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CVE-2017-7522 (GCVE-0-2017-7522)
Vulnerability from cvelistv5 – Published: 2017-06-27 13:00 – Updated: 2024-08-05 16:04
VLAI?
EPSS
Summary
OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to denial-of-service by authenticated remote attacker via sending a certificate with an embedded NULL character.
Severity ?
No CVSS data available.
CWE
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| OpenVPN Technologies, Inc | OpenVPN |
Affected:
before 2.4.3
Affected: before 2.3.17 |
Date Public ?
2017-06-21 00:00
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GSD-2017-7522
Vulnerability from gsd - Updated: 2023-12-13 01:21Details
OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to denial-of-service by authenticated remote attacker via sending a certificate with an embedded NULL character.
Aliases
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OPENSUSE-SU-2024:11128-1
Vulnerability from csaf_opensuse - Published: 2024-06-15 00:00 - Updated: 2024-06-15 00:00Summary
openvpn-2.5.3-1.2 on GA media
Severity
Moderate
Notes
Title of the patch: openvpn-2.5.3-1.2 on GA media
Description of the patch: These are all security issues fixed in the openvpn-2.5.3-1.2 package on the GA media of openSUSE Tumbleweed.
Patchnames: openSUSE-Tumbleweed-2024-11128
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
Vendor Fix
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Vendor Fix
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Vendor Fix
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Vendor Fix
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
10 (Critical)
Vendor Fix
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
7.5 (High)
Vendor Fix
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
6.5 (Medium)
Vendor Fix
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
5.5 (Medium)
Vendor Fix
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Vendor Fix
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
5.3 (Medium)
Vendor Fix
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
References
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"category": "external",
"summary": "CVE-2006-1629",
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{
"category": "external",
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{
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"text": "OpenVPN versions before 2.3.3 and 2.4.x before 2.4.4 are vulnerable to a buffer overflow vulnerability when key-method 1 is used, possibly resulting in code execution.",
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"url": "https://www.suse.com/security/cve/CVE-2017-7522"
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{
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"url": "https://bugzilla.suse.com/1044947"
}
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{
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},
{
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{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2018-9336"
}
],
"notes": [
{
"category": "general",
"text": "openvpnserv.exe (aka the interactive service helper) in OpenVPN 2.4.x before 2.4.6 allows a local attacker to cause a double-free of memory by sending a malformed request to the interactive service. This could cause a denial-of-service through memory corruption or possibly have unspecified other impact including privilege escalation.",
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]
}
CNVD-2017-14887
Vulnerability from cnvd - Published: 2017-07-17
VLAI Severity ?
Title
OpenVPN拒绝服务漏洞(CNVD-2017-14887)
Description
OpenVPN是美国OpenVPN公司的一个用于创建虚拟专用网络(VPN)加密通道的软件包,它使用OpenSSL库来加密数据与控制信息,并允许创建的VPN使用公开密钥、电子证书或者用户名/密码来进行身份验证。
OpenVPN 2.4.3之前的版本和2.3.17之前的版本中存在拒绝服务漏洞。攻击者可利用该漏洞造成拒绝服务。
Severity
中
Patch Name
OpenVPN拒绝服务漏洞(CNVD-2017-14887)的补丁
Patch Description
