gsd-2019-11727
Vulnerability from gsd
Modified
2023-12-13 01:24
Details
A vulnerability exists where it possible to force Network Security Services (NSS) to sign CertificateVerify with PKCS#1 v1.5 signatures when those are the only ones advertised by server in CertificateRequest in TLS 1.3. PKCS#1 v1.5 signatures should not be used for TLS 1.3 messages. This vulnerability affects Firefox < 68.
Aliases
Aliases
CVE-2019-11727


To clipboard 

{
  "GSD": {
    "alias": "CVE-2019-11727",
    "description": "A vulnerability exists where it possible to force Network Security Services (NSS) to sign CertificateVerify with PKCS#1 v1.5 signatures when those are the only ones advertised by server in CertificateRequest in TLS 1.3. PKCS#1 v1.5 signatures should not be used for TLS 1.3 messages. This vulnerability affects Firefox \u003c 68.",
    "id": "GSD-2019-11727",
    "references": [
      "https://www.suse.com/security/cve/CVE-2019-11727.html",
      "https://access.redhat.com/errata/RHSA-2020:4076",
      "https://access.redhat.com/errata/RHSA-2019:1951",
      "https://ubuntu.com/security/CVE-2019-11727",
      "https://advisories.mageia.org/CVE-2019-11727.html",
      "https://security.archlinux.org/CVE-2019-11727",
      "https://alas.aws.amazon.com/cve/html/CVE-2019-11727.html",
      "https://linux.oracle.com/cve/CVE-2019-11727.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2019-11727"
      ],
      "details": "A vulnerability exists where it possible to force Network Security Services (NSS) to sign CertificateVerify with PKCS#1 v1.5 signatures when those are the only ones advertised by server in CertificateRequest in TLS 1.3. PKCS#1 v1.5 signatures should not be used for TLS 1.3 messages. This vulnerability affects Firefox \u003c 68.",
      "id": "GSD-2019-11727",
      "modified": "2023-12-13T01:24:00.221387Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security@mozilla.org",
        "ID": "CVE-2019-11727",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Firefox",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_value": "68"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Mozilla"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "A vulnerability exists where it possible to force Network Security Services (NSS) to sign CertificateVerify with PKCS#1 v1.5 signatures when those are the only ones advertised by server in CertificateRequest in TLS 1.3. PKCS#1 v1.5 signatures should not be used for TLS 1.3 messages. This vulnerability affects Firefox \u003c 68."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "PKCS#1 v1.5 signatures can be used for TLS 1.3"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://www.mozilla.org/security/advisories/mfsa2019-21/",
            "refsource": "MISC",
            "url": "https://www.mozilla.org/security/advisories/mfsa2019-21/"
          },
          {
            "name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1552208",
            "refsource": "MISC",
            "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1552208"
          },
          {
            "name": "RHSA-2019:1951",
            "refsource": "REDHAT",
            "url": "https://access.redhat.com/errata/RHSA-2019:1951"
          },
          {
            "name": "GLSA-201908-12",
            "refsource": "GENTOO",
            "url": "https://security.gentoo.org/glsa/201908-12"
          },
          {
            "name": "openSUSE-SU-2019:2248",
            "refsource": "SUSE",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html"
          },
          {
            "name": "openSUSE-SU-2019:2249",
            "refsource": "SUSE",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html"
          },
          {
            "name": "openSUSE-SU-2019:2251",
            "refsource": "SUSE",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html"
          },
          {
            "name": "openSUSE-SU-2019:2260",
            "refsource": "SUSE",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html"
          },
          {
            "name": "openSUSE-SU-2020:0008",
            "refsource": "SUSE",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00006.html"
          }
        ]
      }
    },
    "mozilla.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security@mozilla.org",
        "ID": "CVE-2019-11727"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Thunderbird",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_value": "68"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "Firefox",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_value": "68"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Mozilla"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "A vulnerability exists where it possible to force Network Security Services (NSS) to sign \u003ccode\u003eCertificateVerify\u003c/code\u003e with PKCS#1 v1.5 signatures when those are the only ones advertised by server in \u003ccode\u003eCertificateRequest\u003c/code\u003e in TLS 1.3. PKCS#1 v1.5 signatures should not be used for TLS 1.3 messages. This vulnerability affects Thunderbird \u003c 68 and Firefox \u003c 68."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "PKCS#1 v1.5 signatures can be used for TLS 1.3"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "url": "https://www.mozilla.org/security/advisories/mfsa2019-28/"
          },
          {
            "url": "https://www.mozilla.org/security/advisories/mfsa2019-21/"
          },
          {
            "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1552208"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "68.0",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "security@mozilla.org",
          "ID": "CVE-2019-11727"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "A vulnerability exists where it possible to force Network Security Services (NSS) to sign CertificateVerify with PKCS#1 v1.5 signatures when those are the only ones advertised by server in CertificateRequest in TLS 1.3. PKCS#1 v1.5 signatures should not be used for TLS 1.3 messages. This vulnerability affects Firefox \u003c 68."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-295"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.mozilla.org/security/advisories/mfsa2019-21/",
              "refsource": "MISC",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://www.mozilla.org/security/advisories/mfsa2019-21/"
            },
            {
              "name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1552208",
              "refsource": "MISC",
              "tags": [
                "Issue Tracking",
                "Permissions Required",
                "Vendor Advisory"
              ],
              "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1552208"
            },
            {
              "name": "RHSA-2019:1951",
              "refsource": "REDHAT",
              "tags": [],
              "url": "https://access.redhat.com/errata/RHSA-2019:1951"
            },
            {
              "name": "GLSA-201908-12",
              "refsource": "GENTOO",
              "tags": [],
              "url": "https://security.gentoo.org/glsa/201908-12"
            },
            {
              "name": "openSUSE-SU-2019:2249",
              "refsource": "SUSE",
              "tags": [],
              "url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html"
            },
            {
              "name": "openSUSE-SU-2019:2248",
              "refsource": "SUSE",
              "tags": [],
              "url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html"
            },
            {
              "name": "openSUSE-SU-2019:2251",
              "refsource": "SUSE",
              "tags": [],
              "url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html"
            },
            {
              "name": "openSUSE-SU-2019:2260",
              "refsource": "SUSE",
              "tags": [],
              "url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html"
            },
            {
              "name": "openSUSE-SU-2020:0008",
              "refsource": "SUSE",
              "tags": [],
              "url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00006.html"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 5.0,
            "confidentialityImpact": "NONE",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/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": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
            "version": "3.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 1.4
        }
      },
      "lastModifiedDate": "2019-07-30T23:15Z",
      "publishedDate": "2019-07-23T14:15Z"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




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.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • 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.