CVE-2019-18898 (GCVE-0-2019-18898)

Vulnerability from cvelistv5 – Published: 2020-01-23 14:05 – Updated: 2024-09-16 18:24
VLAI
Title
trousers: Local privilege escalation from tss to root
Summary
UNIX Symbolic Link (Symlink) Following vulnerability in the trousers package of SUSE Linux Enterprise Server 15 SP1; openSUSE Factory allowed local attackers escalate privileges from user tss to root. This issue affects: SUSE Linux Enterprise Server 15 SP1 trousers versions prior to 0.3.14-6.3.1. openSUSE Factory trousers versions prior to 0.3.14-7.1.
Severity
7.7 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE
  • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
Impacted products
Vendor Product Version
SUSE SUSE Linux Enterprise Server 15 SP1 Affected: trousers , < 0.3.14-6.3.1 (custom)
Create a notification for this product.
openSUSE Factory Affected: trousers , < 0.3.14-7.1 (custom)
Create a notification for this product.
Date Public
2019-11-26 00:00
Credits
Johannes Segitz from SUSE
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T02:02:39.883Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "openSUSE-SU-2020:0744",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00066.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bugzilla.suse.com/show_bug.cgi?id=1157651"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "SUSE Linux Enterprise Server 15 SP1",
          "vendor": "SUSE",
          "versions": [
            {
              "lessThan": "0.3.14-6.3.1",
              "status": "affected",
              "version": "trousers",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Factory",
          "vendor": "openSUSE",
          "versions": [
            {
              "lessThan": "0.3.14-7.1",
              "status": "affected",
              "version": "trousers",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Johannes Segitz from SUSE"
        }
      ],
      "datePublic": "2019-11-26T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "UNIX Symbolic Link (Symlink) Following vulnerability in the trousers package of SUSE Linux Enterprise Server 15 SP1; openSUSE Factory allowed local attackers escalate privileges from user tss to root. This issue affects: SUSE Linux Enterprise Server 15 SP1 trousers versions prior to 0.3.14-6.3.1. openSUSE Factory trousers versions prior to 0.3.14-7.1."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 7.7,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-59",
              "description": "CWE-59: Improper Link Resolution Before File Access (\u0027Link Following\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-11-20T15:45:08.000Z",
        "orgId": "404e59f5-483d-4b8a-8e7a-e67604dd8afb",
        "shortName": "suse"
      },
      "references": [
        {
          "name": "openSUSE-SU-2020:0744",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00066.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugzilla.suse.com/show_bug.cgi?id=1157651"
        }
      ],
      "source": {
        "advisory": "https://bugzilla.suse.com/show_bug.cgi?id=1157651",
        "defect": [
          "1157651"
        ],
        "discovery": "INTERNAL"
      },
      "title": "trousers: Local privilege escalation from tss to root",
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@suse.com",
          "DATE_PUBLIC": "2019-11-26T00:00:00.000Z",
          "ID": "CVE-2019-18898",
          "STATE": "PUBLIC",
          "TITLE": "trousers: Local privilege escalation from tss to root"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "SUSE Linux Enterprise Server 15 SP1",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_name": "trousers",
                            "version_value": "0.3.14-6.3.1"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "SUSE"
              },
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Factory",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_name": "trousers",
                            "version_value": "0.3.14-7.1"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "openSUSE"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "Johannes Segitz from SUSE"
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "UNIX Symbolic Link (Symlink) Following vulnerability in the trousers package of SUSE Linux Enterprise Server 15 SP1; openSUSE Factory allowed local attackers escalate privileges from user tss to root. This issue affects: SUSE Linux Enterprise Server 15 SP1 trousers versions prior to 0.3.14-6.3.1. openSUSE Factory trousers versions prior to 0.3.14-7.1."