OpenVPN是美国OpenVPN公司的一个用于创建虚拟专用网络(VPN)加密通道的软件包,它使用OpenSSL库来加密数据与控制信息,并允许创建的VPN使用公开密钥、电子证书或者用户名/密码来进行身份验证。
OpenVPN 2.4.3之前的版本和2.3.17之前的版本中存在拒绝服务漏洞。攻击者可利用该漏洞造成拒绝服务。 目前,供应商发布了安全公告及相关补丁信息,修复了此漏洞。
Formal description
目前厂商已发布升级补丁以修复漏洞,补丁获取链接: https://github.com/OpenVPN/openvpn/commit/426392940c
Reference
http://securityaffairs.co/wordpress/60341/hacking/openvpn-flaws.html
http://www.securityfocus.com/bid/99230
Impacted products
| Name | ['OpenVPN Openvpn <2.4.3', 'OpenVPN Openvpn 2.3.17'] |
|---|
{
"bids": {
"bid": {
"bidNumber": "99230"
}
},
"cves": {
"cve": {
"cveNumber": "CVE-2017-7522"
}
},
"description": "OpenVPN\u662f\u7f8e\u56fdOpenVPN\u516c\u53f8\u7684\u4e00\u4e2a\u7528\u4e8e\u521b\u5efa\u865a\u62df\u4e13\u7528\u7f51\u7edc\uff08VPN\uff09\u52a0\u5bc6\u901a\u9053\u7684\u8f6f\u4ef6\u5305\uff0c\u5b83\u4f7f\u7528OpenSSL\u5e93\u6765\u52a0\u5bc6\u6570\u636e\u4e0e\u63a7\u5236\u4fe1\u606f\uff0c\u5e76\u5141\u8bb8\u521b\u5efa\u7684VPN\u4f7f\u7528\u516c\u5f00\u5bc6\u94a5\u3001\u7535\u5b50\u8bc1\u4e66\u6216\u8005\u7528\u6237\u540d/\u5bc6\u7801\u6765\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u3002\r\n\r\nOpenVPN 2.4.3\u4e4b\u524d\u7684\u7248\u672c\u548c2.3.17\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
"discovererName": "Guido Vranken",
"formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://github.com/OpenVPN/openvpn/commit/426392940c",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2017-14887",
"openTime": "2017-07-17",
"patchDescription": "OpenVPN\u662f\u7f8e\u56fdOpenVPN\u516c\u53f8\u7684\u4e00\u4e2a\u7528\u4e8e\u521b\u5efa\u865a\u62df\u4e13\u7528\u7f51\u7edc\uff08VPN\uff09\u52a0\u5bc6\u901a\u9053\u7684\u8f6f\u4ef6\u5305\uff0c\u5b83\u4f7f\u7528OpenSSL\u5e93\u6765\u52a0\u5bc6\u6570\u636e\u4e0e\u63a7\u5236\u4fe1\u606f\uff0c\u5e76\u5141\u8bb8\u521b\u5efa\u7684VPN\u4f7f\u7528\u516c\u5f00\u5bc6\u94a5\u3001\u7535\u5b50\u8bc1\u4e66\u6216\u8005\u7528\u6237\u540d/\u5bc6\u7801\u6765\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u3002\r\n\r\nOpenVPN 2.4.3\u4e4b\u524d\u7684\u7248\u672c\u548c2.3.17\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002 \u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
"patchName": "OpenVPN\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2017-14887\uff09\u7684\u8865\u4e01",
"products": {
"product": [
"OpenVPN Openvpn \u003c2.4.3",
"OpenVPN Openvpn 2.3.17"
]
},
"referenceLink": "http://securityaffairs.co/wordpress/60341/hacking/openvpn-flaws.html\r\nhttp://www.securityfocus.com/bid/99230",
"serverity": "\u4e2d",
"submitTime": "2017-06-26",
"title": "OpenVPN\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2017-14887\uff09"
}
GHSA-C6PR-P5HF-W49P
Vulnerability from github – Published: 2022-05-17 02:35 – Updated: 2022-05-17 02:35
VLAI?
Details
OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to denial-of-service by authenticated remote attacker via sending a certificate with an embedded NULL character.
Severity ?
6.5 (Medium)
{
"affected": [],
"aliases": [
"CVE-2017-7522"
],
"database_specific": {
"cwe_ids": [
"CWE-20",
"CWE-476"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2017-06-27T13:29:00Z",
"severity": "MODERATE"
},
"details": "OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to denial-of-service by authenticated remote attacker via sending a certificate with an embedded NULL character.",
"id": "GHSA-c6pr-p5hf-w49p",
"modified": "2022-05-17T02:35:50Z",
"published": "2022-05-17T02:35:50Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2017-7522"
},
{
"type": "WEB",
"url": "https://community.openvpn.net/openvpn/wiki/VulnerabilitiesFixedInOpenVPN243"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/99230"
},
{
"type": "WEB",
"url": "http://www.securitytracker.com/id/1038768"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
FKIE_CVE-2017-7522
Vulnerability from fkie_nvd - Published: 2017-06-27 13:29 - Updated: 2025-04-20 01:37
Severity ?
