CVE-2024-1305 (GCVE-0-2024-1305)
Vulnerability from cvelistv5 – Published: 2024-07-08 17:27 – Updated: 2024-08-23 03:55
VLAI
EPSS
VEX
Summary
tap-windows6 driver version 9.26 and earlier does not properly
check the size data of incomming write operations which an attacker can
use to overflow memory buffers, resulting in a bug check and potentially
arbitrary code execution in kernel space
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-08-21 00:00 UTC
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
Impacted products
4 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| OpenVPN | tap-windows6 |
Affected:
9.26 or earlier
|
guessed | |
| OpenVPN | OpenVPN-GUI |
Affected:
2.6.9 and earlier
|
guessed | |
| openvpn | openvpn_gui |
Affected:
0 , ≤ 2.6.9
(custom)
cpe:2.3:a:openvpn:openvpn_gui:*:*:*:*:*:*:*:* |
||
| openvpn | tap_windows6 |
Affected:
0 , ≤ 9.26
(custom)
cpe:2.3:a:openvpn:tap_windows6:*:*:*:*:*:*:*:* |
{
"containers": {
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"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
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"options": [
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}
],
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"timestamp": "2024-08-21T00:00:00+00:00",
"version": "2.0.3"
},
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}
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"providerMetadata": {
"dateUpdated": "2024-08-23T03:55:36.778Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2024-08-01T18:33:25.379Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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},
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{
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],
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},
{
"tags": [
"x_transferred"
],
"url": "https://www.mail-archive.com/openvpn-users@lists.sourceforge.net/msg07534.html"
}
],
"title": "CVE Program Container"
}
],
"cna": {
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{
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"platforms": [
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],
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"vendor": "OpenVPN",
"versions": [
{
"status": "affected",
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}
]
},
{
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"modules": [
"tap-windows6"
],
"platforms": [
"Windows"
],
"product": "OpenVPN-GUI",
"vendor": "OpenVPN",
"versions": [
{
"status": "affected",
"version": "2.6.9 and earlier"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "tap-windows6 driver version 9.26 and earlier does not properly \ncheck the size data of incomming write operations which an attacker can \nuse to overflow memory buffers, resulting in a bug check and potentially\n arbitrary code execution in kernel space"
}
],
"problemTypes": [
{
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"description": "Integer Overflow or Wraparound",
"lang": "en",
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},
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},
{
"url": "https://www.mail-archive.com/openvpn-users@lists.sourceforge.net/msg07534.html"
}
]
}
},
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"datePublished": "2024-07-08T17:27:44.097Z",
"dateReserved": "2024-02-07T13:22:25.493Z",
"dateUpdated": "2024-08-23T03:55:36.778Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
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"date": "2026-10-15",
"epss": "0.15379",
"percentile": "0.96744"
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"vendor": "OpenVPN",
"versions": [
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}
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},
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],
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],
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"version": "2.6.9 and earlier"
}
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},
{
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{
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],
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"product": "openvpn_gui",
"vendor": "openvpn",
"versions": [
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"version": "0",
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}
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},
{
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],
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"product": "tap_windows6",
"vendor": "openvpn",
"versions": [
{
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"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:openvpn:tap-windows6:*:*:*:*:*:*:*:*",
"matchCriteriaId": "1361B991-0259-40EC-89A2-06B591C84F5C",
"versionEndIncluding": "9.26.0",
"vulnerable": true
}
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"negate": false,
"operator": "OR"
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"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "tap-windows6 driver version 9.26 and earlier does not properly \ncheck the size data of incomming write operations which an attacker can \nuse to overflow memory buffers, resulting in a bug check and potentially\n arbitrary code execution in kernel space"
},
{
"lang": "es",
"value": "La versi\u00f3n 9.26 y anteriores del controlador tap-windows6 no verifica correctamente los datos de tama\u00f1o de las operaciones de escritura entrantes que un atacante puede usar para desbordar los b\u00fafers de memoria, lo que resulta en una verificaci\u00f3n de errores y la ejecuci\u00f3n de c\u00f3digo potencialmente arbitrario en el espacio del kernel."
}
],
"id": "CVE-2024-1305",
"lastModified": "2026-06-17T07:03:56.383",
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"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
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"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
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"timestamp": "2024-08-21T00:00:00+00:00",
"version": "2.0.3"
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"published": "2024-07-08T18:15:07.150",
"references": [
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"tags": [
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],
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},
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"url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-1305.json",
"version": "3"
},
"vulnrichment": {
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],
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"title": "CVE Program Container"
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{
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"cpe:2.3:a:openvpn:openvpn_gui:*:*:*:*:*:*:*:*"
],
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}
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"description": "Integer Overflow or Wraparound",
"lang": "en",
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"dateReserved": "2024-02-07T13:22:25.493Z",
"dateUpdated": "2024-08-23T03:55:36.778Z",
"state": "PUBLISHED"
},
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}
}
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| Author | Source | Type | Date | Other |
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Nomenclature
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
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They have not been verified by an analyst and are provided for guidance only.
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Browse all ATT&CK techniques and the vulnerabilities related to each.
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