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2 vulnerabilities by emdns
CVE-2023-50434 (GCVE-0-2023-50434)
Vulnerability from nvd – Published: 2024-04-29 00:00 – Updated: 2024-08-02 22:16
VLAI
EPSS
VEX
Summary
emdns_resolve_raw in emdns.c in emdns through fbd1eef calls strlen with an input that may not be '\0' terminated, leading to a stack-based buffer over-read. This can be triggered by a remote adversary that can send DNS requests to the emdns server. The impact could vary depending on the system libraries, compiler, and processor architecture. Code before be565c3 is unaffected.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-07-29 18:35 UTC
CWE
- n/a
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
1 reference
Impacted products
{
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{
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{
"cpes": [
"cpe:2.3:a:emdns:emdns.c:*:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "emdns.c",
"vendor": "emdns",
"versions": [
{
"lessThanOrEqual": "fbd1eef",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2023-50434",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-07-29T18:35:17.512077Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-121",
"description": "CWE-121 Stack-based Buffer Overflow",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-07-29T19:04:35.338Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2024-08-02T22:16:46.661Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
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],
"url": "https://papers.mathyvanhoef.com/esorics2024.pdf"
}
],
"title": "CVE Program Container"
}
],
"cna": {
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{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
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],
"descriptions": [
{
"lang": "en",
"value": "emdns_resolve_raw in emdns.c in emdns through fbd1eef calls strlen with an input that may not be \u0027\\0\u0027 terminated, leading to a stack-based buffer over-read. This can be triggered by a remote adversary that can send DNS requests to the emdns server. The impact could vary depending on the system libraries, compiler, and processor architecture. Code before be565c3 is unaffected."
}
],
"problemTypes": [
{
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],
"providerMetadata": {
"dateUpdated": "2024-04-29T21:35:38.473Z",
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"shortName": "mitre"
},
"references": [
{
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}
]
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2023-50434",
"datePublished": "2024-04-29T00:00:00.000Z",
"dateReserved": "2023-12-09T00:00:00.000Z",
"dateUpdated": "2024-08-02T22:16:46.661Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
CVE-2023-50434 (GCVE-0-2023-50434)
Vulnerability from cvelistv5 – Published: 2024-04-29 00:00 – Updated: 2024-08-02 22:16
VLAI
EPSS
VEX
Summary
emdns_resolve_raw in emdns.c in emdns through fbd1eef calls strlen with an input that may not be '\0' terminated, leading to a stack-based buffer over-read. This can be triggered by a remote adversary that can send DNS requests to the emdns server. The impact could vary depending on the system libraries, compiler, and processor architecture. Code before be565c3 is unaffected.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-07-29 18:35 UTC
CWE
- n/a
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
1 reference
Impacted products
{
"containers": {
"adp": [
{
"affected": [
{
"cpes": [
"cpe:2.3:a:emdns:emdns.c:*:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "emdns.c",
"vendor": "emdns",
"versions": [
{
"lessThanOrEqual": "fbd1eef",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2023-50434",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-07-29T18:35:17.512077Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-121",
"description": "CWE-121 Stack-based Buffer Overflow",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-07-29T19:04:35.338Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2024-08-02T22:16:46.661Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://papers.mathyvanhoef.com/esorics2024.pdf"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "emdns_resolve_raw in emdns.c in emdns through fbd1eef calls strlen with an input that may not be \u0027\\0\u0027 terminated, leading to a stack-based buffer over-read. This can be triggered by a remote adversary that can send DNS requests to the emdns server. The impact could vary depending on the system libraries, compiler, and processor architecture. Code before be565c3 is unaffected."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "n/a",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-04-29T21:35:38.473Z",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
},
"references": [
{
"url": "https://papers.mathyvanhoef.com/esorics2024.pdf"
}
]
}
},
"cveMetadata": {
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"assignerShortName": "mitre",
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"datePublished": "2024-04-29T00:00:00.000Z",
"dateReserved": "2023-12-09T00:00:00.000Z",
"dateUpdated": "2024-08-02T22:16:46.661Z",
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