CVE-2018-6337

Published: Dic 31, 2018 Last Modified: Mag 06, 2025 EU-VD ID: EUVD-2018-18097 Aliases: GSD-2018-6337
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 7,5
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: none
Integrity: high
Availability: none
MEDIUM 5,0
Source: [email protected]
Access Vector: network
Access Complexity: low
Authentication: none
Confidentiality: none
Integrity: partial
Availability: none

Description

AI Translation Available

folly::secureRandom will re-use a buffer between parent and child processes when fork() is called. That will result in multiple forked children producing repeat (or similar) results. This affects HHVM 3.26 prior to 3.26.3 and the folly library between v2017.12.11.00 and v2018.08.09.00.

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
0,0027
Percentile
0,5th
Updated

EPSS Score Trend (Last 90 Days)

119

Improper Restriction of Operations within the Bounds of a Memory Buffer

Stable
Abstraction: Class Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Confidentiality Availability
Potential Impacts:
Execute Unauthorized Code Or Commands Modify Memory Read Memory Dos: Crash, Exit, Or Restart Dos: Resource Consumption (Cpu) Dos: Resource Consumption (Memory)
Applicable Platforms
Languages: Assembly, C, C++, Memory-Unsafe
Likelihood of Exploit: High
View CWE Details
212

Improper Removal of Sensitive Information Before Storage or Transfer

Incomplete
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Confidentiality
Potential Impacts:
Read Files Or Directories Read Application Data
Applicable Platforms
All platforms may be affected
View CWE Details
Application

Hhvm by Facebook

Product Information
Vendor Facebook
Product Hhvm
Version Range Affected
From 3.26 (inclusive)
To 3.26.3 (exclusive)
cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Folly by Facebook

Product Information
Vendor Facebook
Product Folly
Version Range Affected
From 2017.12.11.00 (inclusive)
To 2018.08.09.00 (inclusive)
cpe:2.3:a:facebook:folly:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://github.com/facebook/folly/commit/8e927ee48b114c8a2f…
Patch Third Party Advisory
https://github.com/facebook/folly/commit/8e927ee48b114c8a2f90d0cbd5ac753795a676…
https://github.com/facebook/hhvm/commit/e2d10a1e32d01f71aaa…
Patch Third Party Advisory
https://github.com/facebook/hhvm/commit/e2d10a1e32d01f71aaadd81169bcb9ae86c5d6b8
https://hhvm.com/blog/2018/05/24/hhvm-3.26.3.html
Release Notes Vendor Advisory
https://hhvm.com/blog/2018/05/24/hhvm-3.26.3.html
https://github.com/facebook/folly/commit/8e927ee48b114c8a2f…
Patch Third Party Advisory
https://github.com/facebook/folly/commit/8e927ee48b114c8a2f90d0cbd5ac753795a676…
https://github.com/facebook/hhvm/commit/e2d10a1e32d01f71aaa…
Patch Third Party Advisory
https://github.com/facebook/hhvm/commit/e2d10a1e32d01f71aaadd81169bcb9ae86c5d6b8
https://hhvm.com/blog/2018/05/24/hhvm-3.26.3.html
Release Notes Vendor Advisory
https://hhvm.com/blog/2018/05/24/hhvm-3.26.3.html