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CVE-2019-14859

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mrehak@redhat.com 2020-01-02 12:08:00 +01:00
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{
"data_type": "CVE",
"data_format": "MITRE",
"data_version": "4.0",
"CVE_data_meta": {
"ID": "CVE-2019-14859",
"ASSIGNER": "mrehak@redhat.com"
},
"affects": {
"vendor": {
"vendor_data": [
{
"vendor_name": "Red Hat",
"product": {
"product_data": [
{
"product_name": "python-ecdsa",
"version": {
"version_data": [
{
"version_value": "all python-ecdsa versions before 0.13.3"
}
]
}
}
]
}
}
]
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-347"
}
]
}
]
},
"references": {
"reference_data": [
{
"url": "https://github.com/warner/python-ecdsa/releases/tag/python-ecdsa-0.13.3"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14859",
"name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14859",
"refsource": "CONFIRM"
},
{
"url": "https://pypi.org/project/ecdsa/0.13.3/"
}
]
},
"description": {
"description_data": [
{
"lang": "eng",
"value": "A flaw was found in all python-ecdsa versions before 0.13.3, where it did not correctly verify whether signatures used DER encoding. Without this verification, a malformed signature could be accepted, making the signature malleable. Without proper verification, an attacker could use a malleable signature to create false transactions."
}
]
},
"impact": {
"cvss": [
[
{
"vectorString": "7.4/CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
"version": "3.0"
}
]
]
}
}