gsd-2020-12692
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
An issue was discovered in OpenStack Keystone before 15.0.1, and 16.0.0. The EC2 API doesn't have a signature TTL check for AWS Signature V4. An attacker can sniff the Authorization header, and then use it to reissue an OpenStack token an unlimited number of times.
Aliases
Aliases
CVE-2020-12692


To clipboard 

{
  "GSD": {
    "alias": "CVE-2020-12692",
    "description": "An issue was discovered in OpenStack Keystone before 15.0.1, and 16.0.0. The EC2 API doesn\u0027t have a signature TTL check for AWS Signature V4. An attacker can sniff the Authorization header, and then use it to reissue an OpenStack token an unlimited number of times.",
    "id": "GSD-2020-12692",
    "references": [
      "https://www.suse.com/security/cve/CVE-2020-12692.html",
      "https://access.redhat.com/errata/RHSA-2020:3105",
      "https://access.redhat.com/errata/RHSA-2020:3102",
      "https://access.redhat.com/errata/RHSA-2020:2732",
      "https://ubuntu.com/security/CVE-2020-12692"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-12692"
      ],
      "details": "An issue was discovered in OpenStack Keystone before 15.0.1, and 16.0.0. The EC2 API doesn\u0027t have a signature TTL check for AWS Signature V4. An attacker can sniff the Authorization header, and then use it to reissue an OpenStack token an unlimited number of times.",
      "id": "GSD-2020-12692",
      "modified": "2023-12-13T01:21:49.342733Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2020-12692",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "An issue was discovered in OpenStack Keystone before 15.0.1, and 16.0.0. The EC2 API doesn\u0027t have a signature TTL check for AWS Signature V4. An attacker can sniff the Authorization header, and then use it to reissue an OpenStack token an unlimited number of times."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://security.openstack.org/ossa/OSSA-2020-003.html",
            "refsource": "CONFIRM",
            "url": "https://security.openstack.org/ossa/OSSA-2020-003.html"
          },
          {
            "name": "https://bugs.launchpad.net/keystone/+bug/1872737",
            "refsource": "MISC",
            "url": "https://bugs.launchpad.net/keystone/+bug/1872737"
          },
          {
            "name": "https://www.openwall.com/lists/oss-security/2020/05/06/4",
            "refsource": "MISC",
            "url": "https://www.openwall.com/lists/oss-security/2020/05/06/4"
          },
          {
            "name": "[oss-security] 20200507 Re: [OSSA-2020-003] Keystone: Keystone does not check signature TTL of the EC2 credential auth method (CVE PENDING)",
            "refsource": "MLIST",
            "url": "http://www.openwall.com/lists/oss-security/2020/05/07/1"
          },
          {
            "name": "USN-4480-1",
            "refsource": "UBUNTU",
            "url": "https://usn.ubuntu.com/4480-1/"
          }
        ]
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003c15.0.1",
          "affected_versions": "All versions before 15.0.1",
          "cvss_v2": "AV:N/AC:L/Au:S/C:P/I:P/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-294",
            "CWE-347",
            "CWE-937"
          ],
          "date": "2023-07-13",
          "description": "An issue was discovered in OpenStack Keystone before 15.0.1, and 16.0.0. The EC2 API does not have a signature TTL check for AWS Signature V4. An attacker can sniff the Authorization header, and then use it to reissue an OpenStack token an unlimited number of times.",
          "fixed_versions": [
            "15.0.1"
          ],
          "identifier": "CVE-2020-12692",
          "identifiers": [
            "GHSA-rqw2-hhrf-7936",
            "CVE-2020-12692"
          ],
          "not_impacted": "",
          "package_slug": "pypi/keystone",
          "pubdate": "2022-05-24",
          "solution": "Upgrade to version 15.0.1 or above.",
          "title": "Authentication Bypass by Capture-replay",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-12692",
            "https://bugs.launchpad.net/keystone/+bug/1872737",
            "https://security.openstack.org/ossa/OSSA-2020-003.html",
            "https://usn.ubuntu.com/4480-1/",
            "https://www.openwall.com/lists/oss-security/2020/05/06/4",
            "http://www.openwall.com/lists/oss-security/2020/05/07/1",
            "https://opendev.org/openstack/keystone/commit/ab89ea749013e7f2c46260f68504f5687763e019",
            "https://github.com/advisories/GHSA-rqw2-hhrf-7936"
          ],
          "uuid": "a89f69ac-481e-4d86-ab1f-8025c2a1c3f9"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "15.0.1",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:openstack:keystone:16.0.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-12692"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "An issue was discovered in OpenStack Keystone before 15.0.1, and 16.0.0. The EC2 API doesn\u0027t have a signature TTL check for AWS Signature V4. An attacker can sniff the Authorization header, and then use it to reissue an OpenStack token an unlimited number of times."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-347"
                },
                {
                  "lang": "en",
                  "value": "CWE-294"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.openwall.com/lists/oss-security/2020/05/06/4",
              "refsource": "MISC",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "https://www.openwall.com/lists/oss-security/2020/05/06/4"
            },
            {
              "name": "https://bugs.launchpad.net/keystone/+bug/1872737",
              "refsource": "MISC",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://bugs.launchpad.net/keystone/+bug/1872737"
            },
            {
              "name": "[oss-security] 20200507 Re: [OSSA-2020-003] Keystone: Keystone does not check signature TTL of the EC2 credential auth method (CVE PENDING)",
              "refsource": "MLIST",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "http://www.openwall.com/lists/oss-security/2020/05/07/1"
            },
            {
              "name": "https://security.openstack.org/ossa/OSSA-2020-003.html",
              "refsource": "CONFIRM",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://security.openstack.org/ossa/OSSA-2020-003.html"
            },
            {
              "name": "USN-4480-1",
              "refsource": "UBUNTU",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://usn.ubuntu.com/4480-1/"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "NONE",
            "baseScore": 5.5,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 8.0,
          "impactScore": 4.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 2.5
        }
      },
      "lastModifiedDate": "2022-04-27T14:49Z",
      "publishedDate": "2020-05-07T00:15Z"
    }
  }
}


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