gsd-2021-25220
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
BIND 9.11.0 -> 9.11.36 9.12.0 -> 9.16.26 9.17.0 -> 9.18.0 BIND Supported Preview Editions: 9.11.4-S1 -> 9.11.36-S1 9.16.8-S1 -> 9.16.26-S1 Versions of BIND 9 earlier than those shown - back to 9.1.0, including Supported Preview Editions - are also believed to be affected but have not been tested as they are EOL. The cache could become poisoned with incorrect records leading to queries being made to the wrong servers, which might also result in false information being returned to clients.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-25220",
"description": "BIND 9.11.0 -\u003e 9.11.36 9.12.0 -\u003e 9.16.26 9.17.0 -\u003e 9.18.0 BIND Supported Preview Editions: 9.11.4-S1 -\u003e 9.11.36-S1 9.16.8-S1 -\u003e 9.16.26-S1 Versions of BIND 9 earlier than those shown - back to 9.1.0, including Supported Preview Editions - are also believed to be affected but have not been tested as they are EOL. The cache could become poisoned with incorrect records leading to queries being made to the wrong servers, which might also result in false information being returned to clients.",
"id": "GSD-2021-25220",
"references": [
"https://security.archlinux.org/CVE-2021-25220",
"https://www.debian.org/security/2022/dsa-5105",
"https://advisories.mageia.org/CVE-2021-25220.html",
"https://www.suse.com/security/cve/CVE-2021-25220.html",
"https://ubuntu.com/security/CVE-2021-25220",
"https://access.redhat.com/errata/RHSA-2022:7643",
"https://access.redhat.com/errata/RHSA-2022:7790",
"https://access.redhat.com/errata/RHSA-2022:8068",
"https://access.redhat.com/errata/RHSA-2022:8385",
"https://access.redhat.com/errata/RHSA-2023:0402"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-25220"
],
"details": "BIND 9.11.0 -\u003e 9.11.36 9.12.0 -\u003e 9.16.26 9.17.0 -\u003e 9.18.0 BIND Supported Preview Editions: 9.11.4-S1 -\u003e 9.11.36-S1 9.16.8-S1 -\u003e 9.16.26-S1 Versions of BIND 9 earlier than those shown - back to 9.1.0, including Supported Preview Editions - are also believed to be affected but have not been tested as they are EOL. The cache could become poisoned with incorrect records leading to queries being made to the wrong servers, which might also result in false information being returned to clients.",
"id": "GSD-2021-25220",
"modified": "2023-12-13T01:23:21.373067Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
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"CVE_data_meta": {
"ASSIGNER": "security-officer@isc.org",
"DATE_PUBLIC": "2022-03-16T11:00:00.000Z",
"ID": "CVE-2021-25220",
"STATE": "PUBLIC",
"TITLE": "DNS forwarders - cache poisoning vulnerability"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "BIND",
"version": {
"version_data": [
{
"version_name": "Open Source Branch 9.11 ",
"version_value": "9.11.0 through versions before 9.11.37"
},
{
"version_name": "Development Branch 9.17 ",
"version_value": "BIND 9.17 all version"
},
{
"version_name": "Open Source Branch 9.12-16 ",
"version_value": "9.12.0 through versions before 9.16.27"
},
{
"version_name": "Open Source Branch 9.18",
"version_value": "9.18.0"
},
{
"version_name": "Supported Preview Branch 9.11-S",
"version_value": "9.11.0-S through versions before 9.11.37-S"
},
{
"version_name": "Supported Preview Branch 9.16-S ",
"version_value": "9.16.0-S through versions before 9.16.27-S"
}
]
}
}
]
},
"vendor_name": "ISC"
}
]
}
},
"credit": [
{
"lang": "eng",
"value": "ISC would like to thank Xiang Li, Baojun Liu, and Chaoyi Lu from Network and Information Security Lab, Tsinghua University and Changgen Zou from Qi An Xin Group Corp. for discovering and reporting this issue."
}
],
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "BIND 9.11.0 -\u003e 9.11.36 9.12.0 -\u003e 9.16.26 9.17.0 -\u003e 9.18.0 BIND Supported Preview Editions: 9.11.4-S1 -\u003e 9.11.36-S1 9.16.8-S1 -\u003e 9.16.26-S1 Versions of BIND 9 earlier than those shown - back to 9.1.0, including Supported Preview Editions - are also believed to be affected but have not been tested as they are EOL. The cache could become poisoned with incorrect records leading to queries being made to the wrong servers, which might also result in false information being returned to clients."
