CVE-2021-36155
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
LengthPrefixedMessageReader in gRPC Swift 1.1.0 and earlier allocates buffers of arbitrary length, which allows remote attackers to cause uncontrolled resource consumption and deny service.
La función LengthPrefixedMessageReader en gRPC Swift versiones 1.1.0 y anteriores asigna búferes de longitud arbitraria, lo que permite a atacantes remotos causar un consumo no controlado de recursos y denegar el servicio
*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
- 2021-07-05 CVE Reserved
- 2021-07-09 CVE Published
- 2024-03-24 EPSS Updated
- 2024-08-04 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-770: Allocation of Resources Without Limits or Throttling
CAPEC
References (3)
| URL | Tag | Source |
|---|---|---|
| https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35303 | Mailing List | |
| https://github.com/grpc/grpc-swift/releases | Release Notes | |
| https://github.com/grpc/grpc-swift/security/advisories/GHSA-rxmj-hg9v-vp3p | Third Party Advisory |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Linuxfoundation Search vendor "Linuxfoundation" | Grpc Swift Search vendor "Linuxfoundation" for product "Grpc Swift" | 1.0.0 Search vendor "Linuxfoundation" for product "Grpc Swift" and version "1.0.0" | - |
Affected
| ||||||
| Linuxfoundation Search vendor "Linuxfoundation" | Grpc Swift Search vendor "Linuxfoundation" for product "Grpc Swift" | 1.1.0 Search vendor "Linuxfoundation" for product "Grpc Swift" and version "1.1.0" | - |
Affected
| ||||||
| Linuxfoundation Search vendor "Linuxfoundation" | Grpc Swift Search vendor "Linuxfoundation" for product "Grpc Swift" | 1.1.1 Search vendor "Linuxfoundation" for product "Grpc Swift" and version "1.1.1" | - |
Affected
| ||||||