gsd-2020-8244
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
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.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2020-8244",
"description": "A buffer over-read vulnerability exists in bl \u003c4.0.3, \u003c3.0.1, \u003c2.2.1, and \u003c1.2.3 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.",
"id": "GSD-2020-8244",
"references": [
"https://ubuntu.com/security/CVE-2020-8244"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2020-8244"
],
"details": "A buffer over-read vulnerability exists in bl \u003c4.0.3, \u003c3.0.1, \u003c2.2.1, and \u003c1.2.3 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.",
"id": "GSD-2020-8244",
"modified": "2023-12-13T01:21:53.846412Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "support@hackerone.com",
"ID": "CVE-2020-8244",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "bl",
"version": {
"version_data": [
{
"version_value": "Fixed in 4.0.3, 3.0.1, 2.2.1, and 1.2.3"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "A buffer over-read vulnerability exists in bl \u003c4.0.3, \u003c3.0.1, \u003c2.2.1, and \u003c1.2.3 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."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "Buffer Over-read (CWE-126)"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://hackerone.com/reports/966347",
"refsource": "MISC",
"url": "https://hackerone.com/reports/966347"
},
{
"name": "[debian-lts-announce] 20210630 [SECURITY] [DLA 2698-1] node-bl security update",
"refsource": "MLIST",
"url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00028.html"
}
]
}
},
"gitlab.com": {
"advisories": [
{
"affected_range": "\u003c1.2.3||\u003e=2.0.0 \u003c2.2.1||\u003e=3.0.0 \u003c3.0.1||\u003e=4.0.0 \u003c4.0.3",
"affected_versions": "All versions before 1.2.3, all versions starting from 2.0.0 before 2.2.1, all versions starting from 3.0.0 before 3.0.1, all versions starting from 4.0.0 before 4.0.3",
"cvss_v2": "AV:N/AC:L/Au:N/C:P/I:N/A:P",
"cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
"cwe_ids": [
"CWE-1035",
"CWE-125",
"CWE-937"
],
"date": "2021-07-01",
"description": "A buffer over-read vulnerability exists in bl 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.",
"fixed_versions": [
"1.2.3",
"2.2.1",
"3.0.1",
"4.0.3"
],
"identifier": "CVE-2020-8244",
"identifiers": [
"CVE-2020-8244"
],
"not_impacted": "All versions starting from 1.2.3 before 2.0.0, all versions starting from 2.2.1 before 3.0.0, all versions starting from 3.0.1 before 4.0.0, all versions starting from 4.0.3",
"package_slug": "npm/bl",
"pubdate": "2020-08-30",
"solution": "Upgrade to versions 1.2.3, 2.2.1, 3.0.1, 4.0.3 or above.",
"title": "Out-of-bounds Read",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2020-8244"
],
"uuid": "5c803f2c-d546-484b-bb75-8d3dc9140e08"
}
]
},
"nvd.nist.gov": {
"configurations": {
"CVE_data_version": "4.0",
"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:bufferlist_project:bufferlist:*:*:*:*:*:node.js:*:*",
"cpe_name": [],
"versionEndExcluding": "3.0.1",
"versionStartIncluding": "3.0.0",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:bufferlist_project:bufferlist:*:*:*:*:*:node.js:*:*",
"cpe_name": [],
"versionEndExcluding": "4.0.3",
"versionStartIncluding": "4.0.0",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:bufferlist_project:bufferlist:*:*:*:*:*:node.js:*:*",
"cpe_name": [],
"versionEndExcluding": "1.2.3",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:bufferlist_project:bufferlist:*:*:*:*:*:node.js:*:*",
"cpe_name": [],
"versionEndExcluding": "2.2.1",
"versionStartIncluding": "2.0.0",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
}
],
"operator": "OR"
}
]
},
"cve": {
"CVE_data_meta": {
"ASSIGNER": "cve-assignments@hackerone.com",
"ID": "CVE-2020-8244"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "en",
"value": "A buffer over-read vulnerability exists in bl \u003c4.0.3, \u003c3.0.1, \u003c2.2.1, and \u003c1.2.3 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."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "en",
"value": "CWE-125"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://hackerone.com/reports/966347",
"refsource": "MISC",
"tags": [
"Exploit",
"Patch",
"Third Party Advisory"
],
"url": "https://hackerone.com/reports/966347"
},
{
"name": "[debian-lts-announce] 20210630 [SECURITY] [DLA 2698-1] node-bl security update",
"refsource": "MLIST",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00028.html"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 6.4,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 4.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 2.5
}
},
"lastModifiedDate": "2022-05-24T17:31Z",
"publishedDate": "2020-08-30T15:15Z"
}
}
}
Loading...
Loading...
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.