FKIE_CVE-2019-15681

Vulnerability from fkie_nvd - Published: 2019-10-29 19:15 - Updated: 2024-11-21 04:29
Summary
LibVNC commit before d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a contains a memory leak (CWE-655) in VNC server code, which allow an attacker to read stack memory and can be abused for information disclosure. Combined with another vulnerability, it can be used to leak stack memory and bypass ASLR. This attack appear to be exploitable via network connectivity. These vulnerabilities have been fixed in commit d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a.
References
vulnerability@kaspersky.comhttp://lists.opensuse.org/opensuse-security-announce/2020-05/msg00027.htmlMailing List, Third Party Advisory
vulnerability@kaspersky.comhttp://lists.opensuse.org/opensuse-security-announce/2020-07/msg00073.htmlMailing List, Third Party Advisory
vulnerability@kaspersky.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdfThird Party Advisory
vulnerability@kaspersky.comhttps://github.com/LibVNC/libvncserver/commit/d01e1bb4246323ba6fcee3b82ef1faa9b1dac82aPatch, Third Party Advisory
vulnerability@kaspersky.comhttps://lists.debian.org/debian-lts-announce/2019/10/msg00039.htmlMailing List, Third Party Advisory
vulnerability@kaspersky.comhttps://lists.debian.org/debian-lts-announce/2019/10/msg00042.htmlMailing List, Third Party Advisory
vulnerability@kaspersky.comhttps://lists.debian.org/debian-lts-announce/2019/11/msg00032.htmlMailing List, Third Party Advisory
vulnerability@kaspersky.comhttps://lists.debian.org/debian-lts-announce/2019/12/msg00028.htmlMailing List, Third Party Advisory
vulnerability@kaspersky.comhttps://usn.ubuntu.com/4407-1/Third Party Advisory
vulnerability@kaspersky.comhttps://usn.ubuntu.com/4547-1/Third Party Advisory
vulnerability@kaspersky.comhttps://usn.ubuntu.com/4573-1/Third Party Advisory
vulnerability@kaspersky.comhttps://usn.ubuntu.com/4587-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00027.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00073.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdfThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/LibVNC/libvncserver/commit/d01e1bb4246323ba6fcee3b82ef1faa9b1dac82aPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2019/10/msg00039.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2019/10/msg00042.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2019/11/msg00032.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2019/12/msg00028.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4407-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4547-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4573-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4587-1/Third Party Advisory

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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "LibVNC commit before d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a contains a memory leak (CWE-655) in VNC server code, which allow an attacker to read stack memory and can be abused for information disclosure. Combined with another vulnerability, it can be used to leak stack memory and bypass ASLR. This attack appear to be exploitable via network connectivity. These vulnerabilities have been fixed in commit d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a."
    },
    {
      "lang": "es",
      "value": "LibVNC en el commit anterior a d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a, contiene una p\u00e9rdida de memoria (CWE-655) en el c\u00f3digo del servidor VNC, lo que permite a un atacante leer la memoria de la pila y puede ser abusada para la divulgaci\u00f3n de informaci\u00f3n. Combinada con otra vulnerabilidad, puede ser usada para filtrar la memoria de la pila y omitir el ASLR. Este ataque parece ser explotable por medio de la conectividad de la red. Estas vulnerabilidades han sido corregidas en el commit d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a."
    }
  ],
  "id": "CVE-2019-15681",
  "lastModified": "2024-11-21T04:29:15.050",
  "metrics": {
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      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
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        "obtainUserPrivilege": false,
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        "type": "Primary",
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        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
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          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2019-10-29T19:15:18.127",
  "references": [
    {
      "source": "vulnerability@kaspersky.com",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00027.html"
    },
    {
      "source": "vulnerability@kaspersky.com",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00073.html"
    },
    {
      "source": "vulnerability@kaspersky.com",
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      ],
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf"
    },
    {
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    },
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  ],
  "sourceIdentifier": "vulnerability@kaspersky.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-665"
        }
      ],
      "source": "vulnerability@kaspersky.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-665"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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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.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
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