Vulnerability-Lookup

CVE-2014-6053 (GCVE-0-2014-6053)

Vulnerability from cvelistv5 – Published: 2014-12-15 17:27 – Updated: 2024-08-06 12:03

Summary

The rfbProcessClientNormalMessage function in libvncserver/rfbserver.c in LibVNCServer 0.9.9 and earlier does not properly handle attempts to send a large amount of ClientCutText data, which allows remote attackers to cause a denial of service (memory consumption or daemon crash) via a crafted message that is processed by using a single unchecked malloc.

Severity

No CVSS data available.

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 29/100 over 2350 records in the last 180 days details

References

15 references

URL	Tags
http://www.ocert.org/advisories/ocert-2014-007.html	x_refsource_MISC
https://github.com/newsoft/libvncserver/commit/60…	x_refsource_CONFIRM
http://secunia.com/advisories/61682	third-party-advisoryx_refsource_SECUNIA
http://lists.opensuse.org/opensuse-updates/2015-1…	vendor-advisoryx_refsource_SUSE
http://secunia.com/advisories/61506	third-party-advisoryx_refsource_SECUNIA
http://www.openwall.com/lists/oss-security/2014/0…	mailing-listx_refsource_MLIST
http://seclists.org/oss-sec/2014/q3/639	mailing-listx_refsource_MLIST
http://ubuntu.com/usn/usn-2365-1	vendor-advisoryx_refsource_UBUNTU
https://security.gentoo.org/glsa/201507-07	vendor-advisoryx_refsource_GENTOO
http://www.debian.org/security/2014/dsa-3081	vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
https://usn.ubuntu.com/4573-1/	vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/4587-1/	vendor-advisoryx_refsource_UBUNTU

Date Public

2014-09-20 00:00

Show details on NVD website

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            "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": [
              "Issue Tracking",
              "Patch"
            ],
            "url": "https://github.com/newsoft/libvncserver/commit/6037a9074d52b1963c97cb28ea1096c7c14cbf28"
          },
          {
            "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/msg00032.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://lists.debian.org/debian-lts-announce/2019/12/msg00028.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/4573-1/"
          },
          {
            "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-19"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T12:23:41+00:00",
      "cve": "CVE-2014-6053",
      "id": "CVE-2014-6053",
      "initial_release_date": "2014-09-23T00:00:00+00:00",
      "product_status:fixed": "300",
      "product_status:known_affected": "1",
      "product_status:known_not_affected": "4",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "libvncserver: server NULL pointer dereference flaw in ClientCutText message handling",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2014/cve-2014-6053.json",
      "version": "3"
    }
  }
}

UBUNTU-CVE-2014-6053 (CVE-2014-6053)

Vulnerability from osv_ubuntu – Published: 2014-09-24 00:00 – Updated: 2026-10-17 09:04 – Source website

Details

Severity

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2014-6053	REPORT
	http://seclists.org/oss-sec/2014/q3/639	REPORT
	http://www.kde.org/info/security/advisory-2014092…	REPORT
	http://www.ocert.org/advisories/ocert-2014-007.html	REPORT
	https://ubuntu.com/security/notices/USN-2365-1	ADVISORY
	https://ubuntu.com/security/notices/USN-4573-1	ADVISORY
	https://ubuntu.com/security/notices/USN-4587-1	ADVISORY
	https://www.cve.org/CVERecord?id=CVE-2014-6053	REPORT

