CVE-2018-6337
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:N/I:P/A:N
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
0.002 Low
EPSS
Percentile
55.9%
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.
Affected configurations
| CPE | Name | Operator | Version |
|---|---|---|---|
| facebook:folly | facebook folly | le | 2018.08.09.00 |
| facebook:hhvm | facebook hhvm | lt | 3.26.3 |
CNA Affected
[
{
"product": "HHVM",
"vendor": "Facebook",
"versions": [
{
"status": "affected",
"version": "3.26.3"
},
{
"lessThan": "unspecified",
"status": "affected",
"version": "3.26.0",
"versionType": "custom"
},
{
"lessThan": "3.26.0",
"status": "unaffected",
"version": "unspecified",
"versionType": "custom"
}
]
},
{
"product": "folly",
"vendor": "Facebook",
"versions": [
{
"status": "affected",
"version": "v2018.08.09.00"
},
{
"lessThan": "unspecified",
"status": "affected",
"version": "v2017.12.11.00",
"versionType": "custom"
},
{
"lessThan": "v2017.12.11.00",
"status": "unaffected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]Related
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:N/I:P/A:N
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
0.002 Low
EPSS
Percentile
55.9%