CVE-2017-11104 (GCVE-0-2017-11104)
Vulnerability from cvelistv5 – Published: 2017-07-08 10:00 – Updated: 2024-08-05 17:57
VLAI
EPSS
VEX
Summary
Knot DNS before 2.4.5 and 2.5.x before 2.5.2 contains a flaw within the TSIG protocol implementation that would allow an attacker with a valid key name and algorithm to bypass TSIG authentication if no additional ACL restrictions are set, because of an improper TSIG validity period check.
Severity
5.9 (Medium)
CWE
- n/a
Assigner
References
9 references
| URL | Tags |
|---|---|
| http://www.debian.org/security/2017/dsa-3910 | vendor-advisoryx_refsource_DEBIAN |
| http://www.securityfocus.com/bid/99598 | vdb-entryx_refsource_BID |
| https://bugs.debian.org/865678 | x_refsource_MISC |
| http://www.synacktiv.ninja/ressources/Knot_DNS_TS… | x_refsource_MISC |
| https://lists.nic.cz/pipermail/knot-dns-users/201… | x_refsource_MISC |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
Date Public
2017-07-08 00:00
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"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00089.html"
},
{
"source": "cve@mitre.org",
"tags": [
"Broken Link"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00049.html"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "http://www.debian.org/security/2017/dsa-3910"
},
{
"source": "cve@mitre.org",
"tags": [
"Broken Link"
],
"url": "http://www.securityfocus.com/bid/99598"
},
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Mitigation",
"Patch",
"Third Party Advisory"
],
"url": "http://www.synacktiv.ninja/ressources/Knot_DNS_TSIG_Signature_Forgery.pdf"
},
{
"source": "cve@mitre.org",
"tags": [
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://bugs.debian.org/865678"
},
{
"source": "cve@mitre.org",
"tags": [
"Broken Link",
"Mailing List",
"Patch",
"Third Party Advisory"
],
"url": "https://lists.nic.cz/pipermail/knot-dns-users/2017-June/001144.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00076.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00078.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00089.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00049.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "http://www.debian.org/security/2017/dsa-3910"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link"
],
"url": "http://www.securityfocus.com/bid/99598"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Mitigation",
"Patch",
"Third Party Advisory"
],
"url": "http://www.synacktiv.ninja/ressources/Knot_DNS_TSIG_Signature_Forgery.pdf"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://bugs.debian.org/865678"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link",
"Mailing List",
"Patch",
"Third Party Advisory"
],
"url": "https://lists.nic.cz/pipermail/knot-dns-users/2017-June/001144.html"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-20"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2025-11-21T17:15:39+00:00",
"cve": "CVE-2017-11104",
"id": "CVE-2017-11104",
"initial_release_date": "2017-06-23T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "knot: TSIG authentication bypass due to improper TSIG validity period check",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2017/cve-2017-11104.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2025-04-20T23:24:06Z",
"cve": "CVE-2017-11104",
"id": "CVE-2017-11104",
"initial_release_date": "2023-02-15T04:43:17Z",
"product_status:recommended": "4",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2017-11104",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2017-11104.json",
"version": "8"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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