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Vulnerability Details :

CVE-2018-6334

Summary
Assigner-facebook
Assigner Org ID-4fc57720-52fe-4431-a0fb-3d2c8747b827
Published At-31 Dec, 2018 | 20:00
Updated At-06 May, 2025 | 16:48
Rejected At-
Credits

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).

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:facebook
Assigner Org ID:4fc57720-52fe-4431-a0fb-3d2c8747b827
Published At:31 Dec, 2018 | 20:00
Updated At:06 May, 2025 | 16:48
Rejected At:
▼CVE Numbering Authority (CNA)

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).

Affected Products
Vendor
FacebookFacebook
Product
HHVM
Versions
Affected
  • 3.25.2
  • 3.25.0
  • 3.24.6
  • 3.22.0
  • 3.21.10
  • From unspecified before 3.21.10 (custom)
Problem Types
TypeCWE IDDescription
CWECWE-621Variable Extraction Error (CWE-621)
Type: CWE
CWE ID: CWE-621
Description: Variable Extraction Error (CWE-621)
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/facebook/hhvm/commit/6937de5544c3eead3466b75020d8382080ed0cff
x_refsource_MISC
https://hhvm.com/blog/2018/03/30/hhvm-3.25.2.html
x_refsource_MISC
Hyperlink: https://github.com/facebook/hhvm/commit/6937de5544c3eead3466b75020d8382080ed0cff
Resource:
x_refsource_MISC
Hyperlink: https://hhvm.com/blog/2018/03/30/hhvm-3.25.2.html
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
1. CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/facebook/hhvm/commit/6937de5544c3eead3466b75020d8382080ed0cff
x_refsource_MISC
x_transferred
https://hhvm.com/blog/2018/03/30/hhvm-3.25.2.html
x_refsource_MISC
x_transferred
Hyperlink: https://github.com/facebook/hhvm/commit/6937de5544c3eead3466b75020d8382080ed0cff
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://hhvm.com/blog/2018/03/30/hhvm-3.25.2.html
Resource:
x_refsource_MISC
x_transferred
2. CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
3.19.8CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Version: 3.1
Base score: 9.8
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cve-assign@fb.com
Published At:31 Dec, 2018 | 19:29
Updated At:06 May, 2025 | 17:15

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).

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.19.8CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary3.09.8CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary2.07.5HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P
Type: Secondary
Version: 3.1
Base score: 9.8
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Type: Primary
Version: 3.0
Base score: 9.8
Base severity: CRITICAL
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Type: Primary
Version: 2.0
Base score: 7.5
Base severity: HIGH
Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P
CPE Matches
Facebook
facebook
>>hhvm>>Versions up to 3.21.9(inclusive)
cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*
Facebook
facebook
>>hhvm>>Versions from 3.21.10(inclusive) to 3.24.5(inclusive)
cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*
Facebook
facebook
>>hhvm>>Versions from 3.24.6(inclusive) to 3.25.1(inclusive)
cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-621Secondarycve-assign@fb.com
CWE-20Primarynvd@nist.gov
CWE ID: CWE-621
Type: Secondary
Source: cve-assign@fb.com
CWE ID: CWE-20
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/facebook/hhvm/commit/6937de5544c3eead3466b75020d8382080ed0cffcve-assign@fb.com
Patch
Third Party Advisory
https://hhvm.com/blog/2018/03/30/hhvm-3.25.2.htmlcve-assign@fb.com
Patch
Third Party Advisory
https://github.com/facebook/hhvm/commit/6937de5544c3eead3466b75020d8382080ed0cffaf854a3a-2127-422b-91ae-364da2661108
Patch
Third Party Advisory
https://hhvm.com/blog/2018/03/30/hhvm-3.25.2.htmlaf854a3a-2127-422b-91ae-364da2661108
Patch
Third Party Advisory
Hyperlink: https://github.com/facebook/hhvm/commit/6937de5544c3eead3466b75020d8382080ed0cff
Source: cve-assign@fb.com
Resource:
Patch
Third Party Advisory
Hyperlink: https://hhvm.com/blog/2018/03/30/hhvm-3.25.2.html
Source: cve-assign@fb.com
Resource:
Patch
Third Party Advisory
Hyperlink: https://github.com/facebook/hhvm/commit/6937de5544c3eead3466b75020d8382080ed0cff
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Patch
Third Party Advisory
Hyperlink: https://hhvm.com/blog/2018/03/30/hhvm-3.25.2.html
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Patch
Third Party Advisory

Change History

0
Information is not available yet

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