gsd-2019-14855
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
A flaw was found in the way certificate signatures could be forged using collisions found in the SHA-1 algorithm. An attacker could use this weakness to create forged certificate signatures. This issue affects GnuPG versions before 2.2.18.
Aliases
Aliases
CVE-2019-14855


To clipboard 

{
  "GSD": {
    "alias": "CVE-2019-14855",
    "description": "A flaw was found in the way certificate signatures could be forged using collisions found in the SHA-1 algorithm. An attacker could use this weakness to create forged certificate signatures. This issue affects GnuPG versions before 2.2.18.",
    "id": "GSD-2019-14855",
    "references": [
      "https://www.suse.com/security/cve/CVE-2019-14855.html",
      "https://ubuntu.com/security/CVE-2019-14855",
      "https://advisories.mageia.org/CVE-2019-14855.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2019-14855"
      ],
      "details": "A flaw was found in the way certificate signatures could be forged using collisions found in the SHA-1 algorithm. An attacker could use this weakness to create forged certificate signatures. This issue affects GnuPG versions before 2.2.18.",
      "id": "GSD-2019-14855",
      "modified": "2023-12-13T01:23:52.627509Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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      "CVE_data_meta": {
        "ASSIGNER": "secalert@redhat.com",
        "ID": "CVE-2019-14855",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "gnupg2",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "2.2.18"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Red Hat"
            }
          ]
        }
      },
      "data_format": "MITRE",
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          }
        ]
      },
      "impact": {
        "cvss": [
          [
            {
              "vectorString": "5.3/CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N",
              "version": "3.0"
            }
          ]
        ]
      },
      "problemtype": {
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          {
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                "value": "CWE-326"
              }
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          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "USN-4516-1",
            "refsource": "UBUNTU",
            "url": "https://usn.ubuntu.com/4516-1/"
          },
          {
            "name": "https://rwc.iacr.org/2020/slides/Leurent.pdf",
            "refsource": "MISC",
            "url": "https://rwc.iacr.org/2020/slides/Leurent.pdf"
          },
          {
            "name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14855",
            "refsource": "CONFIRM",
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14855"
          },
          {
            "name": "https://lists.gnupg.org/pipermail/gnupg-announce/2019q4/000442.html",
            "refsource": "MISC",
            "url": "https://lists.gnupg.org/pipermail/gnupg-announce/2019q4/000442.html"
          },
          {
            "name": "https://dev.gnupg.org/T4755",
            "refsource": "MISC",
            "url": "https://dev.gnupg.org/T4755"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:gnupg:gnupg:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "2.2.18",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*",
                "cpe_name": [],
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              },
              {
                "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*",
                "cpe_name": [],
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            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
                "cpe_name": [],
                "vulnerable": true
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            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
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          "ID": "CVE-2019-14855"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
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              "lang": "en",
              "value": "A flaw was found in the way certificate signatures could be forged using collisions found in the SHA-1 algorithm. An attacker could use this weakness to create forged certificate signatures. This issue affects GnuPG versions before 2.2.18."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-326"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14855",
              "refsource": "CONFIRM",
              "tags": [
                "Issue Tracking",
                "Third Party Advisory"
              ],
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14855"
            },
            {
              "name": "https://rwc.iacr.org/2020/slides/Leurent.pdf",
              "refsource": "MISC",
              "tags": [
                "Exploit",
                "Third Party Advisory"
              ],
              "url": "https://rwc.iacr.org/2020/slides/Leurent.pdf"
            },
            {
              "name": "https://lists.gnupg.org/pipermail/gnupg-announce/2019q4/000442.html",
              "refsource": "MISC",
              "tags": [
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                "Release Notes",
                "Vendor Advisory"
              ],
              "url": "https://lists.gnupg.org/pipermail/gnupg-announce/2019q4/000442.html"
            },
            {
              "name": "https://dev.gnupg.org/T4755",
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                "Vendor Advisory"
              ],
              "url": "https://dev.gnupg.org/T4755"
            },
            {
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              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://usn.ubuntu.com/4516-1/"
            }
          ]
        }
      },
      "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:3.1/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
        }
      },
      "lastModifiedDate": "2022-11-08T02:28Z",
      "publishedDate": "2020-03-20T16:15Z"
    }
  }
}


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