gsd-2017-18922
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
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.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2017-18922",
"description": "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.",
"id": "GSD-2017-18922",
"references": [
"https://www.suse.com/security/cve/CVE-2017-18922.html",
"https://access.redhat.com/errata/RHSA-2020:3588",
"https://access.redhat.com/errata/RHSA-2020:3456",
"https://access.redhat.com/errata/RHSA-2020:3385",
"https://access.redhat.com/errata/RHSA-2020:3281",
"https://ubuntu.com/security/CVE-2017-18922",
"https://linux.oracle.com/cve/CVE-2017-18922.html"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2017-18922"
],
"details": "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.",
"id": "GSD-2017-18922",
"modified": "2023-12-13T01:21:10.824045Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2017-18922",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "n/a",
"version": {
"version_data": [
{
"version_value": "n/a"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"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."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://github.com/LibVNC/libvncserver/commit/aac95a9dcf4bbba87b76c72706c3221a842ca433",
"refsource": "MISC",
"url": "https://github.com/LibVNC/libvncserver/commit/aac95a9dcf4bbba87b76c72706c3221a842ca433"
},
{
"name": "https://www.openwall.com/lists/oss-security/2020/06/30/2",
"refsource": "MISC",
"url": "https://www.openwall.com/lists/oss-security/2020/06/30/2"
},
{
"name": "https://bugzilla.redhat.com/show_bug.cgi?id=1852356",
"refsource": "MISC",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1852356"
},
{
"name": "[oss-security] 20200630 Re: libvncserver: old websocket decoding patch",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2020/06/30/3"
},
{
"name": "openSUSE-SU-2020:0960",
"refsource": "SUSE",
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00020.html"
},
{
"name": "FEDORA-2020-37112ac660",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NVP7TJVYJDXDFRHVQ3ENEN3H354QPXEZ/"
},
{
"name": "USN-4407-1",
"refsource": "UBUNTU",
"url": "https://usn.ubuntu.com/4407-1/"
},
{
"name": "FEDORA-2020-1a4b1c8271",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4F6FUH4EFK4NAP6GT4TQRTBKWIRCZLIY/"
},
{
"name": "openSUSE-SU-2020:0978",
"refsource": "SUSE",
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00028.html"
},
{
"name": "openSUSE-SU-2020:0988",
"refsource": "SUSE",
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html"
},
{
"name": "openSUSE-SU-2020:1025",
"refsource": "SUSE",
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html"
},
{
"name": "openSUSE-SU-2020:1056",
"refsource": "SUSE",
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html"
},
{
"name": "https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf",
"refsource": "CONFIRM",
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf"
}
]
}
},
"nvd.nist.gov": {
"configurations": {
"CVE_data_version": "4.0",
"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:libvncserver_project:libvncserver:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "0.9.12",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
"cpe_name": [],
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
"cpe_name": [],
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*",
"cpe_name": [],
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:siemens:simatic_itc1500_firmware:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "3.2.1.0",
"versionStartIncluding": "3.0.0.0",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:h:siemens:simatic_itc1500:-:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": false
}
],
"operator": "OR"
}
],
"cpe_match": [],
"operator": "AND"
},
{
"children": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:siemens:simatic_itc1500_pro_firmware:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "3.2.1.0",
"versionStartIncluding": "3.0.0.0",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:h:siemens:simatic_itc1500_pro:-:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": false
}
],
"operator": "OR"
}
],
"cpe_match": [],
"operator": "AND"
},
{
"children": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:siemens:simatic_itc1900_firmware:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "3.2.1.0",
"versionStartIncluding": "3.0.0.0",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:h:siemens:simatic_itc1900:-:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": false
}
],
"operator": "OR"
}
],
"cpe_match": [],
"operator": "AND"
},
{
"children": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:siemens:simatic_itc1900_pro_firmware:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "3.2.1.0",
"versionStartIncluding": "3.0.0.0",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:h:siemens:simatic_itc1900_pro:-:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": false
}
],
"operator": "OR"
}
],
"cpe_match": [],
"operator": "AND"
},
{
"children": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:siemens:simatic_itc2200_firmware:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "3.2.1.0",
"versionStartIncluding": "3.0.0.0",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:h:siemens:simatic_itc2200:-:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": false
}
],
"operator": "OR"
}
],
"cpe_match": [],
"operator": "AND"
},
{
"children": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:siemens:simatic_itc2200_pro_firmware:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "3.2.1.0",
"versionStartIncluding": "3.0.0.0",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:h:siemens:simatic_itc2200_pro:-:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": false
}
],
"operator": "OR"
}
],
"cpe_match": [],
"operator": "AND"
}
]
},
"cve": {
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2017-18922"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"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."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "en",
"value": "CWE-787"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://github.com/LibVNC/libvncserver/commit/aac95a9dcf4bbba87b76c72706c3221a842ca433",
"refsource": "MISC",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/LibVNC/libvncserver/commit/aac95a9dcf4bbba87b76c72706c3221a842ca433"
},
{
"name": "https://www.openwall.com/lists/oss-security/2020/06/30/2",
"refsource": "MISC",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://www.openwall.com/lists/oss-security/2020/06/30/2"
},
{
"name": "https://bugzilla.redhat.com/show_bug.cgi?id=1852356",
"refsource": "MISC",
"tags": [
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1852356"
},
{
"name": "[oss-security] 20200630 Re: libvncserver: old websocket decoding patch",
"refsource": "MLIST",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://www.openwall.com/lists/oss-security/2020/06/30/3"
},
{
"name": "openSUSE-SU-2020:0960",
"refsource": "SUSE",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00020.html"
},
{
"name": "FEDORA-2020-37112ac660",
"refsource": "FEDORA",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NVP7TJVYJDXDFRHVQ3ENEN3H354QPXEZ/"
},
{
"name": "USN-4407-1",
"refsource": "UBUNTU",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://usn.ubuntu.com/4407-1/"
},
{
"name": "FEDORA-2020-1a4b1c8271",
"refsource": "FEDORA",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4F6FUH4EFK4NAP6GT4TQRTBKWIRCZLIY/"
},
{
"name": "openSUSE-SU-2020:0978",
"refsource": "SUSE",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00028.html"
},
{
"name": "openSUSE-SU-2020:0988",
"refsource": "SUSE",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html"
},
{
"name": "openSUSE-SU-2020:1025",
"refsource": "SUSE",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html"
},
{
"name": "openSUSE-SU-2020:1056",
"refsource": "SUSE",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html"
},
{
"name": "https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf",
"refsource": "CONFIRM",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"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,
"severity": "HIGH",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"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
}
},
"lastModifiedDate": "2022-04-01T18:08Z",
"publishedDate": "2020-06-30T11:15Z"
}
}
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
Loading…
Loading…