CVE-2018-6335

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.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/facebook/hhvm/commit/4cb57dd753a339654ca464c139db9871fe961d56	Patch Third Party Advisory
https://hhvm.com/blog/2018/05/04/hhvm-3.25.3.html	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:facebook:hhvm::::::::
	cpe:2.3:a:facebook:hhvm:3.24.6:::::::*
	cpe:2.3:a:facebook:hhvm:3.25.2:::::::*

History

No history.

Information

Published : 2018-12-31 19:29

Updated : 2023-12-10 12:44

NVD link : CVE-2018-6335

Mitre link : CVE-2018-6335

CVE.ORG link : CVE-2018-6335

JSON object : View

Products Affected

facebook

hhvm

CWE

CWE-20

Improper Input Validation

CWE-400

Uncontrolled Resource Consumption

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