cvelist/2017/3xxx/CVE-2017-3226.json

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{
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"CVE_data_meta": {
"ASSIGNER": "cert@cert.org",
"ID": "CVE-2017-3226",
"STATE": "PUBLIC",
"TITLE": "Das U-Boot's AES-CBC encryption feature improperly handles an error condition and may allow attacks against the underlying cryptographic implementation and allow an attacker to decrypt the data"
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},
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"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "U-Boot",
"version": {
"version_data": [
{
"affected": "<",
"version_name": "2017.09",
"version_value": "2017.09"
}
]
}
}
]
},
"vendor_name": "Das"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
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"value": "Das U-Boot is a device bootloader that can read its configuration from an AES encrypted file. Devices that make use of Das U-Boot's AES-CBC encryption feature using environment encryption (i.e., setting the configuration parameter CONFIG_ENV_AES=y) read environment variables from disk as the encrypted disk image is processed. An attacker with physical access to the device can manipulate the encrypted environment data to include a crafted two-byte sequence which triggers an error in environment variable parsing. This error condition is improperly handled by Das U-Boot, resulting in an immediate process termination with a debugging message."
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}
]
},
"problemtype": {
"problemtype_data": [
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{
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"description": [
{
"lang": "eng",
"value": "CWE-329"
}
]
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}
]
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},
"references": {
"reference_data": [
{
"name": "VU#166743",
"refsource": "CERT-VN",
"url": "https://www.kb.cert.org/vuls/id/166743"
}
]
},
"source": {
"discovery": "UNKNOWN"
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}
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}