CVE-2018-6335
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
0.001 Low
EPSS
Percentile
44.9%
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.
Affected configurations
| CPE | Name | Operator | Version |
|---|---|---|---|
| facebook:hhvm | facebook hhvm | le | 3.21.10 |
| facebook:hhvm | facebook hhvm | eq | 3.24.6 |
| facebook:hhvm | facebook hhvm | eq | 3.25.2 |
CNA Affected
[
{
"product": "HHVM",
"vendor": "Facebook",
"versions": [
{
"status": "affected",
"version": "3.25.3"
},
{
"status": "affected",
"version": "3.25.0"
},
{
"status": "affected",
"version": "3.24.7"
},
{
"status": "affected",
"version": "3.22.0"
},
{
"status": "affected",
"version": "3.21.11"
},
{
"lessThan": "3.21.11",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]Related
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
0.001 Low
EPSS
Percentile
44.9%