JSON

To clipboard

{
  "affected": [
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      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "krfb",
            "binary_version": "4:4.13.3-0ubuntu1.1"
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      },
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        "4:4.12.3-0ubuntu1",
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        "4:4.12.95-0ubuntu1",
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      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
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            "binary_version": "0.9.9+dfsg-1ubuntu1.1"
          },
          {
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            "binary_version": "0.9.9+dfsg-1ubuntu1.1"
          },
          {
            "binary_name": "linuxvnc",
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    },
    {
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      },
      "package": {
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    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "italc-client",
            "binary_version": "1:2.0.2+dfsg1-4ubuntu0.1"
          },
          {
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            "binary_version": "1:2.0.2+dfsg1-4ubuntu0.1"
          },
          {
            "binary_name": "italc-master",
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          },
          {
            "binary_name": "libitalccore",
            "binary_version": "1:2.0.2+dfsg1-4ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "italc",
        "purl": "pkg:deb/ubuntu/italc@1:2.0.2+dfsg1-4ubuntu0.1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
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    },
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    {
      "ecosystem_specific": {
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      "package": {
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        "binaries": [
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          }
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      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "tightvnc",
        "purl": "pkg:deb/ubuntu/tightvnc@1.3.10-0ubuntu4?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
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      "versions": [
        "1.3.10-0ubuntu3",
        "1.3.10-0ubuntu4"
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    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "vino",
            "binary_version": "3.22.0-5ubuntu2.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "vino",
        "purl": "pkg:deb/ubuntu/vino@3.22.0-5ubuntu2.1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
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            {
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        }
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      "versions": [
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    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "tightvncserver",
            "binary_version": "1.3.10-0ubuntu5"
          },
          {
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            "binary_version": "1.3.10-0ubuntu5"
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      },
      "package": {
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        "name": "tightvnc",
        "purl": "pkg:deb/ubuntu/tightvnc@1.3.10-0ubuntu5?arch=source\u0026distro=focal"
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    {
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        "binaries": [
          {
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            "binary_version": "1:1.3.10-5"
          },
          {
            "binary_name": "tightvncserver",
            "binary_version": "1:1.3.10-5"
          },
          {
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            "binary_version": "1:1.3.10-5"
          }
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      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "tightvnc",
        "purl": "pkg:deb/ubuntu/tightvnc@1:1.3.10-5?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
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      ]
    },
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      "ecosystem_specific": {
        "binaries": [
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            "binary_version": "1:1.3.10-8"
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        "purl": "pkg:deb/ubuntu/tightvnc@1:1.3.10-8?arch=source\u0026distro=noble"
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            "binary_version": "1:1.3.10-10"
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      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "tightvnc",
        "purl": "pkg:deb/ubuntu/tightvnc@1:1.3.10-10?arch=source\u0026distro=questing"
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      "ranges": [
        {
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            {
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        "1:1.3.10-10"
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          {
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            "binary_version": "1:1.3.10-11"
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      },
      "package": {
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        "name": "tightvnc",
        "purl": "pkg:deb/ubuntu/tightvnc@1:1.3.10-11?arch=source\u0026distro=stonking"
      },
      "ranges": [
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        "1:1.3.10-11"
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    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "tightvncpasswd",
            "binary_version": "1:1.3.10-10build1"
          },
          {
            "binary_name": "tightvncserver",
            "binary_version": "1:1.3.10-10build1"
          },
          {
            "binary_name": "xtightvncviewer",
            "binary_version": "1:1.3.10-10build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "tightvnc",
        "purl": "pkg:deb/ubuntu/tightvnc@1:1.3.10-10build1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
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            {
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            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:1.3.10-10",
        "1:1.3.10-10build1"
      ]
    }
  ],
  "aliases": [],
  "details": "The rfbProcessClientNormalMessage function in libvncserver/rfbserver.c in LibVNCServer 0.9.9 and earlier does not properly handle attempts to send a large amount of ClientCutText data, which allows remote attackers to cause a denial of service (memory consumption or daemon crash) via a crafted message that is processed by using a single unchecked malloc.",
  "id": "UBUNTU-CVE-2014-6053",
  "modified": "2026-10-17T09:04:13Z",
  "published": "2014-09-24T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2014-6053"
    },
    {
      "type": "REPORT",
      "url": "http://seclists.org/oss-sec/2014/q3/639"
    },
    {
      "type": "REPORT",
      "url": "http://www.kde.org/info/security/advisory-20140923-1.txt"
    },
    {
      "type": "REPORT",
      "url": "http://www.ocert.org/advisories/ocert-2014-007.html"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-2365-1"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4573-1"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4587-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2014-6053"
    }
  ],
  "related": [
    "USN-2365-1",
    "USN-4573-1",
    "USN-4587-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2014-6053"
  ]
}

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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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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.

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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