CVE-2018-6334

Published: Dic 31, 2018 Last Modified: Mag 06, 2025 EU-VD ID: EUVD-2018-18094 Aliases: GSD-2018-6334
ExploitDB:
Other exploit source:
Google Dorks:
CRITICAL 9,8
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
HIGH 7,5
Source: [email protected]
Access Vector: network
Access Complexity: low
Authentication: none
Confidentiality: partial
Integrity: partial
Availability: partial

Description

AI Translation Available

Multipart-file uploads call variables to be improperly registered in the global scope. In cases where variables are not declared explicitly before being used this can lead to unexpected behavior. This affects all supported versions of HHVM prior to the patch (3.25.1, 3.24.5, and 3.21.9 and below).

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0063
Percentile
0,7th
Updated

EPSS Score Trend (Last 90 Days)

20

Improper Input Validation

Stable
Abstraction: Class Structure: Simple
Common Consequences
Security Scopes Affected:
Availability Confidentiality Integrity
Potential Impacts:
Dos: Crash, Exit, Or Restart Dos: Resource Consumption (Cpu) Dos: Resource Consumption (Memory) Read Memory Read Files Or Directories Modify Memory Execute Unauthorized Code Or Commands
Applicable Platforms
All platforms may be affected
Likelihood of Exploit: High
View CWE Details
621

Variable Extraction Error

Incomplete
Abstraction: Variant Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity
Potential Impacts:
Modify Application Data
Applicable Platforms
Languages: PHP
View CWE Details
Application

Hhvm by Facebook

Product Information
Vendor Facebook
Product Hhvm
Version Range Affected
To 3.21.9 (inclusive)
cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Hhvm by Facebook

Product Information
Vendor Facebook
Product Hhvm
Version Range Affected
From 3.21.10 (inclusive)
To 3.24.5 (inclusive)
cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Hhvm by Facebook

Product Information
Vendor Facebook
Product Hhvm
Version Range Affected
From 3.24.6 (inclusive)
To 3.25.1 (inclusive)
cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://github.com/facebook/hhvm/commit/6937de5544c3eead346…
Patch Third Party Advisory
https://github.com/facebook/hhvm/commit/6937de5544c3eead3466b75020d8382080ed0cff
https://hhvm.com/blog/2018/03/30/hhvm-3.25.2.html
Patch Third Party Advisory
https://hhvm.com/blog/2018/03/30/hhvm-3.25.2.html
https://github.com/facebook/hhvm/commit/6937de5544c3eead346…
Patch Third Party Advisory
https://github.com/facebook/hhvm/commit/6937de5544c3eead3466b75020d8382080ed0cff
https://hhvm.com/blog/2018/03/30/hhvm-3.25.2.html
Patch Third Party Advisory
https://hhvm.com/blog/2018/03/30/hhvm-3.25.2.html