CVE-2014-6052 (GCVE-0-2014-6052)
Vulnerability from cvelistv5 – Published: 2014-12-15 17:27 – Updated: 2024-08-06 12:03
VLAI
EPSS
VEX
Summary
The HandleRFBServerMessage function in libvncclient/rfbproto.c in LibVNCServer 0.9.9 and earlier does not check certain malloc return values, which allows remote VNC servers to cause a denial of service (application crash) or possibly execute arbitrary code by specifying a large screen size in a (1) FramebufferUpdate, (2) ResizeFrameBuffer, or (3) PalmVNCReSizeFrameBuffer message.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
14 references
Date Public
2014-09-20 00:00
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"cpeMatch": [
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*",
"matchCriteriaId": "B6B7CAD7-9D4E-4FDB-88E3-1E583210A01F",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
"matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The HandleRFBServerMessage function in libvncclient/rfbproto.c in LibVNCServer 0.9.9 and earlier does not check certain malloc return values, which allows remote VNC servers to cause a denial of service (application crash) or possibly execute arbitrary code by specifying a large screen size in a (1) FramebufferUpdate, (2) ResizeFrameBuffer, or (3) PalmVNCReSizeFrameBuffer message."
},
{
"lang": "es",
"value": "La funci\u00f3n HandleRFBServerMessage en libvncclient/rfbproto.c en LibVNCServer 0.9.9 y anteriores no comprueba ciertos valores de retorno malloc, lo que permite a servidores remotos VNC causar una denegaci\u00f3n de servicio (ca\u00edda de la aplicaci\u00f3n) o posiblemente ejecutar c\u00f3digo arbitrario mediante la especificaci\u00f3n de un tama\u00f1o de pantalla grande en un mensaje (1) FramebufferUpdate, (2) ResizeFrameBuffer, o (3) PalmVNCReSizeFrameBuffer."
}
],
"id": "CVE-2014-6052",
"lastModified": "2026-05-06T22:30:45.220",
"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
}
]
},
"published": "2014-12-15T18:59:04.033",
"references": [
{
"source": "cve@mitre.org",
"url": "http://lists.opensuse.org/opensuse-updates/2015-12/msg00022.html"
},
{
"source": "cve@mitre.org",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://seclists.org/oss-sec/2014/q3/639"
},
{
"source": "cve@mitre.org",
"tags": [
"Permissions Required",
"Third Party Advisory"
],
"url": "http://secunia.com/advisories/61506"
},
{
"source": "cve@mitre.org",
"tags": [
"Permissions Required",
"Third Party Advisory"
],
"url": "http://secunia.com/advisories/61682"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "http://ubuntu.com/usn/usn-2365-1"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "http://www.debian.org/security/2014/dsa-3081"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory",
"US Government Resource"
],
"url": "http://www.ocert.org/advisories/ocert-2014-007.html"
},
{
"source": "cve@mitre.org",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://www.openwall.com/lists/oss-security/2014/09/25/11"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html"
},
{
"source": "cve@mitre.org",
"url": "http://www.securityfocus.com/bid/70091"
},
{
"source": "cve@mitre.org",
"tags": [
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"Issue Tracking",
"Patch"
],
"url": "https://github.com/newsoft/libvncserver/commit/85a778c0e45e87e35ee7199f1f25020648e8b812"
},
{
"source": "cve@mitre.org",
"url": "https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html"
},
{
"source": "cve@mitre.org",
"url": "https://security.gentoo.org/glsa/201507-07"
},
{
"source": "cve@mitre.org",
"url": "https://usn.ubuntu.com/4587-1/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.opensuse.org/opensuse-updates/2015-12/msg00022.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://seclists.org/oss-sec/2014/q3/639"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Permissions Required",
"Third Party Advisory"
],
"url": "http://secunia.com/advisories/61506"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Permissions Required",
"Third Party Advisory"
],
"url": "http://secunia.com/advisories/61682"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "http://ubuntu.com/usn/usn-2365-1"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "http://www.debian.org/security/2014/dsa-3081"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory",
"US Government Resource"
],
"url": "http://www.ocert.org/advisories/ocert-2014-007.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://www.openwall.com/lists/oss-security/2014/09/25/11"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/70091"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Issue Tracking",
"Patch"
],
"url": "https://github.com/newsoft/libvncserver/commit/85a778c0e45e87e35ee7199f1f25020648e8b812"
},
{
"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://security.gentoo.org/glsa/201507-07"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://usn.ubuntu.com/4587-1/"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-20"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2025-11-21T12:23:39+00:00",
"cve": "CVE-2014-6052",
"id": "CVE-2014-6052",
"initial_release_date": "2014-09-23T00:00:00+00:00",
"product_status:fixed": "156",
"product_status:known_not_affected": "21",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "libvncserver: NULL pointer dereference flaw in framebuffer setup",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2014/cve-2014-6052.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "important",
"current_release_date": "2026-08-01T00:24:57Z",
"cve": "CVE-2014-6052",
"id": "CVE-2014-6052",
"initial_release_date": "2023-02-15T05:27:12Z",
"product_status:known_affected": "44",
"product_status:recommended": "75",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2014-6052",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2014-6052.json",
"version": "11"
}
}
}
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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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