}
]
},
"generator": {
"engine": "Vulnogram 0.0.9"
},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.8,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "When using forwarders, bogus NS records supplied by, or via, those forwarders may be cached and used by named if it needs to recurse for any reason, causing it to obtain and pass on potentially incorrect answers. Some examples of configurations that will be vulnerable are: Resolvers using per zone or global forwarding with forward first (forward first is the default). Resolvers not using global forwarding, but with per-zone forwarding with either forward first (the default) or forward only. Resolvers configured with global forwarding along with zone statements that disable forwarding for part of the DNS namespace. Authoritative-only BIND 9 servers are not vulnerable to this flaw. BIND 9.11.0 -\u003e 9.11.36 9.12.0 -\u003e 9.16.26 9.17.0 -\u003e 9.18.0 BIND Supported Preview Editions: 9.11.4-S1 -\u003e 9.11.36-S1 9.16.8-S1 -\u003e 9.16.26-S1 Versions of BIND 9 earlier than those shown - back to 9.1.0, including Supported Preview Editions - are also believed to be affected but have not been tested as they are EOL."
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://kb.isc.org/v1/docs/cve-2021-25220",
"refsource": "CONFIRM",
"url": "https://kb.isc.org/v1/docs/cve-2021-25220"
},
{
"name": "FEDORA-2022-14e36aac0c",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NYD7US4HZRFUGAJ66ZTHFBYVP5N3OQBY/"
},
{
"name": "FEDORA-2022-042d9c6146",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/API7U5E7SX7BAAVFNW366FFJGD6NZZKV/"
},
{
"name": "https://security.netapp.com/advisory/ntap-20220408-0001/",
"refsource": "CONFIRM",
"url": "https://security.netapp.com/advisory/ntap-20220408-0001/"
},
{
"name": "FEDORA-2022-a88218de5c",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5VX3I2U3ICOIEI5Y7OYA6CHOLFMNH3YQ/"
},
{
"name": "FEDORA-2022-05918f0838",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2SXT7247QTKNBQ67MNRGZD23ADXU6E5U/"
},
{
"name": "FEDORA-2022-3f293290c3",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DE3UAVCPUMAKG27ZL5YXSP2C3RIOW3JZ/"
},
{
"name": "https://cert-portal.siemens.com/productcert/pdf/ssa-637483.pdf",
"refsource": "CONFIRM",
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-637483.pdf"
},
{
"name": "GLSA-202210-25",
"refsource": "GENTOO",
"url": "https://security.gentoo.org/glsa/202210-25"
},
{
"name": "https://supportportal.juniper.net/s/article/2022-10-Security-Bulletin-Junos-OS-SRX-Series-Cache-poisoning-vulnerability-in-BIND-used-by-DNS-Proxy-CVE-2021-25220?language=en_US",
"refsource": "MISC",
"url": "https://supportportal.juniper.net/s/article/2022-10-Security-Bulletin-Junos-OS-SRX-Series-Cache-poisoning-vulnerability-in-BIND-used-by-DNS-Proxy-CVE-2021-25220?language=en_US"
}
]
},
"solution": [
{
"lang": "eng",
"value": "Upgrade to the patched release most closely related to your current version of BIND:\n BIND 9.11.37\n BIND 9.16.27\n BIND 9.18.1\nBIND Supported Preview Edition is a special feature preview branch of BIND provided to eligible ISC support customers.\n BIND 9.11.37-S1\n BIND 9.16.27-S1"
}
],
"source": {
"discovery": "EXTERNAL"
},
"work_around": [
{
"lang": "eng",
"value": "If applicable, modify your configuration to either remove all forwarding or all possibility of recursion. Depending on your use-case, it may be possible to use other zone types to replace forward zones.\nActive exploits: We are not aware of any active exploits."
}
]
},
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},
{
"name": "FEDORA-2022-a88218de5c",
"refsource": "",
"tags": [],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5VX3I2U3ICOIEI5Y7OYA6CHOLFMNH3YQ/"
},
{
"name": "FEDORA-2022-05918f0838",
"refsource": "",
"tags": [],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2SXT7247QTKNBQ67MNRGZD23ADXU6E5U/"
},
{
"name": "FEDORA-2022-3f293290c3",
"refsource": "",
"tags": [],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DE3UAVCPUMAKG27ZL5YXSP2C3RIOW3JZ/"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "NONE",
"baseScore": 4.0,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 8.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.8,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.3,
"impactScore": 4.0
}
},
"lastModifiedDate": "2023-11-09T14:44Z",
"publishedDate": "2022-03-23T13:15Z"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.