suse-su-2019:2891-2
Vulnerability from csaf_suse
Published
2020-07-08 07:57
Modified
2020-07-08 07:57
Summary
Security update for python-ecdsa

Notes

Title of the patch
Security update for python-ecdsa
Description of the patch
This update for python-ecdsa to version 0.13.3 fixes the following issues: Security issues fixed: - CVE-2019-14853: Fixed unexpected exceptions during signature decoding (bsc#1153165). - CVE-2019-14859: Fixed a signature malleability caused by insufficient checks of DER encoding (bsc#1154217).
Patchnames
SUSE-2019-2891,SUSE-SLE-Module-Basesystem-15-SP2-2020-1877,SUSE-SLE-Module-Packagehub-Subpackages-15-SP1-2020-1877,SUSE-SLE-Module-Packagehub-Subpackages-15-SP2-2020-1877
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).


To clipboard 

{
  "document": {
    "aggregate_severity": {
      "namespace": "https://www.suse.com/support/security/rating/",
      "text": "moderate"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright 2024 SUSE LLC. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "Security update for python-ecdsa",
        "title": "Title of the patch"
      },
      {
        "category": "description",
        "text": "This update for python-ecdsa to version 0.13.3 fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2019-14853: Fixed unexpected exceptions during signature decoding (bsc#1153165).\n- CVE-2019-14859: Fixed a signature malleability caused by insufficient checks of DER encoding (bsc#1154217).\n",
        "title": "Description of the patch"
      },
      {
        "category": "details",
        "text": "SUSE-2019-2891,SUSE-SLE-Module-Basesystem-15-SP2-2020-1877,SUSE-SLE-Module-Packagehub-Subpackages-15-SP1-2020-1877,SUSE-SLE-Module-Packagehub-Subpackages-15-SP2-2020-1877",
        "title": "Patchnames"
      },
      {
        "category": "legal_disclaimer",
        "text": "CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).",
        "title": "Terms of use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://www.suse.com/support/security/contact/",
      "name": "SUSE Product Security Team",
      "namespace": "https://www.suse.com/"
    },
    "references": [
      {
        "category": "external",
        "summary": "SUSE ratings",
        "url": "https://www.suse.com/support/security/rating/"
      },
      {
        "category": "self",
        "summary": "URL of this CSAF notice",
        "url": "https://ftp.suse.com/pub/projects/security/csaf/suse-su-2019_2891-2.json"
      },
      {
        "category": "self",
        "summary": "URL for SUSE-SU-2019:2891-2",
        "url": "https://www.suse.com/support/update/announcement/2019/suse-su-20192891-2/"
      },
      {
        "category": "self",
        "summary": "E-Mail link for SUSE-SU-2019:2891-2",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2020-July/007100.html"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1153165",
        "url": "https://bugzilla.suse.com/1153165"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1154217",
        "url": "https://bugzilla.suse.com/1154217"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2019-14853 page",
        "url": "https://www.suse.com/security/cve/CVE-2019-14853/"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2019-14859 page",
        "url": "https://www.suse.com/security/cve/CVE-2019-14859/"
      }
    ],
    "title": "Security update for python-ecdsa",
    "tracking": {
      "current_release_date": "2020-07-08T07:57:01Z",
      "generator": {
        "date": "2020-07-08T07:57:01Z",
        "engine": {
          "name": "cve-database.git:bin/generate-csaf.pl",
          "version": "1"
        }
      },
      "id": "SUSE-SU-2019:2891-2",
      "initial_release_date": "2020-07-08T07:57:01Z",
      "revision_history": [
        {
          "date": "2020-07-08T07:57:01Z",
          "number": "1",
          "summary": "Current version"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "python2-ecdsa-0.13.3-3.3.1.noarch",
                "product": {
                  "name": "python2-ecdsa-0.13.3-3.3.1.noarch",
                  "product_id": "python2-ecdsa-0.13.3-3.3.1.noarch"
                }
              },
              {
                "category": "product_version",
                "name": "python3-ecdsa-0.13.3-3.3.1.noarch",
                "product": {
                  "name": "python3-ecdsa-0.13.3-3.3.1.noarch",
                  "product_id": "python3-ecdsa-0.13.3-3.3.1.noarch"
                }
              }
            ],
            "category": "architecture",
            "name": "noarch"
          },
          {
            "branches": [
              {
                "category": "product_name",
                "name": "SUSE Linux Enterprise Module for Basesystem 15 SP2",
                "product": {
                  "name": "SUSE Linux Enterprise Module for Basesystem 15 SP2",
                  "product_id": "SUSE Linux Enterprise Module for Basesystem 15 SP2",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:suse:sle-module-basesystem:15:sp2"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "SUSE Linux Enterprise Module for Package Hub 15 SP1",
                "product": {
                  "name": "SUSE Linux Enterprise Module for Package Hub 15 SP1",
                  "product_id": "SUSE Linux Enterprise Module for Package Hub 15 SP1",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:suse:packagehub:15:sp1"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "SUSE Linux Enterprise Module for Package Hub 15 SP2",
                "product": {
