FKIE_CVE-2017-14496
Vulnerability from fkie_nvd - Published: 2017-10-03 01:29 - Updated: 2026-06-17 01:06
Severity
Summary
Integer underflow in the add_pseudoheader function in dnsmasq before 2.78 , when the --add-mac, --add-cpe-id or --add-subnet option is specified, allows remote attackers to cause a denial of service via a crafted DNS request.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| canonical | ubuntu_linux | 14.04 | |
| canonical | ubuntu_linux | 16.04 | |
| canonical | ubuntu_linux | 17.04 | |
| debian | debian_linux | 7.0 | |
| debian | debian_linux | 7.1 | |
| debian | debian_linux | 9.0 | |
| android | 4.4.4 | ||
| android | 5.0.2 | ||
| android | 5.1.1 | ||
| android | 6.0 | ||
| android | 6.0.1 | ||
| android | 7.0 | ||
| android | 7.1.1 | ||
| android | 7.1.2 | ||
| android | 8.0 | ||
| novell | leap | 42.2 | |
| novell | leap | 42.3 | |
| redhat | enterprise_linux_desktop | 7.0 | |
| redhat | enterprise_linux_server | 7.0 | |
| redhat | enterprise_linux_workstation | 7.0 | |
| thekelleys | dnsmasq | * |
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"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Integer underflow in the add_pseudoheader function in dnsmasq before 2.78 , when the --add-mac, --add-cpe-id or --add-subnet option is specified, allows remote attackers to cause a denial of service via a crafted DNS request."
},
{
"lang": "es",
"value": "Un desbordamiento inferior de enteros en las versiones anteriores a la 2.78 de dnsmasq, cuando est\u00e1n especificadas las opciones --add-mac, --add-cpe-id o --add-subnet, permite que los atacantes remotos provoquen una denegaci\u00f3n de servicio mediante una petici\u00f3n DNS manipulada."
}
],
"id": "CVE-2017-14496",
"lastModified": "2026-06-17T01:06:15.590",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 7.8,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 6.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
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"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.0"
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"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
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},
"published": "2017-10-03T01:29:02.200",
"references": [
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"tags": [
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"url": "http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00006.html"
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{
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{
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},
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"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-689071.pdf"
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"url": "https://security.gentoo.org/glsa/201710-27"
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"url": "https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.html"
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"url": "https://source.android.com/security/bulletin/2017-10-01"
},
{
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"tags": [
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},
{
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"url": "https://www.kb.cert.org/vuls/id/973527"
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{
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"url": "https://www.mail-archive.com/dnsmasq-discuss%40lists.thekelleys.org.uk/msg11664.html"
},
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"url": "https://www.mail-archive.com/dnsmasq-discuss%40lists.thekelleys.org.uk/msg11665.html"
},
{
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"url": "https://www.synology.com/support/security/Synology_SA_17_59_Dnsmasq"
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{
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"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-191"
}
],
"source": "nvd@nist.gov",
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}
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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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