CVE-2017-9269 (GCVE-0-2017-9269)

Vulnerability from cvelistv5 – Published: 2018-03-01 19:00 – Updated: 2024-09-17 00:36
VLAI?
Summary
In libzypp before August 2018 GPG keys attached to YUM repositories were not correctly pinned, allowing malicious repository mirrors to silently downgrade to unsigned repositories with potential malicious content.
Severity ?
7.7 (High)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
CWE
  • Malicious mirrors could downgrade repositories from trusted signed repositories to unsigned malicious repositories.
  • CWE-757
Assigner
References
Impacted products
Vendor Product Version
SUSE libzypp Affected: unspecified , < 201808 (custom)
Create a notification for this product.
Credits
Moritz Duge and Till Doerges from PRESENSE
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T17:02:43.805Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "SUSE-SU-2017:2040",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "https://lists.opensuse.org/opensuse-security-announce/2017-08/msg00002.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bugzilla.suse.com/show_bug.cgi?id=1045735"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.suse.com/de-de/security/cve/CVE-2017-9269/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "libzypp",
          "vendor": "SUSE",
          "versions": [
            {
              "lessThan": "201808",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Moritz Duge and Till Doerges from PRESENSE"
        }
      ],
      "datePublic": "2017-08-03T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "In libzypp before August 2018 GPG keys attached to YUM repositories were not correctly pinned, allowing malicious repository mirrors to silently downgrade to unsigned repositories with potential malicious content."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 7.7,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Malicious mirrors could downgrade repositories from trusted signed repositories to unsigned malicious repositories.",
              "lang": "en",
              "type": "text"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-757",
              "description": "CWE-757",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-01-06T16:15:46",
        "orgId": "f81092c5-7f14-476d-80dc-24857f90be84",
        "shortName": "microfocus"
      },
      "references": [
        {
          "name": "SUSE-SU-2017:2040",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "https://lists.opensuse.org/opensuse-security-announce/2017-08/msg00002.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugzilla.suse.com/show_bug.cgi?id=1045735"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://www.suse.com/de-de/security/cve/CVE-2017-9269/"
        }
      ],
      "source": {
        "defect": [
          "https://bugzilla.suse.com/show_bug.cgi?id=1045735"
        ],
        "discovery": "EXTERNAL"
      },
      "title": "lack of keypinning in libzypp could lead to repository switching",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@microfocus.com",
          "DATE_PUBLIC": "2017-08-03T00:00:00.000Z",
          "ID": "CVE-2017-9269",
          "STATE": "PUBLIC",
          "TITLE": "lack of keypinning in libzypp could lead to repository switching"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "libzypp",
                      "version": {
                        "version_data": [
                          {
                            "affected": "\u003c",
                            "version_affected": "\u003c",
                            "version_value": "201808"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "SUSE"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "Moritz Duge and Till Doerges from PRESENSE"
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "In libzypp before August 2018 GPG keys attached to YUM repositories were not correctly pinned, allowing malicious repository mirrors to silently downgrade to unsigned repositories with potential malicious content."
            }
          ]
        },
        "impact": {
          "cvss": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 7.7,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L",
            "version": "3.0"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Malicious mirrors could downgrade repositories from trusted signed repositories to unsigned malicious repositories."
