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CERTFR-2017-AVI-329
Vulnerability from certfr_avis
De multiples vulnérabilités ont été découvertes dans Dnsmasq . Elles permettent à un attaquant de provoquer une exécution de code arbitraire à distance, un déni de service à distance et une atteinte à la confidentialité des données.
Solution
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
NoneReferences
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Dnsmasq versions ant\u00e9rieures \u00e0 2.78",
"product": {
"name": "N/A",
"vendor": {
"name": "N/A",
"scada": false
}
}
}
],
"affected_systems_content": null,
"content": "## Solution\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des\ncorrectifs (cf. section Documentation).\n",
"cves": [
{
"name": "CVE-2017-14491",
"url": "https://www.cve.org/CVERecord?id=CVE-2017-14491"
},
{
"name": "CVE-2017-14494",
"url": "https://www.cve.org/CVERecord?id=CVE-2017-14494"
},
{
"name": "CVE-2017-14496",
"url": "https://www.cve.org/CVERecord?id=CVE-2017-14496"
},
{
"name": "CVE-2017-14493",
"url": "https://www.cve.org/CVERecord?id=CVE-2017-14493"
},
{
"name": "CVE-2017-13704",
"url": "https://www.cve.org/CVERecord?id=CVE-2017-13704"
},
{
"name": "CVE-2017-14492",
"url": "https://www.cve.org/CVERecord?id=CVE-2017-14492"
},
{
"name": "CVE-2017-14495",
"url": "https://www.cve.org/CVERecord?id=CVE-2017-14495"
}
],
"initial_release_date": "2017-10-03T00:00:00",
"last_revision_date": "2017-10-03T00:00:00",
"links": [
{
"title": "Bulletin de s\u00e9curit\u00e9 RedHat RHSA-2017:2839 du 2 octobre 2017",
"url": "https://access.redhat.com/errata/RHSA-2017:2839"
},
{
"title": "Bulletin de s\u00e9curit\u00e9 Debian dsa-3989 du 2 octobre 2017",
"url": "https://www.debian.org/security/2017/dsa-3989"
},
{
"title": "Bulletin de s\u00e9curit\u00e9 SUSE suse-su-20172618-1 du 2 octobre 2017",
"url": "https://www.suse.com/support/update/announcement/2017/suse-su-20172618-1/"
},
{
"title": "Bulletin de s\u00e9curit\u00e9 SUSE suse-su-20172619-1 du 2 octobre 2017",
"url": "https://www.suse.com/support/update/announcement/2017/suse-su-20172619-1/"
},
{
"title": "Bulletin de s\u00e9curit\u00e9 RedHat RHSA-2017:2837 du 2 octobre 2017",
"url": "https://access.redhat.com/errata/RHSA-2017:2837"
},
{
"title": "Bulletin de s\u00e9curit\u00e9 RedHat RHSA-2017:2838 du 2 octobre 2017",
"url": "https://access.redhat.com/errata/RHSA-2017:2838"
},
{
"title": "Bulletin de s\u00e9curit\u00e9 SUSE suse-su-20172616-1 du 2 octobre 2017",
"url": "https://www.suse.com/support/update/announcement/2017/suse-su-20172616-1/"
},
{
"title": "Bulletin de s\u00e9curit\u00e9 RedHat RHSA-2017:2836 du 2 octobre 2017",
"url": "https://access.redhat.com/errata/RHSA-2017:2836"
},
{
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu usn-3430-1 du 2 octobre 2017",
"url": "https://usn.ubuntu.com/usn/usn-3430-1/"
},
{
"title": "Bulletin de s\u00e9curit\u00e9 SUSE suse-su-20172617-1 du 2 octobre 2017",
"url": "https://www.suse.com/support/update/announcement/2017/suse-su-20172617-1/"
},
{
"title": "Billet de blogue Google",
"url": "https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.html"
}
],
"reference": "CERTFR-2017-AVI-329",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2017-10-03T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
},
{
"description": "Ex\u00e9cution de code arbitraire \u00e0 distance"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Dnsmasq . Elles\npermettent \u00e0 un attaquant de provoquer une ex\u00e9cution de code arbitraire\n\u00e0 distance, un d\u00e9ni de service \u00e0 distance et une atteinte \u00e0 la\nconfidentialit\u00e9 des donn\u00e9es.\n",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans Dnsmasq",
"vendor_advisories": [
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Dnsmasq du 2 octobre 2017",
"url": "http://www.thekelleys.org.uk/dnsmasq/CHANGELOG"
}
]
}
CVE-2017-14495 (GCVE-0-2017-14495)
Vulnerability from cvelistv5
Published
2017-10-02 21:00
Modified
2024-08-05 19:27
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
Memory leak 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 (memory consumption) via vectors involving DNS response creation.
References
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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{
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{
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{
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CVE-2017-14496 (GCVE-0-2017-14496)
Vulnerability from cvelistv5
Published
2017-10-02 21:00
Modified
2024-08-05 19:27
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
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
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CVE-2017-13704 (GCVE-0-2017-13704)
Vulnerability from cvelistv5
Published
2017-10-02 21:00
Modified
2024-08-05 19:05
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
In dnsmasq before 2.78, if the DNS packet size does not match the expected size, the size parameter in a memset call gets a negative value. As it is an unsigned value, memset ends up writing up to 0xffffffff zero's (0xffffffffffffffff in 64 bit platforms), making dnsmasq crash.
References
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CVE-2017-14493 (GCVE-0-2017-14493)
Vulnerability from cvelistv5
Published
2017-10-02 21:00
Modified
2024-08-05 19:27
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
Stack-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a crafted DHCPv6 request.
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CVE-2017-14494 (GCVE-0-2017-14494)
Vulnerability from cvelistv5
Published
2017-10-02 21:00
Modified
2024-08-05 19:27
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
dnsmasq before 2.78, when configured as a relay, allows remote attackers to obtain sensitive memory information via vectors involving handling DHCPv6 forwarded requests.
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2017-14492 (GCVE-0-2017-14492)
Vulnerability from cvelistv5
Published
2017-10-02 21:00
Modified
2024-08-05 19:27
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
Heap-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a crafted IPv6 router advertisement request.
References
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|
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CVE-2017-14491 (GCVE-0-2017-14491)
Vulnerability from cvelistv5
Published
2017-10-02 21:00
Modified
2024-08-05 19:27
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
Heap-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a crafted DNS response.
References
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}
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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.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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.
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