gsd-2018-20022
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
LibVNC before 2f5b2ad1c6c99b1ac6482c95844a84d66bb52838 contains multiple weaknesses CWE-665: Improper Initialization vulnerability in VNC client code that allows attacker to read stack memory and can be abuse for information disclosure. Combined with another vulnerability, it can be used to leak stack memory layout and in bypassing ASLR
Aliases
Aliases



{
  "GSD": {
    "alias": "CVE-2018-20022",
    "description": "LibVNC before 2f5b2ad1c6c99b1ac6482c95844a84d66bb52838 contains multiple weaknesses CWE-665: Improper Initialization vulnerability in VNC client code that allows attacker to read stack memory and can be abuse for information disclosure. Combined with another vulnerability, it can be used to leak stack memory layout and in bypassing ASLR",
    "id": "GSD-2018-20022",
    "references": [
      "https://www.suse.com/security/cve/CVE-2018-20022.html",
      "https://www.debian.org/security/2019/dsa-4383",
      "https://ubuntu.com/security/CVE-2018-20022",
      "https://advisories.mageia.org/CVE-2018-20022.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2018-20022"
      ],
      "details": "LibVNC before 2f5b2ad1c6c99b1ac6482c95844a84d66bb52838 contains multiple weaknesses CWE-665: Improper Initialization vulnerability in VNC client code that allows attacker to read stack memory and can be abuse for information disclosure. Combined with another vulnerability, it can be used to leak stack memory layout and in bypassing ASLR",
      "id": "GSD-2018-20022",
      "modified": "2023-12-13T01:22:29.691945Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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      "CVE_data_meta": {
        "ASSIGNER": "vulnerability@kaspersky.com",
        "ID": "CVE-2018-20022",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "LibVNC",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "commit 2f5b2ad1c6c99b1ac6482c95844a84d66bb52838"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
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      },
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          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
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                "lang": "eng",
                "value": "Information disclosure"
              }
            ]
          }
        ]
      },
      "references": {
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          },
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            "refsource": "MLIST",
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          },
          {
            "name": "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-032-libvnc-multiple-memory-leaks/",
            "refsource": "MISC",
            "url": "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-032-libvnc-multiple-memory-leaks/"
          },
          {
            "name": "USN-3877-1",
            "refsource": "UBUNTU",
            "url": "https://usn.ubuntu.com/3877-1/"
          },
          {
            "name": "GLSA-201908-05",
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          },
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          },
          {
            "name": "[debian-lts-announce] 20191129 [SECURITY] [DLA 2016-1] ssvnc security update",
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          },
          {
            "name": "[debian-lts-announce] 20191221 [SECURITY] [DLA 2045-1] tightvnc security update",
            "refsource": "MLIST",
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          },
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          },
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            "url": "https://usn.ubuntu.com/4547-2/"
          },
          {
            "name": "USN-4587-1",
            "refsource": "UBUNTU",
            "url": "https://usn.ubuntu.com/4587-1/"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:libvnc_project:libvncserver:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "0.9.12",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
                "cpe_name": [],
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              },
              {
                "cpe23Uri": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
                "cpe_name": [],
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              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "vulnerability@kaspersky.com",
          "ID": "CVE-2018-20022"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "LibVNC before 2f5b2ad1c6c99b1ac6482c95844a84d66bb52838 contains multiple weaknesses CWE-665: Improper Initialization vulnerability in VNC client code that allows attacker to read stack memory and can be abuse for information disclosure. Combined with another vulnerability, it can be used to leak stack memory layout and in bypassing ASLR"
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-665"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-032-libvnc-multiple-memory-leaks/",
              "refsource": "MISC",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-032-libvnc-multiple-memory-leaks/"
            },
            {
              "name": "[debian-lts-announce] 20181227 [SECURITY] [DLA 1617-1] libvncserver security update",
              "refsource": "MLIST",
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                "Third Party Advisory"
              ],
              "url": "https://lists.debian.org/debian-lts-announce/2018/12/msg00017.html"
            },
            {
              "name": "USN-3877-1",
              "refsource": "UBUNTU",
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            },
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            },
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            },
            {
              "name": "[debian-lts-announce] 20191030 [SECURITY] [DLA 1979-1] italc security update",
              "refsource": "MLIST",
              "tags": [],
              "url": "https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html"
            },
            {
              "name": "[debian-lts-announce] 20191129 [SECURITY] [DLA 2016-1] ssvnc security update",
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              "tags": [],
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            },
            {
              "name": "[debian-lts-announce] 20191221 [SECURITY] [DLA 2045-1] tightvnc security update",
              "refsource": "MLIST",
              "tags": [],
              "url": "https://lists.debian.org/debian-lts-announce/2019/12/msg00028.html"
            },
            {
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              "url": "https://security.gentoo.org/glsa/202006-06"
            },
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              "refsource": "UBUNTU",
              "tags": [],
              "url": "https://usn.ubuntu.com/4587-1/"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "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,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2020-10-23T13:15Z",
      "publishedDate": "2018-12-19T16:29Z"
    }
  }
}


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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.
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  • 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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