FKIE_CVE-2018-20103
Vulnerability from fkie_nvd - Published: 2018-12-12 17:29 - Updated: 2024-11-21 04:00
Severity ?
Summary
An issue was discovered in dns.c in HAProxy through 1.8.14. In the case of a compressed pointer, a crafted packet can trigger infinite recursion by making the pointer point to itself, or create a long chain of valid pointers resulting in stack exhaustion.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| haproxy | haproxy | * | |
| canonical | ubuntu_linux | 16.04 | |
| canonical | ubuntu_linux | 18.04 | |
| canonical | ubuntu_linux | 18.10 | |
| redhat | openshift_container_platform | 3.11 |
{
"configurations": [
{
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"matchCriteriaId": "F4F0D169-E661-44C6-98E7-AA40B01D3706",
"versionEndIncluding": "1.8.14",
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}
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"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "An issue was discovered in dns.c in HAProxy through 1.8.14. In the case of a compressed pointer, a crafted packet can trigger infinite recursion by making the pointer point to itself, or create a long chain of valid pointers resulting in stack exhaustion."
},
{
"lang": "es",
"value": "Se ha descubierto un problema en dns.c en HAProxy hasta la versi\u00f3n 1.8.14. En el caso de un puntero comprimido, un paquete manipulado puede desencadenar una recursi\u00f3n infinita haciendo que el puntero se se\u00f1ale a s\u00ed mismo o cree una cadena larga de punteros v\u00e1lidos, lo que resulta en el agotamiento de la pila."
}
],
"id": "CVE-2018-20103",
"lastModified": "2024-11-21T04:00:53.080",
"metrics": {
"cvssMetricV2": [
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"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
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"attackVector": "NETWORK",
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"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",
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},
"published": "2018-12-12T17:29:00.293",
"references": [
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"source": "cve@mitre.org",
"url": "http://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=58df5aea0a0c926b2238f65908f5e9f83d1cca25"
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"tags": [
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{
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"url": "https://access.redhat.com/errata/RHBA-2019:0326"
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{
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"url": "https://lists.debian.org/debian-lts-announce/2022/05/msg00045.html"
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"url": "https://usn.ubuntu.com/3858-1/"
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{
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"url": "http://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=58df5aea0a0c926b2238f65908f5e9f83d1cca25"
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{
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"url": "https://usn.ubuntu.com/3858-1/"
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],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-835"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
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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