Overview
- Description
- A buffer over-read vulnerability exists in bl <4.0.3, <3.0.1, <2.2.1, and <1.2.3 which could allow an attacker to supply user input (even typed) that if it ends up in consume() argument and can become negative, the BufferList state can be corrupted, tricking it into exposing uninitialized memory via regular .slice() calls.
- Source
- support@hackerone.com
- NVD status
- Analyzed
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 6.5
- Impact score
- 2.5
- Exploitability score
- 3.9
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
- Severity
- MEDIUM
CVSS 2.0
- Type
- Primary
- Base score
- 6.4
- Impact score
- 4.9
- Exploitability score
- 10
- Vector string
- AV:N/AC:L/Au:N/C:P/I:N/A:P
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:bufferlist_project:bufferlist:*:*:*:*:*:node.js:*:*",
"vulnerable": true,
"matchCriteriaId": "BE477499-8C07-4A21-80ED-522252634656",
"versionEndExcluding": "1.2.3"
},
{
"criteria": "cpe:2.3:a:bufferlist_project:bufferlist:*:*:*:*:*:node.js:*:*",
"vulnerable": true,
"matchCriteriaId": "3BAC5D84-F507-43F3-8F02-30B19CAB6CB5",
"versionEndExcluding": "2.2.1",
"versionStartIncluding": "2.0.0"
},
{
"criteria": "cpe:2.3:a:bufferlist_project:bufferlist:*:*:*:*:*:node.js:*:*",
"vulnerable": true,
"matchCriteriaId": "F970C0FA-2479-4F5B-BF15-010C22CE5DB6",
"versionEndExcluding": "3.0.1",
"versionStartIncluding": "3.0.0"
},
{
"criteria": "cpe:2.3:a:bufferlist_project:bufferlist:*:*:*:*:*:node.js:*:*",
"vulnerable": true,
"matchCriteriaId": "6609D49F-7700-4262-AAF3-1470A1CEB9E0",
"versionEndExcluding": "4.0.3",
"versionStartIncluding": "4.0.0"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"
}
],
"operator": "OR"
}
]
}
]