gsd-2019-3859
Vulnerability from gsd
Modified
2023-12-13 01:24
Details
An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the _libssh2_packet_require and _libssh2_packet_requirev functions. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.
Aliases
Aliases
CVE-2019-3859


To clipboard 

{
  "GSD": {
    "alias": "CVE-2019-3859",
    "description": "An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the _libssh2_packet_require and _libssh2_packet_requirev functions. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.",
    "id": "GSD-2019-3859",
    "references": [
      "https://www.suse.com/security/cve/CVE-2019-3859.html",
      "https://www.debian.org/security/2019/dsa-4431",
      "https://advisories.mageia.org/CVE-2019-3859.html",
      "https://security.archlinux.org/CVE-2019-3859",
      "https://ubuntu.com/security/CVE-2019-3859"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2019-3859"
      ],
      "details": "An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the _libssh2_packet_require and _libssh2_packet_requirev functions. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.",
      "id": "GSD-2019-3859",
      "modified": "2023-12-13T01:24:04.408268Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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      "CVE_data_meta": {
        "ASSIGNER": "secalert@redhat.com",
        "ID": "CVE-2019-3859",
        "STATE": "PUBLIC"
      },
      "affects": {
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          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "libssh2",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "1.8.1"
                        }
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                  }
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              },
              "vendor_name": "The libssh2 Project"
            }
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          }
        ]
      },
      "impact": {
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            {
              "vectorString": "5.0/CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L",
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          {
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            "url": "https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html"
          }
        ]
      }
    },
    "gitlab.com": {
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        {
          "affected_range": "(,1.8.1)",
          "affected_versions": "All versions before 1.8.1",
          "cvss_v2": "AV:N/AC:L/Au:N/C:P/I:N/A:P",
          "cvss_v3": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
          "cwe_ids": [
            "CWE-1035",
            "CWE-125",
            "CWE-937"
          ],
          "date": "2019-07-25",
          "description": "An out-of-bounds read flaw was discovered in libssh2 in the _libssh2_packet_require and _libssh2_packet_requirev functions. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.",
          "fixed_versions": [
            "1.8.2"
          ],
          "identifier": "CVE-2019-3859",
          "identifiers": [
            "CVE-2019-3859"
          ],
          "not_impacted": "All versions starting from 1.8.1",
          "package_slug": "nuget/libssh2-vc141_xp",
          "pubdate": "2019-03-21",
          "solution": "Upgrade to version 1.8.2 or above.",
          "title": "Out-of-bounds Read",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2019-3859"
          ],
          "uuid": "1b1418d9-e07c-4134-9d37-4de1131added"
        }
      ]
    },
    "nvd.nist.gov": {
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 6.4,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 4.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.1,
            "baseSeverity": "CRITICAL",
            "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:H",
            "version": "3.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 5.2
        }
      },
      "lastModifiedDate": "2019-07-25T21:15Z",
      "publishedDate": "2019-03-21T16:01Z"
    }
  }
}


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