Vulnerability-Lookup

CVE-2017-7436 (GCVE-0-2017-7436)

Vulnerability from cvelistv5 – Published: 2018-03-01 19:00 – Updated: 2024-09-16 19:09

Title

libzypp accepts unsigned packages even when configured to check signatures

Summary

In libzypp before 20170803 it was possible to retrieve unsigned packages without a warning to the user which could lead to man in the middle or malicious servers to inject malicious RPM packages into a users system.

Severity

8.1 (High)


                        
                          CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE

Missing UI interaction when using unsigned packages could lead to use of malicious packages.

Assigner

microfocus

References

3 references

URL	Tags
https://lists.opensuse.org/opensuse-security-anno…	vendor-advisoryx_refsource_SUSE
https://bugzilla.suse.com/show_bug.cgi?id=1038984	x_refsource_CONFIRM
https://www.suse.com/de-de/security/cve/CVE-2017-7436/	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
SUSE	libzypp	Affected: unspecified , < 20170803 (custom)

Date Public

2017-08-03 00:00

Credits

Boleslaw Tokarski

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T16:04:11.368Z",
          "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=1038984"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.suse.com/de-de/security/cve/CVE-2017-7436/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "libzypp",
          "vendor": "SUSE",
          "versions": [
            {
              "lessThan": "20170803",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Boleslaw Tokarski"
        }
      ],
      "datePublic": "2017-08-03T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "In libzypp before 20170803 it was possible to retrieve unsigned packages without a warning to the user which could lead to man in the middle or malicious servers to inject malicious RPM packages into a users system."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.1,
            "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:H",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Missing UI interaction when using unsigned packages could lead to use of malicious packages.",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-01-06T16:15:43.000Z",
        "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=1038984"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://www.suse.com/de-de/security/cve/CVE-2017-7436/"
        }
      ],
      "source": {
        "advisory": "https://lists.opensuse.org/opensuse-security-announce/2017-08/msg00002.html",
        "defect": [
          "https://bugzilla.suse.com/1038984"
        ],
        "discovery": "INTERNAL"
      },
      "title": "libzypp accepts unsigned packages even when configured to check signatures",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@microfocus.com",
          "DATE_PUBLIC": "2017-08-03T00:00:00.000Z",
          "ID": "CVE-2017-7436",
          "STATE": "PUBLIC",
          "TITLE": "libzypp accepts unsigned packages even when configured to check signatures"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "libzypp",
                      "version": {
                        "version_data": [
                          {
                            "affected": "\u003c",
                            "version_affected": "\u003c",
                            "version_value": "20170803"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "SUSE"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "Boleslaw Tokarski"
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "In libzypp before 20170803 it was possible to retrieve unsigned packages without a warning to the user which could lead to man in the middle or malicious servers to inject malicious RPM packages into a users system."
            }
          ]
        },
        "impact": {
          "cvss": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.1,
            "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:H",
            "version": "3.0"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Missing UI interaction when using unsigned packages could lead to use of malicious packages."
                }
              ]
            }
          ]
        },
        "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=1038984",
              "refsource": "CONFIRM",
              "url": "https://bugzilla.suse.com/show_bug.cgi?id=1038984"
            },
            {
              "name": "https://www.suse.com/de-de/security/cve/CVE-2017-7436/",
              "refsource": "CONFIRM",
              "url": "https://www.suse.com/de-de/security/cve/CVE-2017-7436/"
            }
          ]
        },
        "source": {
          "advisory": "https://lists.opensuse.org/opensuse-security-announce/2017-08/msg00002.html",
          "defect": [
            "https://bugzilla.suse.com/1038984"
          ],
          "discovery": "INTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f81092c5-7f14-476d-80dc-24857f90be84",
    "assignerShortName": "microfocus",
    "cveId": "CVE-2017-7436",
    "datePublished": "2018-03-01T19:00:00.000Z",
    "dateReserved": "2017-04-05T00:00:00.000Z",
    "dateUpdated": "2024-09-16T19:09:24.691Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2017-7436",
      "date": "2026-07-25",
      "epss": "0.01843",
      "percentile": "0.76807"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:opensuse:libzypp:*:*:*:*:*:*:*:*\", \"versionEndIncluding\": \"16.15.2\", \"matchCriteriaId\": \"4CAACEA3-7214-40A7-B212-DE6BED99F2C7\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"In libzypp before 20170803 it was possible to retrieve unsigned packages without a warning to the user which could lead to man in the middle or malicious servers to inject malicious RPM packages into a users system.\"}, {\"lang\": \"es\", \"value\": \"En libzypp, en versiones anteriores a la 20170803, fue posible recuperar paquetes no firmados sin avisar al usuario. Esto pod\\u00eda resultar en que un atacante Man-in-the-Middle (MitM) o servidores maliciosos inyectasen paquetes RPM maliciosos en el sistema de un usuario.\"}]",
      "id": "CVE-2017-7436",
      "lastModified": "2024-11-21T03:31:53.840",
      "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:H\", \"baseScore\": 8.1, \"baseSeverity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 2.2, \"impactScore\": 5.9}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.0\", \"vectorString\": \"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"baseScore\": 8.1, \"baseSeverity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 2.2, \"impactScore\": 5.9}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:M/Au:N/C:C/I:C/A:C\", \"baseScore\": 9.3, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"MEDIUM\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"COMPLETE\", \"integrityImpact\": \"COMPLETE\", \"availabilityImpact\": \"COMPLETE\"}, \"baseSeverity\": \"HIGH\", \"exploitabilityScore\": 8.6, \"impactScore\": 10.0, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2018-03-01T20:29:00.693",
      "references": "[{\"url\": \"https://bugzilla.suse.com/show_bug.cgi?id=1038984\", \"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-2017-7436/\", \"source\": \"security@opentext.com\"}, {\"url\": \"https://bugzilla.suse.com/show_bug.cgi?id=1038984\", \"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-2017-7436/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}]",
      "sourceIdentifier": "security@opentext.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-20\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2017-7436\",\"sourceIdentifier\":\"security@opentext.com\",\"published\":\"2018-03-01T20:29:00.693\",\"lastModified\":\"2024-11-21T03:31:53.840\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In libzypp before 20170803 it was possible to retrieve unsigned packages without a warning to the user which could lead to man in the middle or malicious servers to inject malicious RPM packages into a users system.\"},{\"lang\":\"es\",\"value\":\"En libzypp, en versiones anteriores a la 20170803, fue posible recuperar paquetes no firmados sin avisar al usuario. Esto pod\u00eda resultar en que un atacante Man-in-the-Middle (MitM) o servidores maliciosos inyectasen paquetes RPM maliciosos en el sistema de un usuario.\"}],\"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:H\",\"baseScore\":8.1,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.2,\"impactScore\":5.9},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":8.1,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.2,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:C/I:C/A:C\",\"baseScore\":9.3,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":8.6,\"impactScore\":10.0,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"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:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"16.15.2\",\"matchCriteriaId\":\"4CAACEA3-7214-40A7-B212-DE6BED99F2C7\"}]}]}],\"references\":[{\"url\":\"https://bugzilla.suse.com/show_bug.cgi?id=1038984\",\"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-2017-7436/\",\"source\":\"security@opentext.com\"},{\"url\":\"https://bugzilla.suse.com/show_bug.cgi?id=1038984\",\"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-2017-7436/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-07-19T18:33:46Z",
      "cve": "CVE-2017-7436",
      "id": "CVE-2017-7436",
      "initial_release_date": "2023-02-15T04:47:51Z",
      "product_status:known_affected": "347",
      "product_status:known_not_affected": "30",
      "product_status:recommended": "494",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2017-7436",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2017-7436.json",
      "version": "41"
    }
  }
}

