gsd-2023-34243
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
TGstation is a toolset to manage production BYOND servers. In affected versions if a Windows user was registered in tgstation-server (TGS), an attacker could discover their username by brute-forcing the login endpoint with an invalid password. When a valid Windows logon was found, a distinct response would be generated. This issue has been addressed in version 5.12.5. Users are advised to upgrade. Users unable to upgrade may be mitigated by rate-limiting API calls with software that sits in front of TGS in the HTTP pipeline such as fail2ban.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2023-34243",
"id": "GSD-2023-34243"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2023-34243"
],
"details": "TGstation is a toolset to manage production BYOND servers. In affected versions if a Windows user was registered in tgstation-server (TGS), an attacker could discover their username by brute-forcing the login endpoint with an invalid password. When a valid Windows logon was found, a distinct response would be generated. This issue has been addressed in version 5.12.5. Users are advised to upgrade. Users unable to upgrade may be mitigated by rate-limiting API calls with software that sits in front of TGS in the HTTP pipeline such as fail2ban.",
"id": "GSD-2023-34243",
"modified": "2023-12-13T01:20:30.938012Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "security-advisories@github.com",
"ID": "CVE-2023-34243",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "tgstation-server",
"version": {
"version_data": [
{
"version_affected": "=",
"version_value": "\u003e= 4.0.0, \u003c 5.12.5"
}
]
}
}
]
},
"vendor_name": "tgstation"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "TGstation is a toolset to manage production BYOND servers. In affected versions if a Windows user was registered in tgstation-server (TGS), an attacker could discover their username by brute-forcing the login endpoint with an invalid password. When a valid Windows logon was found, a distinct response would be generated. This issue has been addressed in version 5.12.5. Users are advised to upgrade. Users unable to upgrade may be mitigated by rate-limiting API calls with software that sits in front of TGS in the HTTP pipeline such as fail2ban."
}
]
},
"impact": {
"cvss": [
{
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.8,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N",
"version": "3.1"
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"cweId": "CWE-200",
"lang": "eng",
"value": "CWE-200: Exposure of Sensitive Information to an Unauthorized Actor"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://github.com/tgstation/tgstation-server/security/advisories/GHSA-w3jx-4x93-76ph",
"refsource": "MISC",
"url": "https://github.com/tgstation/tgstation-server/security/advisories/GHSA-w3jx-4x93-76ph"
},
{
"name": "https://github.com/tgstation/tgstation-server/pull/1526",
"refsource": "MISC",
"url": "https://github.com/tgstation/tgstation-server/pull/1526"
}
]
},
"source": {
"advisory": "GHSA-w3jx-4x93-76ph",
"discovery": "UNKNOWN"
}
},
"gitlab.com": {
"advisories": [
{
"affected_range": "[4.0.0.0,5.12.5)",
"affected_versions": "All versions starting from 4.0.0.0 before 5.12.5",
"cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"cwe_ids": [
"CWE-1035",
"CWE-307",
"CWE-937"
],
"date": "2023-06-15",
"description": "TGstation is a toolset to manage production BYOND servers. In affected versions if a Windows user was registered in tgstation-server (TGS), an attacker could discover their username by brute-forcing the login endpoint with an invalid password. When a valid Windows logon was found, a distinct response would be generated. This issue has been addressed in version 5.12.5. Users are advised to upgrade. Users unable to upgrade may be mitigated by rate-limiting API calls with software that sits in front of TGS in the HTTP pipeline such as fail2ban.",
"fixed_versions": [
"5.12.5"
],
"identifier": "CVE-2023-34243",
"identifiers": [
"CVE-2023-34243",
"GHSA-w3jx-4x93-76ph"
],
"not_impacted": "All versions before 4.0.0.0, all versions starting from 5.12.5",
"package_slug": "nuget/TGServiceInterface",
"pubdate": "2023-06-08",
"solution": "Upgrade to version 5.12.5 or above.",
"title": "Improper Restriction of Excessive Authentication Attempts",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2023-34243",
"https://github.com/tgstation/tgstation-server/pull/1526",
"https://github.com/tgstation/tgstation-server/security/advisories/GHSA-w3jx-4x93-76ph"
],
"uuid": "198a0c75-c405-4354-9bf9-165918a2fe3d"
}
]
},
"nvd.nist.gov": {
"configurations": {
"CVE_data_version": "4.0",
"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:tgstation13:tgstation-server:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "5.12.5",
"versionStartIncluding": "4.0.0.0",
"vulnerable": true
}
],
"operator": "OR"
}
]
},
"cve": {
"CVE_data_meta": {
"ASSIGNER": "security-advisories@github.com",
"ID": "CVE-2023-34243"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "en",
"value": "TGstation is a toolset to manage production BYOND servers. In affected versions if a Windows user was registered in tgstation-server (TGS), an attacker could discover their username by brute-forcing the login endpoint with an invalid password. When a valid Windows logon was found, a distinct response would be generated. This issue has been addressed in version 5.12.5. Users are advised to upgrade. Users unable to upgrade may be mitigated by rate-limiting API calls with software that sits in front of TGS in the HTTP pipeline such as fail2ban."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "en",
"value": "CWE-307"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://github.com/tgstation/tgstation-server/pull/1526",
"refsource": "MISC",
"tags": [
"Issue Tracking",
"Patch"
],
"url": "https://github.com/tgstation/tgstation-server/pull/1526"
},
{
"name": "https://github.com/tgstation/tgstation-server/security/advisories/GHSA-w3jx-4x93-76ph",
"refsource": "MISC",
"tags": [
"Mitigation",
"Vendor Advisory"
],
"url": "https://github.com/tgstation/tgstation-server/security/advisories/GHSA-w3jx-4x93-76ph"
}
]
}
},
"impact": {
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"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:N",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 1.4
}
},
"lastModifiedDate": "2023-06-15T19:20Z",
"publishedDate": "2023-06-08T22:15Z"
}
}
}
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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.
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