type Old Value New Value
    Changed Reference Type https://lists.apache.org/thread.html/r68032132c0399c29d6cdc7bd44918535da54060a10a12b1591328bff@%3Cnotifications.skywalking.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/r68032132c0399c29d6cdc7bd44918535da54060a10a12b1591328bff@%3Cnotifications.skywalking.apache.org%3E Mailing List, Third Party Advisory
  • CVE Modified by [email protected]

    Oct. 18, 2021

    Action Type Old Value New Value
    Added Reference https://lists.apache.org/thread.html/r68032132c0399c29d6cdc7bd44918535da54060a10a12b1591328bff@%3Cnotifications.skywalking.apache.org%3E [No Types Assigned]
  • Modified Analysis by [email protected]

    Sep. 14, 2021

    Action Type Old Value New Value
    Changed Reference Type https://discuss.hashicorp.com/t/hcsec-2021-23-consul-exposed-to-denial-of-service-in-gogo-protobuf-dependency/29025 No Types Assigned https://discuss.hashicorp.com/t/hcsec-2021-23-consul-exposed-to-denial-of-service-in-gogo-protobuf-dependency/29025 Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:* versions up to (excluding) 1.8.15 *cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:* versions up to (excluding) 1.8.15 *cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:* versions from (including) 1.9.0 up to (excluding) 1.9.9 *cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:* versions from (including) 1.9.0 up to (excluding) 1.9.9 *cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:* versions from (including) 1.10.0 up to (excluding) 1.10.2 *cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:* versions from (including) 1.10.0 up to (excluding) 1.10.2
  • CVE Modified by [email protected]

    Sep. 07, 2021

    Action Type Old Value New Value
    Added Reference https://discuss.hashicorp.com/t/hcsec-2021-23-consul-exposed-to-denial-of-service-in-gogo-protobuf-dependency/29025 [No Types Assigned]
  • Modified Analysis by [email protected]

    Feb. 23, 2021

    Action Type Old Value New Value
    Changed Reference Type https://security.netapp.com/advisory/ntap-20210219-0006/ No Types Assigned https://security.netapp.com/advisory/ntap-20210219-0006/ Third Party Advisory
  • CVE Modified by [email protected]

    Feb. 19, 2021

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20210219-0006/ [No Types Assigned]
  • Reanalysis by [email protected]

    Feb. 09, 2021

    Action Type Old Value New Value
    Removed CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
  • Modified Analysis by [email protected]

    Jan. 28, 2021

    Action Type Old Value New Value
    Changed Reference Type https://lists.apache.org/thread.html/r88d69555cb74a129a7bf84838073b61259b4a3830190e05a3b87994e@%3Ccommits.pulsar.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/r88d69555cb74a129a7bf84838073b61259b4a3830190e05a3b87994e@%3Ccommits.pulsar.apache.org%3E Mailing List, Third Party Advisory
    Changed Reference Type https://lists.apache.org/thread.html/rc1e9ff22c5641d73701ba56362fb867d40ed287cca000b131dcf4a44@%3Ccommits.pulsar.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/rc1e9ff22c5641d73701ba56362fb867d40ed287cca000b131dcf4a44@%3Ccommits.pulsar.apache.org%3E Mailing List, Third Party Advisory
  • CVE Modified by [email protected]

    Jan. 26, 2021

    Action Type Old Value New Value
    Added Reference https://lists.apache.org/thread.html/rc1e9ff22c5641d73701ba56362fb867d40ed287cca000b131dcf4a44@%3Ccommits.pulsar.apache.org%3E [No Types Assigned]
    Added Reference https://lists.apache.org/thread.html/r88d69555cb74a129a7bf84838073b61259b4a3830190e05a3b87994e@%3Ccommits.pulsar.apache.org%3E [No Types Assigned]
  • Initial Analysis by [email protected]

    Jan. 14, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/gogo/protobuf/commit/b03c65ea87cdc3521ede29f62fe3ce239267c1bc No Types Assigned https://github.com/gogo/protobuf/commit/b03c65ea87cdc3521ede29f62fe3ce239267c1bc Patch, Third Party Advisory
    Changed Reference Type https://github.com/gogo/protobuf/compare/v1.3.1...v1.3.2 No Types Assigned https://github.com/gogo/protobuf/compare/v1.3.1...v1.3.2 Patch, Third Party Advisory
    Added CWE NIST CWE-129
    Added CPE Configuration OR *cpe:2.3:a:golang:protobuf:*:*:*:*:*:*:*:* versions up to (excluding) 1.3.2
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-3121 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-3121 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

1.09 }} 0.13%

score

0.84121

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: