fkie_cve-2018-20020
Vulnerability from fkie_nvd
Published
2018-12-19 16:29
Modified
2024-11-21 04:00
Severity ?
Summary
LibVNC before commit 7b1ef0ffc4815cab9a96c7278394152bdc89dc4d contains heap out-of-bound write vulnerability inside structure in VNC client code that can result remote code execution
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| libvnc_project | libvncserver | * | |
| canonical | ubuntu_linux | 14.04 | |
| canonical | ubuntu_linux | 16.04 | |
| canonical | ubuntu_linux | 18.04 | |
| canonical | ubuntu_linux | 18.10 | |
| debian | debian_linux | 8.0 | |
| debian | debian_linux | 9.0 |
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:libvnc_project:libvncserver:*:*:*:*:*:*:*:*",
"matchCriteriaId": "DEF1BF44-78B8-44E3-9A5A-29AB8111322B",
"versionEndExcluding": "0.9.12",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
"matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084",
"vulnerable": true
},
{
"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:18.10:*:*:*:*:*:*:*",
"matchCriteriaId": "07C312A0-CD2C-4B9C-B064-6409B25C278F",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
"matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
"matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "LibVNC before commit 7b1ef0ffc4815cab9a96c7278394152bdc89dc4d contains heap out-of-bound write vulnerability inside structure in VNC client code that can result remote code execution"
},
{
"lang": "es",
"value": "LibVNC antes del commit con ID 7b1ef0ffc4815cab9a96c7278394152bdc89dc4d contiene una vulnerabilidad de escritura de memoria din\u00e1mica (heap) fuera de l\u00edmites en la estructura del c\u00f3digo del cliente VNC que puede resultar en la ejecuci\u00f3n remota de c\u00f3digo."
}
],
"id": "CVE-2018-20020",
"lastModified": "2024-11-21T04:00:46.163",
"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
}
],
"cvssMetricV30": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.0"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2018-12-19T16:29:00.373",
"references": [
{
"source": "vulnerability@kaspersky.com",
"tags": [
"Third Party Advisory"
],
"url": "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-030-libvnc-heap-out-of-bound-write/"
},
{
"source": "vulnerability@kaspersky.com",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://lists.debian.org/debian-lts-announce/2018/12/msg00017.html"
},
{
"source": "vulnerability@kaspersky.com",
"url": "https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html"
},
{
"source": "vulnerability@kaspersky.com",
"url": "https://lists.debian.org/debian-lts-announce/2019/11/msg00033.html"
},
{
"source": "vulnerability@kaspersky.com",
"url": "https://security.gentoo.org/glsa/201908-05"
},
{
"source": "vulnerability@kaspersky.com",
"url": "https://security.gentoo.org/glsa/202006-06"
},
{
"source": "vulnerability@kaspersky.com",
"tags": [
"Third Party Advisory"
],
"url": "https://usn.ubuntu.com/3877-1/"
},
{
"source": "vulnerability@kaspersky.com",
"url": "https://usn.ubuntu.com/4547-1/"
},
{
"source": "vulnerability@kaspersky.com",
"url": "https://usn.ubuntu.com/4547-2/"
},
{
"source": "vulnerability@kaspersky.com",
"url": "https://usn.ubuntu.com/4587-1/"
},
{
"source": "vulnerability@kaspersky.com",
"tags": [
"Third Party Advisory"
],
"url": "https://www.debian.org/security/2019/dsa-4383"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-030-libvnc-heap-out-of-bound-write/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://lists.debian.org/debian-lts-announce/2018/12/msg00017.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.debian.org/debian-lts-announce/2019/11/msg00033.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://security.gentoo.org/glsa/201908-05"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://security.gentoo.org/glsa/202006-06"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://usn.ubuntu.com/3877-1/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://usn.ubuntu.com/4547-1/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://usn.ubuntu.com/4547-2/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://usn.ubuntu.com/4587-1/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://www.debian.org/security/2019/dsa-4383"
}
],
"sourceIdentifier": "vulnerability@kaspersky.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-787"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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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.
- 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.
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