                }
              ]
            },
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-757"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "SUSE-SU-2017:2040",
              "refsource": "SUSE",
              "url": "https://lists.opensuse.org/opensuse-security-announce/2017-08/msg00002.html"
            },
            {
              "name": "https://bugzilla.suse.com/show_bug.cgi?id=1045735",
              "refsource": "CONFIRM",
              "url": "https://bugzilla.suse.com/show_bug.cgi?id=1045735"
            },
            {
              "name": "https://www.suse.com/de-de/security/cve/CVE-2017-9269/",
              "refsource": "CONFIRM",
              "url": "https://www.suse.com/de-de/security/cve/CVE-2017-9269/"
            }
          ]
        },
        "source": {
          "defect": [
            "https://bugzilla.suse.com/show_bug.cgi?id=1045735"
          ],
          "discovery": "EXTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f81092c5-7f14-476d-80dc-24857f90be84",
    "assignerShortName": "microfocus",
    "cveId": "CVE-2017-9269",
    "datePublished": "2018-03-01T19:00:00Z",
    "dateReserved": "2017-05-29T00:00:00",
    "dateUpdated": "2024-09-17T00:36:56.264Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:opensuse:libzypp:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"AA09C23E-91B3-4E29-91B2-F517F293488C\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"In libzypp before August 2018 GPG keys attached to YUM repositories were not correctly pinned, allowing malicious repository mirrors to silently downgrade to unsigned repositories with potential malicious content.\"}, {\"lang\": \"es\", \"value\": \"En libzypp, en versiones anteriores a agosto de 2018, las claves GPG adjuntadas en repositorios YUM no se anclaban correctamente, lo que permit\\u00eda que mirrors de repositorio maliciosos degradasen silenciosamente a repositorios no firmados con contenido potencialmente malicioso.\"}]",
      "id": "CVE-2017-9269",
      "lastModified": "2024-11-21T03:35:43.547",
      "metrics": "{\"cvssMetricV30\": [{\"source\": \"security@opentext.com\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.0\", \"vectorString\": \"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L\", \"baseScore\": 7.7, \"baseSeverity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"LOW\"}, \"exploitabilityScore\": 2.2, \"impactScore\": 5.5}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.0\", \"vectorString\": \"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"baseScore\": 9.8, \"baseSeverity\": \"CRITICAL\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 5.9}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:L/Au:N/C:P/I:P/A:P\", \"baseScore\": 7.5, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"HIGH\", \"exploitabilityScore\": 10.0, \"impactScore\": 6.4, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2018-03-01T20:29:00.820",
      "references": "[{\"url\": \"https://bugzilla.suse.com/show_bug.cgi?id=1045735\", \"source\": \"security@opentext.com\"}, {\"url\": \"https://lists.opensuse.org/opensuse-security-announce/2017-08/msg00002.html\", \"source\": \"security@opentext.com\"}, {\"url\": \"https://www.suse.com/de-de/security/cve/CVE-2017-9269/\", \"source\": \"security@opentext.com\"}, {\"url\": \"https://bugzilla.suse.com/show_bug.cgi?id=1045735\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://lists.opensuse.org/opensuse-security-announce/2017-08/msg00002.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://www.suse.com/de-de/security/cve/CVE-2017-9269/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}]",
      "sourceIdentifier": "security@opentext.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"security@opentext.com\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-757\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-20\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2017-9269\",\"sourceIdentifier\":\"security@opentext.com\",\"published\":\"2018-03-01T20:29:00.820\",\"lastModified\":\"2024-11-21T03:35:43.547\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In libzypp before August 2018 GPG keys attached to YUM repositories were not correctly pinned, allowing malicious repository mirrors to silently downgrade to unsigned repositories with potential malicious content.\"},{\"lang\":\"es\",\"value\":\"En libzypp, en versiones anteriores a agosto de 2018, las claves GPG adjuntadas en repositorios YUM no se anclaban correctamente, lo que permit\u00eda que mirrors de repositorio maliciosos degradasen silenciosamente a repositorios no firmados con contenido potencialmente malicioso.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"security@opentext.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L\",\"baseScore\":7.7,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":2.2,\"impactScore\":5.5},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:P/A:P\",\"baseScore\":7.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"security@opentext.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-757\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:opensuse:libzypp:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"AA09C23E-91B3-4E29-91B2-F517F293488C\"}]}]}],\"references\":[{\"url\":\"https://bugzilla.suse.com/show_bug.cgi?id=1045735\",\"source\":\"security@opentext.com\"},{\"url\":\"https://lists.opensuse.org/opensuse-security-announce/2017-08/msg00002.html\",\"source\":\"security@opentext.com\"},{\"url\":\"https://www.suse.com/de-de/security/cve/CVE-2017-9269/\",\"source\":\"security@opentext.com\"},{\"url\":\"https://bugzilla.suse.com/show_bug.cgi?id=1045735\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.opensuse.org/opensuse-security-announce/2017-08/msg00002.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://www.suse.com/de-de/security/cve/CVE-2017-9269/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
  }
}


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 observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.