            }
          ]
        },
        "generator": {
          "engine": "Vulnogram 0.0.9"
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 7.7,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-59: Improper Link Resolution Before File Access (\u0027Link Following\u0027)"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "openSUSE-SU-2020:0744",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00066.html"
            },
            {
              "name": "https://bugzilla.suse.com/show_bug.cgi?id=1157651",
              "refsource": "CONFIRM",
              "url": "https://bugzilla.suse.com/show_bug.cgi?id=1157651"
            }
          ]
        },
        "source": {
          "advisory": "https://bugzilla.suse.com/show_bug.cgi?id=1157651",
          "defect": [
            "1157651"
          ],
          "discovery": "INTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "404e59f5-483d-4b8a-8e7a-e67604dd8afb",
    "assignerShortName": "suse",
    "cveId": "CVE-2019-18898",
    "datePublished": "2020-01-23T14:05:14.446Z",
    "dateReserved": "2019-11-12T00:00:00.000Z",
    "dateUpdated": "2024-09-16T18:24:53.684Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2019-18898",
      "date": "2026-05-28",
      "epss": "0.00148",
      "percentile": "0.3504"
    },
    "fkie_nvd": {
      "configurations": "[{\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:suse:trousers:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"0.3.14-6.3.1\", \"matchCriteriaId\": \"30F83609-2CE3-4073-819D-8D5F548C0324\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:o:suse:suse_linux_enterprise_server:15:sp1:*:*:*:*:*:*\", \"matchCriteriaId\": \"7642C831-6063-4405-A352-431CE374458A\"}]}]}, {\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:suse:trousers:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"0.3.14-7.1\", \"matchCriteriaId\": \"A115FCF0-E6FF-4B0C-BA91-1798C335ED0D\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:o:suse:opensuse_factory:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"64D9A5D6-4B12-4B25-ACD2-560C864B6FE1\"}]}]}, {\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"B620311B-34A3-48A6-82DF-6F078D7A4493\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"UNIX Symbolic Link (Symlink) Following vulnerability in the trousers package of SUSE Linux Enterprise Server 15 SP1; openSUSE Factory allowed local attackers escalate privileges from user tss to root. This issue affects: SUSE Linux Enterprise Server 15 SP1 trousers versions prior to 0.3.14-6.3.1. openSUSE Factory trousers versions prior to 0.3.14-7.1.\"}, {\"lang\": \"es\", \"value\": \"Enlace simb\\u00f3lico de UNIX (Symlink) Siguiendo la vulnerabilidad en el paquete trousers de SUSE Linux Enterprise Server 15 SP1; Los atacantes locales permitidos por openSUSE Factory escalan los privilegios del usuario tss al root. Este problema afecta a: SUSE Linux Enterprise Server 15 SP1 versiones de trousers anteriores a la versi\\u00f3n 0.3.14-6.3.1. Versiones de trousers openSUSE Factory anteriores a  la versi\\u00f3n 0.3.14-7.1.\"}]",
      "id": "CVE-2019-18898",
      "lastModified": "2024-11-21T04:33:48.173",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"meissner@suse.de\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N\", \"baseScore\": 7.7, \"baseSeverity\": \"HIGH\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 2.5, \"impactScore\": 5.2}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"baseScore\": 7.8, \"baseSeverity\": \"HIGH\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 5.9}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:L/AC:L/Au:N/C:C/I:C/A:C\", \"baseScore\": 7.2, \"accessVector\": \"LOCAL\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"COMPLETE\", \"integrityImpact\": \"COMPLETE\", \"availabilityImpact\": \"COMPLETE\"}, \"baseSeverity\": \"HIGH\", \"exploitabilityScore\": 3.9, \"impactScore\": 10.0, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2020-01-23T14:15:12.327",
      "references": "[{\"url\": \"http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00066.html\", \"source\": \"meissner@suse.de\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"https://bugzilla.suse.com/show_bug.cgi?id=1157651\", \"source\": \"meissner@suse.de\", \"tags\": [\"Exploit\", \"Issue Tracking\", \"Vendor Advisory\"]}, {\"url\": \"http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00066.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"https://bugzilla.suse.com/show_bug.cgi?id=1157651\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Exploit\", \"Issue Tracking\", \"Vendor Advisory\"]}]",
      "sourceIdentifier": "meissner@suse.de",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"meissner@suse.de\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-59\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-59\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2019-18898\",\"sourceIdentifier\":\"meissner@suse.de\",\"published\":\"2020-01-23T14:15:12.327\",\"lastModified\":\"2024-11-21T04:33:48.173\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"UNIX Symbolic Link (Symlink) Following vulnerability in the trousers package of SUSE Linux Enterprise Server 15 SP1; openSUSE Factory allowed local attackers escalate privileges from user tss to root. This issue affects: SUSE Linux Enterprise Server 15 SP1 trousers versions prior to 0.3.14-6.3.1. openSUSE Factory trousers versions prior to 0.3.14-7.1.\"},{\"lang\":\"es\",\"value\":\"Enlace simb\u00f3lico de UNIX (Symlink) Siguiendo la vulnerabilidad en el paquete trousers de SUSE Linux Enterprise Server 15 SP1; Los atacantes locales permitidos por openSUSE Factory escalan los privilegios del usuario tss al root. Este problema afecta a: SUSE Linux Enterprise Server 15 SP1 versiones de trousers anteriores a la versi\u00f3n 0.3.14-6.3.1. Versiones de trousers openSUSE Factory anteriores a  la versi\u00f3n 0.3.14-7.1.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"meissner@suse.de\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N\",\"baseScore\":7.7,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.5,\"impactScore\":5.2},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:C/I:C/A:C\",\"baseScore\":7.2,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":3.9,\"impactScore\":10.0,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"meissner@suse.de\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-59\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-59\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:suse:trousers:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"0.3.14-6.3.1\",\"matchCriteriaId\":\"30F83609-2CE3-4073-819D-8D5F548C0324\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:suse:suse_linux_enterprise_server:15:sp1:*:*:*:*:*:*\",\"matchCriteriaId\":\"7642C831-6063-4405-A352-431CE374458A\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:suse:trousers:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"0.3.14-7.1\",\"matchCriteriaId\":\"A115FCF0-E6FF-4B0C-BA91-1798C335ED0D\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:suse:opensuse_factory:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"64D9A5D6-4B12-4B25-ACD2-560C864B6FE1\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B620311B-34A3-48A6-82DF-6F078D7A4493\"}]}]}],\"references\":[{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00066.html\",\"source\":\"meissner@suse.de\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://bugzilla.suse.com/show_bug.cgi?id=1157651\",\"source\":\"meissner@suse.de\",\"tags\":[\"Exploit\",\"Issue Tracking\",\"Vendor Advisory\"]},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00066.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://bugzilla.suse.com/show_bug.cgi?id=1157651\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Issue Tracking\",\"Vendor Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.