CVE-2021-3121

Aliases:GHSA-c3h9-896r-86jmBIT-consul-2021-3121BIT-protobuf-2021-3121GO-2021-0053
Advisory lineage Upstream: 0 Downstream: 14
Modified
Published: 11 Jan 2021, 05:57
Last modified:03 Aug 2024, 16:45

Vulnerability Summary

Overall Risk (default)
medium
34/100
CVSS Score
8.6 HIGH
v3.1 (nvd)
EPSS Score
0.14% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

11 Jan 2021, 05:57
Published
Vulnerability first disclosed
03 Aug 2024, 16:45
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•HIGH•Score: 8.6CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
  • v2.0•HIGH•Score: 7.5AV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 0.14%• Percentile: 33%

Techniques & Countermeasures

  • CWE-129•Improper Validation of Array Index

    The product uses untrusted input when calculating or using an array index, but the product does not validate or incorrectly validates the index to ensure the index references a valid position within the array.

Affected Systems

  • github.com/gogo•protobuf

    < 1.3.2

  • golang•protobuf

    < 1.3.2

  • hashicorp•consul

    < 1.8.15 | ≥ 1.9.0, < 1.9.9 | ≥ 1.10.0, < 1.10.2

References (14)