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{
"CVE_data_meta" : {
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"ASSIGNER" : "security-officer@isc.org" ,
"DATE_PUBLIC" : "2020-08-20T18:35:08.000Z" ,
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"ID" : "CVE-2020-8624" ,
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"STATE" : "PUBLIC" ,
"TITLE" : "update-policy rules of type \"subdomain\" are enforced incorrectly"
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} ,
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"affects" : {
"vendor" : {
"vendor_data" : [
{
"product" : {
"product_data" : [
{
"product_name" : "BIND9" ,
"version" : {
"version_data" : [
{
"version_affected" : ">=" ,
"version_value" : "9.9.12"
} ,
{
"version_affected" : "<=" ,
"version_value" : "9.9.13"
} ,
{
"version_affected" : ">=" ,
"version_value" : "9.10.7"
} ,
{
"version_affected" : "<=" ,
"version_value" : "9.10.8"
} ,
{
"version_affected" : ">=" ,
"version_value" : "9.11.3"
} ,
{
"version_affected" : "<" ,
"version_value" : "9.11.22"
} ,
{
"version_affected" : ">=" ,
"version_value" : "9.12.1"
} ,
{
"version_affected" : "<" ,
"version_value" : "9.16.6"
} ,
{
"version_affected" : ">=" ,
"version_value" : "9.17.0"
} ,
{
"version_affected" : "<" ,
"version_value" : "9.17.4"
} ,
{
"version_affected" : ">=" ,
"version_value" : "9.9.12-S1"
} ,
{
"version_affected" : "<=" ,
"version_value" : "9.9.13-S1"
} ,
{
"version_affected" : ">=" ,
"version_value" : "9.11.3-S1"
} ,
{
"version_affected" : "<" ,
"version_value" : "9.11.22-S1"
}
]
}
}
]
} ,
"vendor_name" : "ISC"
}
]
}
} ,
"credit" : [
{
"lang" : "eng" ,
"value" : "ISC would like to thank Joop Boonen of credativ GmbH for bringing this vulnerability to our attention."
}
] ,
"data_format" : "MITRE" ,
"data_type" : "CVE" ,
"data_version" : "4.0" ,
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"description" : {
"description_data" : [
{
"lang" : "eng" ,
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"value" : "In BIND 9.9.12 -> 9.9.13, 9.10.7 -> 9.10.8, 9.11.3 -> 9.11.21, 9.12.1 -> 9.16.5, 9.17.0 -> 9.17.3, also affects 9.9.12-S1 -> 9.9.13-S1, 9.11.3-S1 -> 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker who has been granted privileges to change a specific subset of the zone's content could abuse these unintended additional privileges to update other contents of the zone."
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}
]
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} ,
"exploit" : [
{
"lang" : "eng" ,
"value" : "We are not aware of any active exploits but the issue has been described on a public bug tracker for a Linux distribution."
}
] ,
"generator" : {
"engine" : "Vulnogram 0.0.9"
} ,
"impact" : {
"cvss" : {
"attackComplexity" : "LOW" ,
"attackVector" : "NETWORK" ,
"availabilityImpact" : "NONE" ,
"baseScore" : 4.3 ,
"baseSeverity" : "MEDIUM" ,
"confidentialityImpact" : "NONE" ,
"integrityImpact" : "LOW" ,
"privilegesRequired" : "LOW" ,
"scope" : "UNCHANGED" ,
"userInteraction" : "NONE" ,
"vectorString" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N" ,
"version" : "3.1"
}
} ,
"problemtype" : {
"problemtype_data" : [
{
"description" : [
{
"lang" : "eng" ,
"value" : "Change 4885 inadvertently caused \"update-policy\" rules of type \"subdomain\" to be treated as if they were of type \"zonesub\", allowing updates to all parts of the zone along with the intended subdomain. Affects BIND 9.9.12 -> 9.9.13, 9.10.7 -> 9.10.8, 9.11.3 -> 9.11.21, 9.12.1 -> 9.16.5, 9.17.0 -> 9.17.3, also affects 9.9.12-S1 -> 9.9.13-S1, 9.11.3-S1 -> 9.11.21-S1 of the BIND 9 Supported Preview Edition"
}
]
}
]
} ,
"references" : {
"reference_data" : [
{
"name" : "https://kb.isc.org/docs/cve-2020-8624" ,
"refsource" : "CONFIRM" ,
"url" : "https://kb.isc.org/docs/cve-2020-8624"
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} ,
{
"refsource" : "FEDORA" ,
"name" : "FEDORA-2020-a02b7a0f21" ,
"url" : "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DQN62GBMCIC5AY4KYADGXNKVY6AJKSJE/"
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} ,
{
"refsource" : "CONFIRM" ,
"name" : "https://security.netapp.com/advisory/ntap-20200827-0003/" ,
"url" : "https://security.netapp.com/advisory/ntap-20200827-0003/"
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} ,
{
"refsource" : "UBUNTU" ,
"name" : "USN-4468-1" ,
"url" : "https://usn.ubuntu.com/4468-1/"
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} ,
{
"refsource" : "DEBIAN" ,
"name" : "DSA-4752" ,
"url" : "https://www.debian.org/security/2020/dsa-4752"
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} ,
{
"refsource" : "FEDORA" ,
"name" : "FEDORA-2020-14c194e5af" ,
"url" : "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZKAMJZXR66P6S5LEU4SN7USSNCWTXEXP/"
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} ,
{
"refsource" : "GENTOO" ,
"name" : "GLSA-202008-19" ,
"url" : "https://security.gentoo.org/glsa/202008-19"
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} ,
{
"refsource" : "CONFIRM" ,
"name" : "https://www.synology.com/security/advisory/Synology_SA_20_19" ,
"url" : "https://www.synology.com/security/advisory/Synology_SA_20_19"
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} ,
{
"refsource" : "SUSE" ,
"name" : "openSUSE-SU-2020:1699" ,
"url" : "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html"
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} ,
{
"refsource" : "SUSE" ,
"name" : "openSUSE-SU-2020:1701" ,
"url" : "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html"
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}
]
} ,
"solution" : [
{
"lang" : "eng" ,
"value" : "Upgrade to the patched release most closely related to your current version of BIND:\n\n BIND 9.11.22\n BIND 9.16.6\n BIND 9.17.4\n\nBIND Supported Preview Edition is a special feature preview branch of BIND provided to eligible ISC support customers.\n\n BIND 9.11.22-S1\n"
}
] ,
"source" : {
"discovery" : "USER"
} ,
"work_around" : [
{
"lang" : "eng" ,
"value" : "No workarounds known."
}
]
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}
