CVE Vulnerability

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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

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

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

Configuration 1

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

Published : 2018-12-31 07:29

Updated : 2019-10-09 11:41

NVD link : CVE-2018-6335

Mitre link : CVE-2018-6335

Products Affected
No products.
CWE
CWE-20