CVE-2018-15127 (GCVE-0-2018-15127)
Vulnerability from cvelistv5 – Published: 2018-12-19 16:00 – Updated: 2024-08-05 09:46
VLAI
EPSS
VEX
Summary
LibVNC before commit 502821828ed00b4a2c4bef90683d0fd88ce495de contains heap out-of-bound write vulnerability in server code of file transfer extension that can result remote code execution
Severity
9.8 (Critical)
CWE
- Heap Out-of-Bound write
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://www.debian.org/security/2019/dsa-4383 | vendor-advisoryx_refsource_DEBIAN |
| https://lists.debian.org/debian-lts-announce/2018… | mailing-listx_refsource_MLIST |
| https://ics-cert.kaspersky.com/advisories/klcert-… | x_refsource_MISC |
| https://usn.ubuntu.com/3877-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://access.redhat.com/errata/RHSA-2019:0059 | vendor-advisoryx_refsource_REDHAT |
| https://lists.debian.org/debian-lts-announce/2019… | mailing-listx_refsource_MLIST |
| https://usn.ubuntu.com/4547-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://usn.ubuntu.com/4587-1/ | vendor-advisoryx_refsource_UBUNTU |
Impacted products
Date Public
2018-12-19 00:00
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],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "LibVNC before commit 502821828ed00b4a2c4bef90683d0fd88ce495de contains heap out-of-bound write vulnerability in server code of file transfer extension that can result remote code execution"
},
{
"lang": "es",
"value": "LibVNC antes del commit con ID 502821828ed00b4a2c4bef90683d0fd88ce495de contiene una vulnerabilidad de escritura de memoria din\u00e1mica (heap) fuera de l\u00edmites en el c\u00f3digo del servidor de la extensi\u00f3n de transferencia de archivos que puede resultar en la ejecuci\u00f3n remota de c\u00f3digo."
}
],
"id": "CVE-2018-15127",
"lastModified": "2024-11-21T03:50:21.803",
"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": "2018-12-19T16:29:00.297",
"references": [
{
"source": "vulnerability@kaspersky.com",
"tags": [
"Third Party Advisory"
],
"url": "https://access.redhat.com/errata/RHSA-2019:0059"
},
{
"source": "vulnerability@kaspersky.com",
"tags": [
"Third Party Advisory"
],
"url": "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-028-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",
"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/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://access.redhat.com/errata/RHSA-2019:0059"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-028-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",
"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/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"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Important",
"current_release_date": "2025-11-21T16:46:18+00:00",
"cve": "CVE-2018-15127",
"id": "CVE-2018-15127",
"initial_release_date": "2018-12-19T00:00:00+00:00",
"product_status:fixed": "104",
"product_status:known_affected": "3",
"product_status:known_not_affected": "3",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "libvncserver: Heap out-of-bounds write in rfbserver.c in rfbProcessFileTransferReadBuffer() allows for potential code execution",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-15127.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "critical",
"current_release_date": "2026-08-31T08:40:56Z",
"cve": "CVE-2018-15127",
"id": "CVE-2018-15127",
"initial_release_date": "2023-02-15T04:24:59Z",
"product_status:known_affected": "44",
"product_status:recommended": "133",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2018-15127",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2018-15127.json",
"version": "22"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
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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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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