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Add CVE-2022-39200 for GHSA-pfw4-xjgm-267c

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Add CVE-2022-39200 for GHSA-pfw4-xjgm-267c
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advisory-database[bot] 2022-09-12 20:06:02 +00:00 committed by GitHub
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commit 0d2556e180
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2022/39xxx/CVE-2022-39200.json
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{
"data_type": "CVE",
"data_format": "MITRE",
"data_version": "4.0",
"CVE_data_meta": {
"ASSIGNER": "security-advisories@github.com",
"ID": "CVE-2022-39200",
"ASSIGNER": "cve@mitre.org",
"STATE": "RESERVED"
"STATE": "PUBLIC",
"TITLE": "Signature checks not applied to some retrieved missing events"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "dendrite",
"version": {
"version_data": [
{
"version_value": "< 0.9.8"
}
]
}
}
]
},
"vendor_name": "matrix-org"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided."
"value": "Dendrite is a Matrix homeserver written in Go. In affected versions events retrieved from a remote homeserver using the `/get_missing_events` path did not have their signatures verified correctly. This could potentially allow a remote homeserver to provide invalid/modified events to Dendrite via this endpoint. Note that this does not apply to events retrieved through other endpoints (e.g. `/event`, `/state`) as they have been correctly verified. Homeservers that have federation disabled are not vulnerable. The problem has been fixed in Dendrite 0.9.8. Users are advised to upgrade. There are no known workarounds for this issue."
}
]
},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 7.3,
"baseSeverity": "HIGH",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-347: Improper Verification of Cryptographic Signature"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://github.com/matrix-org/dendrite/security/advisories/GHSA-pfw4-xjgm-267c",
"refsource": "CONFIRM",
"url": "https://github.com/matrix-org/dendrite/security/advisories/GHSA-pfw4-xjgm-267c"
},
{
"name": "https://github.com/matrix-org/dendrite/commit/2792d0490f3771488bad346981b8c26479a872c3",
"refsource": "MISC",
"url": "https://github.com/matrix-org/dendrite/commit/2792d0490f3771488bad346981b8c26479a872c3"
}
]
},
"source": {
"advisory": "GHSA-pfw4-xjgm-267c",
"discovery": "UNKNOWN"
}
}