CVE-2018-6335
Severity Score
7.5
*CVSS v3
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
A Malformed h2 frame can cause 'std::out_of_range' exception when parsing priority meta data. This behavior can lead to denial-of-service. This affects all supported versions of HHVM (3.25.2, 3.24.6, and 3.21.10 and below) when using the proxygen server to handle HTTP2 requests.
Un frame h2 malformado puede provocar una excepción 'std::out_of_range' durante el análisis de metadatos prioritarios. Este comportamiento puede provocar una denegación de servicio (DoS). Esto afecta a todas las versiones de HHVM soportadas (en versiones anteriores a las 3.25.2, 3.24.6 y 3.21.10)
*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
- 2018-01-26 CVE Reserved
- 2018-12-31 CVE Published
- 2024-08-05 CVE Updated
- 2024-11-09 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-20: Improper Input Validation
- CWE-400: Uncontrolled Resource Consumption
CAPEC
References (2)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://github.com/facebook/hhvm/commit/4cb57dd753a339654ca464c139db9871fe961d56 | 2019-10-09 |
| URL | Date | SRC |
|---|---|---|
| https://hhvm.com/blog/2018/05/04/hhvm-3.25.3.html | 2019-10-09 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Facebook Search vendor "Facebook" | Hhvm Search vendor "Facebook" for product "Hhvm" | <= 3.21.10 Search vendor "Facebook" for product "Hhvm" and version " <= 3.21.10" | - |
Affected
| ||||||
| Facebook Search vendor "Facebook" | Hhvm Search vendor "Facebook" for product "Hhvm" | 3.24.6 Search vendor "Facebook" for product "Hhvm" and version "3.24.6" | - |
Affected
| ||||||
| Facebook Search vendor "Facebook" | Hhvm Search vendor "Facebook" for product "Hhvm" | 3.25.2 Search vendor "Facebook" for product "Hhvm" and version "3.25.2" | - |
Affected
| ||||||