Overview
- Description
- The Memcache::getextendedstats function can be used to trigger an out-of-bounds read. Exploiting this issue requires control over memcached server hostnames and/or ports. This affects all supported versions of HHVM (3.30 and 3.27.4 and below).
- Source
- cve-assign@fb.com
- NVD status
- Modified
Risk scores
CVSS 3.0
- Type
- Primary
- Base score
- 8.1
- Impact score
- 5.9
- Exploitability score
- 2.2
- Vector string
- CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Severity
- HIGH
CVSS 2.0
- Type
- Primary
- Base score
- 6.8
- Impact score
- 6.4
- Exploitability score
- 8.6
- Vector string
- AV:N/AC:M/Au:N/C:P/I:P/A:P
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "20625917-395C-4FE6-B681-8C8C2078549E",
"versionEndIncluding": "3.27.4"
},
{
"criteria": "cpe:2.3:a:facebook:hhvm:3.30:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "902E260E-9611-4217-A38A-4143F6C5A165"
}
],
"operator": "OR"
}
]
}
]