ubuntu-cve-2017-7436

Vulnerability from osv_ubuntu

Published

2018-03-01 20:29

Modified

2026-04-22 07:38

Summary

Details

Severity

8.1 (High)


                    
                      CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

8.1 (High)


                    
                      CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2017-7436	REPORT
	https://www.cve.org/CVERecord?id=CVE-2017-7436	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libzypp",
            "binary_version": "15.3.0-1build1"
          },
          {
            "binary_name": "libzypp-bin",
            "binary_version": "15.3.0-1build1"
          },
          {
            "binary_name": "libzypp-common",
            "binary_version": "15.3.0-1build1"
          },
          {
            "binary_name": "libzypp-config",
            "binary_version": "15.3.0-1build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "libzypp",
        "purl": "pkg:deb/ubuntu/libzypp@15.3.0-1build1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "15.3.0-1build1"
      ]
    }
  ],
  "aliases": [],
  "details": "In libzypp before 20170803 it was possible to retrieve unsigned packages without a warning to the user which could lead to man in the middle or malicious servers to inject malicious RPM packages into a users system.",
  "id": "UBUNTU-CVE-2017-7436",
  "modified": "2026-04-22T07:38:13Z",
  "published": "2018-03-01T20:29:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2017-7436"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2017-7436"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2017-7436"
  ]
}

Sightings

Author	Source	Type	Date	Other

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.

Action not permitted

CVE-2017-7436 (GCVE-0-2017-7436)

ubuntu-cve-2017-7436

Vulnerability from osv_ubuntu

Tags

Sightings

Nomenclature