FKIE_CVE-2017-18922
Vulnerability from fkie_nvd - Published: 2020-06-30 11:15 - Updated: 2024-11-21 03:21
Severity ?
Summary
It was discovered that websockets.c in LibVNCServer prior to 0.9.12 did not properly decode certain WebSocket frames. A malicious attacker could exploit this by sending specially crafted WebSocket frames to a server, causing a heap-based buffer overflow.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| libvncserver_project | libvncserver | * | |
| canonical | ubuntu_linux | 16.04 | |
| canonical | ubuntu_linux | 18.04 | |
| canonical | ubuntu_linux | 19.10 | |
| canonical | ubuntu_linux | 20.04 | |
| opensuse | leap | 15.1 | |
| opensuse | leap | 15.2 | |
| fedoraproject | fedora | 31 | |
| fedoraproject | fedora | 32 | |
| siemens | simatic_itc1500_firmware | * | |
| siemens | simatic_itc1500 | - | |
| siemens | simatic_itc1500_pro_firmware | * | |
| siemens | simatic_itc1500_pro | - | |
| siemens | simatic_itc1900_firmware | * | |
| siemens | simatic_itc1900 | - | |
| siemens | simatic_itc1900_pro_firmware | * | |
| siemens | simatic_itc1900_pro | - | |
| siemens | simatic_itc2200_firmware | * | |
| siemens | simatic_itc2200 | - | |
| siemens | simatic_itc2200_pro_firmware | * | |
| siemens | simatic_itc2200_pro | - |
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:libvncserver_project:libvncserver:*:*:*:*:*:*:*:*",
"matchCriteriaId": "8A3F7478-C54D-43A6-85A5-5AB59D446D75",
"versionEndExcluding": "0.9.12",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
"matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
"matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*",
"matchCriteriaId": "A31C8344-3E02-4EB8-8BD8-4C84B7959624",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*",
"matchCriteriaId": "902B8056-9E37-443B-8905-8AA93E2447FB",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*",
"matchCriteriaId": "B620311B-34A3-48A6-82DF-6F078D7A4493",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*",
"matchCriteriaId": "B009C22E-30A4-4288-BCF6-C3E81DEAF45A",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*",
"matchCriteriaId": "80F0FA5D-8D3B-4C0E-81E2-87998286AF33",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*",
"matchCriteriaId": "36D96259-24BD-44E2-96D9-78CE1D41F956",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:siemens:simatic_itc1500_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "3A664216-EEA0-423F-8E11-59C746FDEEFE",
"versionEndExcluding": "3.2.1.0",
"versionStartIncluding": "3.0.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:siemens:simatic_itc1500:-:*:*:*:*:*:*:*",
"matchCriteriaId": "9596C8CD-B03F-4E9D-82AB-0986FDD1B47C",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:siemens:simatic_itc1500_pro_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "CD78291E-48D8-4718-AE14-BDF93BD557D7",
"versionEndExcluding": "3.2.1.0",
"versionStartIncluding": "3.0.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:siemens:simatic_itc1500_pro:-:*:*:*:*:*:*:*",
"matchCriteriaId": "5BB898D3-07A3-42A1-8F1B-53C3B005982D",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:siemens:simatic_itc1900_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "AD1209DE-2724-493D-8276-1BE959BFE6BF",
"versionEndExcluding": "3.2.1.0",
"versionStartIncluding": "3.0.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:siemens:simatic_itc1900:-:*:*:*:*:*:*:*",
"matchCriteriaId": "6A9143A6-A93A-45CA-8A1F-6EE30647B54A",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:siemens:simatic_itc1900_pro_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "92F7FC17-F19F-4BD6-9704-49B67D22B532",
"versionEndExcluding": "3.2.1.0",
"versionStartIncluding": "3.0.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:siemens:simatic_itc1900_pro:-:*:*:*:*:*:*:*",
"matchCriteriaId": "3D34BD13-4E71-48A2-851D-AE7CE2A03C28",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:siemens:simatic_itc2200_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "FE4A6F13-385B-4A13-B8D8-3BBC4E9D5B67",
"versionEndExcluding": "3.2.1.0",
"versionStartIncluding": "3.0.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:siemens:simatic_itc2200:-:*:*:*:*:*:*:*",
"matchCriteriaId": "3E63E423-7450-4043-B33B-3FFF5BBE1CB2",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:siemens:simatic_itc2200_pro_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "71A51CA4-1A62-47BC-99A3-4DC9F3986FF5",
"versionEndExcluding": "3.2.1.0",
"versionStartIncluding": "3.0.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:siemens:simatic_itc2200_pro:-:*:*:*:*:*:*:*",
"matchCriteriaId": "CD278558-AB0E-4FC1-9E5B-6B57D29CB86A",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "It was discovered that websockets.c in LibVNCServer prior to 0.9.12 did not properly decode certain WebSocket frames. A malicious attacker could exploit this by sending specially crafted WebSocket frames to a server, causing a heap-based buffer overflow."
},
{
"lang": "es",
"value": "Se detect\u00f3 que el archivo websockets.c en LibVNCServer versiones anteriores a 0.9.12, no decodificaba apropiadamente determinados tramas de WebSocket. Un atacante malicioso podr\u00eda explotar esto mediante el env\u00edo de tramas de WebSocket especialmente dise\u00f1adas hacia un servidor, causando un desbordamiento del b\u00fafer en la regi\u00f3n heap de la memoria"
}
],
"id": "CVE-2017-18922",
"lastModified": "2024-11-21T03:21:16.067",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 7.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"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"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2020-06-30T11:15:10.380",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00020.html"
},
{
"source": "cve@mitre.org",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00028.html"
},
{
"source": "cve@mitre.org",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html"
},
{
"source": "cve@mitre.org",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html"
},
{
"source": "cve@mitre.org",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html"
},
{
"source": "cve@mitre.org",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://www.openwall.com/lists/oss-security/2020/06/30/3"
},
{
"source": "cve@mitre.org",
"tags": [
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1852356"
},
{
"source": "cve@mitre.org",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf"
},
{
"source": "cve@mitre.org",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/LibVNC/libvncserver/commit/aac95a9dcf4bbba87b76c72706c3221a842ca433"
},
{
"source": "cve@mitre.org",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4F6FUH4EFK4NAP6GT4TQRTBKWIRCZLIY/"
},
{
"source": "cve@mitre.org",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NVP7TJVYJDXDFRHVQ3ENEN3H354QPXEZ/"
},
{
"source": "cve@mitre.org",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://usn.ubuntu.com/4407-1/"
},
{
"source": "cve@mitre.org",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://www.openwall.com/lists/oss-security/2020/06/30/2"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00020.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00028.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://www.openwall.com/lists/oss-security/2020/06/30/3"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1852356"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/LibVNC/libvncserver/commit/aac95a9dcf4bbba87b76c72706c3221a842ca433"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4F6FUH4EFK4NAP6GT4TQRTBKWIRCZLIY/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NVP7TJVYJDXDFRHVQ3ENEN3H354QPXEZ/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://usn.ubuntu.com/4407-1/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://www.openwall.com/lists/oss-security/2020/06/30/2"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-787"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
Loading…
Loading…
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.
Loading…
Loading…