gsd-2021-39938
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
A vulnerable regular expression pattern in GitLab CE/EE since version 8.15 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2, allows an attacker to cause uncontrolled resource consumption leading to Denial of Service via specially crafted deploy Slash commands
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-39938",
"description": "A vulnerable regular expression pattern in GitLab CE/EE since version 8.15 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2, allows an attacker to cause uncontrolled resource consumption leading to Denial of Service via specially crafted deploy Slash commands",
"id": "GSD-2021-39938",
"references": [
"https://security.archlinux.org/CVE-2021-39938"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-39938"
],
"details": "A vulnerable regular expression pattern in GitLab CE/EE since version 8.15 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2, allows an attacker to cause uncontrolled resource consumption leading to Denial of Service via specially crafted deploy Slash commands",
"id": "GSD-2021-39938",
"modified": "2023-12-13T01:23:15.563897Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "cve@gitlab.com",
"ID": "CVE-2021-39938",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "GitLab",
"version": {
"version_data": [
{
"version_value": "\u003e=14.5, \u003c14.5.2"
},
{
"version_value": "\u003e=14.4, \u003c14.4.4"
},
{
"version_value": "\u003e=8.15, \u003c14.3.6"
}
]
}
}
]
},
"vendor_name": "GitLab"
}
]
}
},
"credit": [
{
"lang": "eng",
"value": "This vulnerability has been discovered internally by the GitLab team"
}
],
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "A vulnerable regular expression pattern in GitLab CE/EE since version 8.15 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2, allows an attacker to cause uncontrolled resource consumption leading to Denial of Service via specially crafted deploy Slash commands"
}
]
},
"impact": {
"cvss": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 3.0,
"baseSeverity": "LOW",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "Uncontrolled resource consumption in GitLab"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://gitlab.com/gitlab-org/gitlab/-/issues/344873",
"refsource": "MISC",
"url": "https://gitlab.com/gitlab-org/gitlab/-/issues/344873"
},
{
"name": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39938.json",
"refsource": "CONFIRM",
"url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39938.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": "8.15.0",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"cpe_name": [],
"versionEndExcluding": "14.3.6",
"versionStartIncluding": "8.15.0",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"cpe_name": [],
"versionEndExcluding": "14.4.4",
"versionStartIncluding": "14.4.0",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"cpe_name": [],
"versionEndExcluding": "14.4.4",
"versionStartIncluding": "14.4.0",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"cpe_name": [],
"versionEndExcluding": "14.5.2",
"versionStartIncluding": "14.5.0",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"cpe_name": [],
"versionEndExcluding": "14.5.2",
"versionStartIncluding": "14.5.0",
"vulnerable": true
}
],
"operator": "OR"
}
]
},
"cve": {
"CVE_data_meta": {
"ASSIGNER": "cve@gitlab.com",
"ID": "CVE-2021-39938"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "en",
"value": "A vulnerable regular expression pattern in GitLab CE/EE since version 8.15 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2, allows an attacker to cause uncontrolled resource consumption leading to Denial of Service via specially crafted deploy Slash commands"
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "en",
"value": "CWE-400"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://gitlab.com/gitlab-org/gitlab/-/issues/344873",
"refsource": "MISC",
"tags": [
"Broken Link"
],
"url": "https://gitlab.com/gitlab-org/gitlab/-/issues/344873"
},
{
"name": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39938.json",
"refsource": "CONFIRM",
"tags": [
"Third Party Advisory"
],
"url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39938.json"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 3.6
}
},
"lastModifiedDate": "2021-12-15T18:55Z",
"publishedDate": "2021-12-13T16:15Z"
}
}
}
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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.