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Add CVE-2022-39343 for GHSA-8jqf-wjhq-4w9f

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Add CVE-2022-39343 for GHSA-8jqf-wjhq-4w9f
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advisory-database[bot] 2022-11-08 07:27:56 +00:00 committed by GitHub
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2022/39xxx/CVE-2022-39343.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-2022-39343",
"ASSIGNER": "cve@mitre.org",
"STATE": "RESERVED"
"STATE": "PUBLIC",
"TITLE": "Azure RTOS FileX vulnerable to Buffer Offerflow"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "filex",
"version": {
"version_data": [
{
"version_value": "< 6.2.0"
}
]
}
}
]
},
"vendor_name": "azure-rtos"
}
]
}
},
"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": "Azure RTOS FileX is a FAT-compatible file system that’s fully integrated with Azure RTOS ThreadX. In versions before 6.2.0, the Fault Tolerant feature of Azure RTOS FileX includes integer under and overflows which may be exploited to achieve buffer overflow and modify memory contents. When a valid log file with correct ID and checksum is detected by the `_fx_fault_tolerant_enable` function an attempt to recover the previous failed write operation is taken by call of `_fx_fault_tolerant_apply_logs`. This function iterates through the log entries and performs required recovery operations. When properly crafted a log including entries of type `FX_FAULT_TOLERANT_DIR_LOG_TYPE` may be utilized to introduce unexpected behavior. This issue has been patched in version 6.2.0. A workaround to fix line 218 in fx_fault_tolerant_apply_logs.c is documented in the GHSA."
}
]
},
"impact": {
"cvss": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 5.6,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://github.com/azure-rtos/filex/security/advisories/GHSA-8jqf-wjhq-4w9f",
"refsource": "CONFIRM",
"url": "https://github.com/azure-rtos/filex/security/advisories/GHSA-8jqf-wjhq-4w9f"
},
{
"name": "https://github.com/azure-rtos/filex/blob/master/common/src/fx_fault_tolerant_apply_logs.c#L218",
"refsource": "MISC",
"url": "https://github.com/azure-rtos/filex/blob/master/common/src/fx_fault_tolerant_apply_logs.c#L218"
}
]
},
"source": {
"advisory": "GHSA-8jqf-wjhq-4w9f",
"discovery": "UNKNOWN"
}
}