                  "name": "SUSE Linux Enterprise Module for Package Hub 15 SP2",
                  "product_id": "SUSE Linux Enterprise Module for Package Hub 15 SP2",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:suse:packagehub:15:sp2"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "SUSE Linux Enterprise"
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "python3-ecdsa-0.13.3-3.3.1.noarch as component of SUSE Linux Enterprise Module for Basesystem 15 SP2",
          "product_id": "SUSE Linux Enterprise Module for Basesystem 15 SP2:python3-ecdsa-0.13.3-3.3.1.noarch"
        },
        "product_reference": "python3-ecdsa-0.13.3-3.3.1.noarch",
        "relates_to_product_reference": "SUSE Linux Enterprise Module for Basesystem 15 SP2"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "python2-ecdsa-0.13.3-3.3.1.noarch as component of SUSE Linux Enterprise Module for Package Hub 15 SP1",
          "product_id": "SUSE Linux Enterprise Module for Package Hub 15 SP1:python2-ecdsa-0.13.3-3.3.1.noarch"
        },
        "product_reference": "python2-ecdsa-0.13.3-3.3.1.noarch",
        "relates_to_product_reference": "SUSE Linux Enterprise Module for Package Hub 15 SP1"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "python2-ecdsa-0.13.3-3.3.1.noarch as component of SUSE Linux Enterprise Module for Package Hub 15 SP2",
          "product_id": "SUSE Linux Enterprise Module for Package Hub 15 SP2:python2-ecdsa-0.13.3-3.3.1.noarch"
        },
        "product_reference": "python2-ecdsa-0.13.3-3.3.1.noarch",
        "relates_to_product_reference": "SUSE Linux Enterprise Module for Package Hub 15 SP2"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2019-14853",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2019-14853"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "An error-handling flaw was found in python-ecdsa before version 0.13.3. During signature decoding, malformed DER signatures could raise unexpected exceptions (or no exceptions at all), which could lead to a denial of service.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Module for Basesystem 15 SP2:python3-ecdsa-0.13.3-3.3.1.noarch",
          "SUSE Linux Enterprise Module for Package Hub 15 SP1:python2-ecdsa-0.13.3-3.3.1.noarch",
          "SUSE Linux Enterprise Module for Package Hub 15 SP2:python2-ecdsa-0.13.3-3.3.1.noarch"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2019-14853",
          "url": "https://www.suse.com/security/cve/CVE-2019-14853"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1153165 for CVE-2019-14853",
          "url": "https://bugzilla.suse.com/1153165"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Enterprise Module for Basesystem 15 SP2:python3-ecdsa-0.13.3-3.3.1.noarch",
            "SUSE Linux Enterprise Module for Package Hub 15 SP1:python2-ecdsa-0.13.3-3.3.1.noarch",
            "SUSE Linux Enterprise Module for Package Hub 15 SP2:python2-ecdsa-0.13.3-3.3.1.noarch"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.0"
          },
          "products": [
            "SUSE Linux Enterprise Module for Basesystem 15 SP2:python3-ecdsa-0.13.3-3.3.1.noarch",
            "SUSE Linux Enterprise Module for Package Hub 15 SP1:python2-ecdsa-0.13.3-3.3.1.noarch",
            "SUSE Linux Enterprise Module for Package Hub 15 SP2:python2-ecdsa-0.13.3-3.3.1.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2020-07-08T07:57:01Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2019-14853"
    },
    {
      "cve": "CVE-2019-14859",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2019-14859"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A flaw was found in all python-ecdsa versions before 0.13.3, where it did not correctly verify whether signatures used DER encoding. Without this verification, a malformed signature could be accepted, making the signature malleable. Without proper verification, an attacker could use a malleable signature to create false transactions.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Module for Basesystem 15 SP2:python3-ecdsa-0.13.3-3.3.1.noarch",
          "SUSE Linux Enterprise Module for Package Hub 15 SP1:python2-ecdsa-0.13.3-3.3.1.noarch",
          "SUSE Linux Enterprise Module for Package Hub 15 SP2:python2-ecdsa-0.13.3-3.3.1.noarch"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2019-14859",
          "url": "https://www.suse.com/security/cve/CVE-2019-14859"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1154217 for CVE-2019-14859",
          "url": "https://bugzilla.suse.com/1154217"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Enterprise Module for Basesystem 15 SP2:python3-ecdsa-0.13.3-3.3.1.noarch",
            "SUSE Linux Enterprise Module for Package Hub 15 SP1:python2-ecdsa-0.13.3-3.3.1.noarch",
            "SUSE Linux Enterprise Module for Package Hub 15 SP2:python2-ecdsa-0.13.3-3.3.1.noarch"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 6.8,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L",
            "version": "3.0"
          },
          "products": [
            "SUSE Linux Enterprise Module for Basesystem 15 SP2:python3-ecdsa-0.13.3-3.3.1.noarch",
            "SUSE Linux Enterprise Module for Package Hub 15 SP1:python2-ecdsa-0.13.3-3.3.1.noarch",
            "SUSE Linux Enterprise Module for Package Hub 15 SP2:python2-ecdsa-0.13.3-3.3.1.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2020-07-08T07:57:01Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2019-14859"
    }
  ]
}


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