Felix Wilhelm discovered that the NetworkManager internal DHCPv6 client incorrectly handled certain DHCPv6 messages. In non-default configurations where the internal DHCP client is enabled, an attacker on the same network could use this issue to cause NetworkManager to crash, resulting in a denial of service, or possibly execute arbitrary code.
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"cves": [
{
"id": "CVE-2018-15688",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
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"type": "CVSS_V3",
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"type": "CVSS_V3",
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},
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"type": "Ubuntu",
"score": "medium"
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"cves": [
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"type": "CVSS_V3",
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