CVE-2021-3121
gogo/protobuf: plugin/unmarshal/unmarshal.go lacks certain index validation
Severity Score
8.6
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
Se detectó un problema en GoGo Protobuf versiones anteriores a 1.3.2. El archivo plugin/unmarshal/unmarshal.go carece de determinada comprobación de índice, también se conoce como el problema "skippy peanut butter"
A flaw was found in github.com/gogo/protobuf before 1.3.2 that allows an out-of-bounds access when unmarshalling certain protobuf objects. This flaw allows a remote attacker to send crafted protobuf messages, causing panic and resulting in a denial of service. The highest threat from this vulnerability is to availability.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-01-11 CVE Reserved
- 2021-01-11 CVE Published
- 2023-11-08 EPSS Updated
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-129: Improper Validation of Array Index
CAPEC
References (9)
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://github.com/gogo/protobuf/commit/b03c65ea87cdc3521ede29f62fe3ce239267c1bc | 2023-11-07 | |
| https://github.com/gogo/protobuf/compare/v1.3.1...v1.3.2 | 2023-11-07 |
| URL | Date | SRC |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2021-3121 | 2022-10-12 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1921650 | 2022-10-12 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Golang Search vendor "Golang" | Protobuf Search vendor "Golang" for product "Protobuf" | < 1.3.2 Search vendor "Golang" for product "Protobuf" and version " < 1.3.2" | - |
Affected
| ||||||
| Hashicorp Search vendor "Hashicorp" | Consul Search vendor "Hashicorp" for product "Consul" | < 1.8.15 Search vendor "Hashicorp" for product "Consul" and version " < 1.8.15" | - |
Affected
| ||||||
| Hashicorp Search vendor "Hashicorp" | Consul Search vendor "Hashicorp" for product "Consul" | < 1.8.15 Search vendor "Hashicorp" for product "Consul" and version " < 1.8.15" | enterprise |
Affected
| ||||||
| Hashicorp Search vendor "Hashicorp" | Consul Search vendor "Hashicorp" for product "Consul" | >= 1.9.0 < 1.9.9 Search vendor "Hashicorp" for product "Consul" and version " >= 1.9.0 < 1.9.9" | - |
Affected
| ||||||
| Hashicorp Search vendor "Hashicorp" | Consul Search vendor "Hashicorp" for product "Consul" | >= 1.9.0 < 1.9.9 Search vendor "Hashicorp" for product "Consul" and version " >= 1.9.0 < 1.9.9" | enterprise |
Affected
| ||||||
| Hashicorp Search vendor "Hashicorp" | Consul Search vendor "Hashicorp" for product "Consul" | >= 1.10.0 < 1.10.2 Search vendor "Hashicorp" for product "Consul" and version " >= 1.10.0 < 1.10.2" | - |
Affected
| ||||||
| Hashicorp Search vendor "Hashicorp" | Consul Search vendor "Hashicorp" for product "Consul" | >= 1.10.0 < 1.10.2 Search vendor "Hashicorp" for product "Consul" and version " >= 1.10.0 < 1.10.2" | enterprise |
Affected
| ||||||