gsd-2021-39946
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
Improper neutralization of user input in GitLab CE/EE versions 14.3 to 14.3.6, 14.4 to 14.4.4, and 14.5 to 14.5.2 allowed an attacker to exploit XSS by abusing the generation of the HTML code related to emojis
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-39946",
"description": "Improper neutralization of user input in GitLab CE/EE versions 14.3 to 14.3.6, 14.4 to 14.4.4, and 14.5 to 14.5.2 allowed an attacker to exploit XSS by abusing the generation of the HTML code related to emojis",
"id": "GSD-2021-39946"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-39946"
],
"details": "Improper neutralization of user input in GitLab CE/EE versions 14.3 to 14.3.6, 14.4 to 14.4.4, and 14.5 to 14.5.2 allowed an attacker to exploit XSS by abusing the generation of the HTML code related to emojis",
"id": "GSD-2021-39946",
"modified": "2023-12-13T01:23:15.312828Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "cve@gitlab.com",
"ID": "CVE-2021-39946",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "GitLab",
"version": {
"version_data": [
{
"version_value": "\u003e=14.3, \u003c14.3.6"
},
{
"version_value": "\u003e=14.4, \u003c14.4.4"
},
{
"version_value": "\u003e=14.5, \u003c14.5.2"
}
]
}
}
]
},
"vendor_name": "GitLab"
}
]
}
},
"credit": [
{
"lang": "eng",
"value": "Thanks jarij for reporting this vulnerability through our HackerOne bug bounty program"
}
],
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "Improper neutralization of user input in GitLab CE/EE versions 14.3 to 14.3.6, 14.4 to 14.4.4, and 14.5 to 14.5.2 allowed an attacker to exploit XSS by abusing the generation of the HTML code related to emojis"
}
]
},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 8.7,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "Improper neutralization of input during web page generation (\u0027cross-site scripting\u0027) in GitLab"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://gitlab.com/gitlab-org/gitlab/-/issues/345657",
"refsource": "MISC",
"url": "https://gitlab.com/gitlab-org/gitlab/-/issues/345657"
},
{
"name": "https://hackerone.com/reports/1398305",
"refsource": "MISC",
"url": "https://hackerone.com/reports/1398305"
},
{
"name": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39946.json",
"refsource": "CONFIRM",
"url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39946.json"
}
]
}
},
"nvd.nist.gov": {
"configurations": {
"CVE_data_version": "4.0",
"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"cpe_name": [],
"versionEndExcluding": "14.3.6",
"versionStartIncluding": "14.3",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"cpe_name": [],
"versionEndExcluding": "14.3.6",
"versionStartIncluding": "14.3",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"cpe_name": [],
"versionEndExcluding": "14.4.4",
"versionStartIncluding": "14.4",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"cpe_name": [],
"versionEndExcluding": "14.4.4",
"versionStartIncluding": "14.4",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"cpe_name": [],
"versionEndExcluding": "14.5.2",
"versionStartIncluding": "14.5",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"cpe_name": [],
"versionEndExcluding": "14.5.2",
"versionStartIncluding": "14.5",
"vulnerable": true
}
],
"operator": "OR"
}
]
},
"cve": {
"CVE_data_meta": {
"ASSIGNER": "cve@gitlab.com",
"ID": "CVE-2021-39946"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "en",
"value": "Improper neutralization of user input in GitLab CE/EE versions 14.3 to 14.3.6, 14.4 to 14.4.4, and 14.5 to 14.5.2 allowed an attacker to exploit XSS by abusing the generation of the HTML code related to emojis"
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "en",
"value": "CWE-79"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39946.json",
"refsource": "CONFIRM",
"tags": [
"Vendor Advisory"
],
"url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39946.json"
},
{
"name": "https://gitlab.com/gitlab-org/gitlab/-/issues/345657",
"refsource": "MISC",
"tags": [
"Broken Link",
"Vendor Advisory"
],
"url": "https://gitlab.com/gitlab-org/gitlab/-/issues/345657"
},
{
"name": "https://hackerone.com/reports/1398305",
"refsource": "MISC",
"tags": [
"Permissions Required",
"Third Party Advisory"
],
"url": "https://hackerone.com/reports/1398305"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "NONE",
"baseScore": 3.5,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 6.8,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "LOW",
"userInteractionRequired": true
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.3,
"impactScore": 2.7
}
},
"lastModifiedDate": "2022-01-25T16:35Z",
"publishedDate": "2022-01-18T17:15Z"
}
}
}
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- 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.