CVE-2020-1893
Published Mar 3, 2020
Last updated 5 years ago
Overview
- Description
- Insufficient boundary checks when decoding JSON in TryParse reads out of bounds memory, potentially leading to DOS. This issue affects HHVM 4.45.0, 4.44.0, 4.43.0, 4.42.0, 4.41.0, 4.40.0, 4.39.0, versions between 4.33.0 and 4.38.0 (inclusive), versions between 4.9.0 and 4.32.0 (inclusive), and versions prior to 4.8.7.
- Source
- cve-assign@fb.com
- NVD status
- Analyzed
Social media
- Hype score
- Not currently trending
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 7.5
- Impact score
- 3.6
- Exploitability score
- 3.9
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Severity
- HIGH
CVSS 2.0
- Type
- Primary
- Base score
- 5
- Impact score
- 2.9
- Exploitability score
- 10
- Vector string
- AV:N/AC:L/Au:N/C:N/I:N/A:P
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D1FC3F1B-FB6A-4EC4-8878-0C55652434F7",
"versionEndExcluding": "4.8.7"
},
{
"criteria": "cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D25B1929-CF0F-4D0F-9268-6022762717FE",
"versionEndIncluding": "4.32.0",
"versionStartIncluding": "4.9.0"
},
{
"criteria": "cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "87A4049D-2F34-4F15-83B4-0B620EB43500",
"versionEndIncluding": "4.38.0",
"versionStartIncluding": "4.33.0"
},
{
"criteria": "cpe:2.3:a:facebook:hhvm:4.39.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "43688064-E2D3-461C-982C-A9702623A41F"
},
{
"criteria": "cpe:2.3:a:facebook:hhvm:4.40.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "EF8C8ED9-02DD-4F9C-9B76-751FACE3ED48"
},
{
"criteria": "cpe:2.3:a:facebook:hhvm:4.41.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "94FEC1E6-58FD-47C1-B05E-80BAE3840532"
},
{
"criteria": "cpe:2.3:a:facebook:hhvm:4.42.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "503ED662-BA21-469D-9FDC-73622786B29D"
},
{
"criteria": "cpe:2.3:a:facebook:hhvm:4.43.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F6F55273-3CA7-4432-9D43-951EC943E2B4"
},
{
"criteria": "cpe:2.3:a:facebook:hhvm:4.44.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "89BDE742-DE38-444B-9B40-6F14D6047B14"
},
{
"criteria": "cpe:2.3:a:facebook:hhvm:4.45.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "90646244-2B6C-402F-9835-9D540DE1EBC9"
}
],
"operator": "OR"
}
]
}
]