Summary
OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to denial-of-service by authenticated remote attacker via sending a certificate with an embedded NULL character.
References
| URL | Tags | ||
|---|---|---|---|
| secalert@redhat.com | http://www.securityfocus.com/bid/99230 | Third Party Advisory, VDB Entry | |
| secalert@redhat.com | http://www.securitytracker.com/id/1038768 | ||
| secalert@redhat.com | https://community.openvpn.net/openvpn/wiki/VulnerabilitiesFixedInOpenVPN243 | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.securityfocus.com/bid/99230 | Third Party Advisory, VDB Entry | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.securitytracker.com/id/1038768 | ||
| af854a3a-2127-422b-91ae-364da2661108 | https://community.openvpn.net/openvpn/wiki/VulnerabilitiesFixedInOpenVPN243 | Vendor Advisory |
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*",
"matchCriteriaId": "216840B9-FCDB-4921-BE12-2A1FA42F8FDE",
"versionEndIncluding": "2.3.16",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:openvpn:openvpn:2.4.0:*:*:*:*:*:*:*",
"matchCriteriaId": "84F5C67A-34A4-4C7E-BCA9-AF3E5FC70AF6",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:openvpn:openvpn:2.4.0:alpha2:*:*:*:*:*:*",
"matchCriteriaId": "A857CA88-60B0-4D34-87B6-770B67981501",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:openvpn:openvpn:2.4.0:beta1:*:*:*:*:*:*",
"matchCriteriaId": "B42297EE-B347-4BD8-A657-BDF0AA010C06",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:openvpn:openvpn:2.4.0:beta2:*:*:*:*:*:*",
"matchCriteriaId": "7C7A56E8-09C8-4DB2-9244-9E5E2BEC1821",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:openvpn:openvpn:2.4.0:rc1:*:*:*:*:*:*",
"matchCriteriaId": "41ACD637-EF6B-40E4-BDE6-0EE7D6AEBAD4",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:openvpn:openvpn:2.4.0:rc2:*:*:*:*:*:*",
"matchCriteriaId": "1A4150AD-3F46-487D-BCF8-79D0AE2A092D",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:openvpn:openvpn:2.4.1:*:*:*:*:*:*:*",
"matchCriteriaId": "E7F7663E-3EB5-44F4-B7DE-294A549A12BE",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:openvpn:openvpn:2.4.2:*:*:*:*:*:*:*",
"matchCriteriaId": "81434C3E-F992-4F29-9092-6823989B6909",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to denial-of-service by authenticated remote attacker via sending a certificate with an embedded NULL character."
},
{
"lang": "es",
"value": "Las versiones de OpenVPN anteriores a 2.4.3 y 2.3.17, son vulnerables a una denegaci\u00f3n de servicio por parte de un atacante remoto autenticado mediante el env\u00edo de un certificado con un car\u00e1cter NULL insertado."
}
],
"id": "CVE-2017-7522",
"lastModified": "2025-04-20T01:37:25.860",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV30": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.0"
},
"exploitabilityScore": 2.8,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2017-06-27T13:29:00.273",
"references": [
{
"source": "secalert@redhat.com",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "http://www.securityfocus.com/bid/99230"
},
{
"source": "secalert@redhat.com",
"url": "http://www.securitytracker.com/id/1038768"
},
{
"source": "secalert@redhat.com",
"tags": [
"Vendor Advisory"
],
"url": "https://community.openvpn.net/openvpn/wiki/VulnerabilitiesFixedInOpenVPN243"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "http://www.securityfocus.com/bid/99230"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securitytracker.com/id/1038768"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://community.openvpn.net/openvpn/wiki/VulnerabilitiesFixedInOpenVPN243"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-20"
}
],
"source": "secalert@redhat.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-476"
}
],
"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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