2023-04-24 12:24:31 +02:00
{
"id" : "CVE-2020-15530" ,
"sourceIdentifier" : "cve@mitre.org" ,
"published" : "2020-07-05T01:15:10.790" ,
2024-11-23 13:10:58 +00:00
"lastModified" : "2024-11-21T05:05:42.240" ,
"vulnStatus" : "Modified" ,
2024-12-08 03:06:42 +00:00
"cveTags" : [ ] ,
2023-04-24 12:24:31 +02:00
"descriptions" : [
{
"lang" : "en" ,
"value" : "An issue was discovered in Valve Steam Client 2.10.91.91. The installer allows local users to gain NT AUTHORITY\\SYSTEM privileges because some parts of %PROGRAMFILES(X86)%\\Steam and/or %COMMONPROGRAMFILES(X86)%\\Steam have weak permissions during a critical time window. An attacker can make this time window arbitrarily long by using opportunistic locks."
} ,
{
"lang" : "es" ,
"value" : "Se detect\u00f3 un problema en Valve Steam Client 2.10.91.91. El instalador permite a usuarios locales obtener privilegios NT AUTHORITY\\SYSTEM porque algunas partes de %PROGRAMFILES(X86)%\\Steam y/o %COMMONPROGRAMFILES(X86)%\\Steam presentan permisos d\u00e9biles durante una ventana de tiempo cr\u00edtica. Un atacante puede hacer que esta ventana de tiempo sea arbitrariamente larga usando bloqueos oportunistas"
}
] ,
"metrics" : {
"cvssMetricV31" : [
{
"source" : "nvd@nist.gov" ,
"type" : "Primary" ,
"cvssData" : {
"version" : "3.1" ,
"vectorString" : "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H" ,
2024-11-23 13:10:58 +00:00
"baseScore" : 7.8 ,
"baseSeverity" : "HIGH" ,
2023-04-24 12:24:31 +02:00
"attackVector" : "LOCAL" ,
"attackComplexity" : "LOW" ,
"privilegesRequired" : "LOW" ,
"userInteraction" : "NONE" ,
"scope" : "UNCHANGED" ,
"confidentialityImpact" : "HIGH" ,
"integrityImpact" : "HIGH" ,
2024-11-23 13:10:58 +00:00
"availabilityImpact" : "HIGH"
2023-04-24 12:24:31 +02:00
} ,
"exploitabilityScore" : 1.8 ,
"impactScore" : 5.9
}
] ,
"cvssMetricV2" : [
{
"source" : "nvd@nist.gov" ,
"type" : "Primary" ,
"cvssData" : {
"version" : "2.0" ,
"vectorString" : "AV:L/AC:L/Au:N/C:C/I:C/A:C" ,
2024-11-23 13:10:58 +00:00
"baseScore" : 7.2 ,
2023-04-24 12:24:31 +02:00
"accessVector" : "LOCAL" ,
"accessComplexity" : "LOW" ,
"authentication" : "NONE" ,
"confidentialityImpact" : "COMPLETE" ,
"integrityImpact" : "COMPLETE" ,
2024-11-23 13:10:58 +00:00
"availabilityImpact" : "COMPLETE"
2023-04-24 12:24:31 +02:00
} ,
"baseSeverity" : "HIGH" ,
"exploitabilityScore" : 3.9 ,
"impactScore" : 10.0 ,
"acInsufInfo" : false ,
"obtainAllPrivilege" : false ,
"obtainUserPrivilege" : false ,
"obtainOtherPrivilege" : false ,
"userInteractionRequired" : false
}
]
} ,
"weaknesses" : [
{
"source" : "nvd@nist.gov" ,
"type" : "Primary" ,
"description" : [
{
"lang" : "en" ,
"value" : "CWE-362"
}
]
}
] ,
"configurations" : [
{
"nodes" : [
{
"operator" : "OR" ,
"negate" : false ,
"cpeMatch" : [
{
"vulnerable" : true ,
"criteria" : "cpe:2.3:a:valvesoftware:steam_client:2.10.91.91:*:*:*:*:*:*:*" ,
"matchCriteriaId" : "30EC9032-8AAD-4B1D-A787-612469F59DB1"
}
]
}
]
}
] ,
"references" : [
{
"url" : "http://daniels-it-blog.blogspot.com/2020/07/steam-arbitrary-code-execution-part-2.html" ,
"source" : "cve@mitre.org" ,
"tags" : [
"Exploit" ,
"Third Party Advisory"
]
2024-11-23 13:10:58 +00:00
} ,
{
"url" : "http://daniels-it-blog.blogspot.com/2020/07/steam-arbitrary-code-execution-part-2.html" ,
"source" : "af854a3a-2127-422b-91ae-364da2661108" ,
"tags" : [
"Exploit" ,
"Third Party Advisory"
]
2023-04-24 12:24:31 +02:00
}
]
}