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{
"id" : "CVE-2024-45489" ,
"sourceIdentifier" : "cve@mitre.org" ,
"published" : "2024-09-20T17:15:15.060" ,
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"lastModified" : "2024-09-20T19:15:16.330" ,
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"vulnStatus" : "Received" ,
"cveTags" : [ ] ,
"descriptions" : [
{
"lang" : "en" ,
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"value" : "Arc before 2024-08-26 allows remote code execution in JavaScript boosts. Boosts that run JavaScript cannot be shared by default; however (because of misconfigured Firebase ACLs), it is possible to create or update a boost using another user's ID. This installs the boost in the victim's browser and runs arbitrary Javascript on that browser in a privileged context. NOTE: this is a no-action cloud vulnerability with zero affected users."
}
] ,
"metrics" : {
"cvssMetricV31" : [
{
"source" : "134c704f-9b21-4f2e-91b3-4a467353bcc0" ,
"type" : "Secondary" ,
"cvssData" : {
"version" : "3.1" ,
"vectorString" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H" ,
"attackVector" : "NETWORK" ,
"attackComplexity" : "LOW" ,
"privilegesRequired" : "NONE" ,
"userInteraction" : "NONE" ,
"scope" : "UNCHANGED" ,
"confidentialityImpact" : "HIGH" ,
"integrityImpact" : "HIGH" ,
"availabilityImpact" : "HIGH" ,
"baseScore" : 9.8 ,
"baseSeverity" : "CRITICAL"
} ,
"exploitabilityScore" : 3.9 ,
"impactScore" : 5.9
}
]
} ,
"weaknesses" : [
{
"source" : "134c704f-9b21-4f2e-91b3-4a467353bcc0" ,
"type" : "Secondary" ,
"description" : [
{
"lang" : "en" ,
"value" : "CWE-284"
}
]
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}
] ,
"references" : [
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{
"url" : "https://arc.net/blog/CVE-2024-45489-incident-response" ,
"source" : "cve@mitre.org"
} ,
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{
"url" : "https://kibty.town/blog/arc/" ,
"source" : "cve@mitre.org"
} ,
{
"url" : "https://news.ycombinator.com/item?id=41597250" ,
"source" : "cve@mitre.org"
}
]
}