<?xml version="1.0" encoding="UTF-8"?>
<cvrfdoc xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:cpe="http://cpe.mitre.org/language/2.0" xmlns:cvrf="http://docs.oasis-open.org/csaf/ns/csaf-cvrf/v1.2/cvrf" xmlns:cvrf-common="http://docs.oasis-open.org/csaf/ns/csaf-cvrf/v1.2/common" xmlns:cvssv2="http://scap.nist.gov/schema/cvss-v2/1.0" xmlns:cvssv3="https://www.first.org/cvss/cvss-v3.0.xsd" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:ns0="http://purl.org/dc/elements/1.1/" xmlns:prod="http://docs.oasis-open.org/csaf/ns/csaf-cvrf/v1.2/prod" xmlns:scap-core="http://scap.nist.gov/schema/scap-core/1.0" xmlns:sch="http://purl.oclc.org/dsdl/schematron" xmlns:vuln="http://docs.oasis-open.org/csaf/ns/csaf-cvrf/v1.2/vuln" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://docs.oasis-open.org/csaf/ns/csaf-cvrf/v1.2/cvrf">
  <DocumentTitle xml:lang="en">CVE-2018-3761</DocumentTitle>
  <DocumentType>SUSE CVE</DocumentType>
  <DocumentPublisher Type="Vendor">
    <ContactDetails>security@suse.de</ContactDetails>
    <IssuingAuthority>SUSE Security Team</IssuingAuthority>
  </DocumentPublisher>
  <DocumentTracking>
    <Identification>
      <ID>SUSE CVE-2018-3761</ID>
    </Identification>
    <Status>Interim</Status>
    <Version>1</Version>
    <RevisionHistory>
      <Revision>
        <Number>8</Number>
        <Date>2023-12-09T00:55:15Z</Date>
        <Description>current</Description>
      </Revision>
    </RevisionHistory>
    <InitialReleaseDate>2021-05-30T14:08:16Z</InitialReleaseDate>
    <CurrentReleaseDate>2023-12-09T00:55:15Z</CurrentReleaseDate>
    <Generator>
      <Engine>cve-database/bin/generate-cvrf-cve.pl</Engine>
      <Date>2020-12-27T01:00:00Z</Date>
    </Generator>
  </DocumentTracking>
  <DocumentNotes>
    <Note Title="CVE" Type="Summary" Ordinal="1" xml:lang="en">CVE-2018-3761</Note>
    <Note Title="Mitre CVE Description" Type="Description" Ordinal="2" xml:lang="en">Nextcloud Server before 12.0.8 and 13.0.3 suffer from improper authentication on the OAuth2 token endpoint. Missing checks potentially allowed handing out new tokens in case the OAuth2 client was partly compromised.</Note>
    <Note Title="Terms of Use" Type="Legal Disclaimer" Ordinal="4" xml:lang="en">The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).</Note>
  </DocumentNotes>
  <DocumentReferences>
    <Reference Type="Self">
      <URL>https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/RSHDIDRMLM7RS77R7KSNDMLMB2B2ZALH/#RSHDIDRMLM7RS77R7KSNDMLMB2B2ZALH</URL>
      <Description>E-Mail link for openSUSE-SU-2018:1924-1</Description>
    </Reference>
    <Reference Type="Self">
      <URL>https://www.suse.com/support/security/rating/</URL>
      <Description>SUSE Security Ratings</Description>
    </Reference>
  </DocumentReferences>
  <ProductTree xmlns="http://docs.oasis-open.org/csaf/ns/csaf-cvrf/v1.2/prod">
    <Branch Type="Product Family" Name="openSUSE Leap 15.0">
      <Branch Type="Product Name" Name="openSUSE Leap 15.0">
        <FullProductName ProductID="openSUSE Leap 15.0" CPE="cpe:/o:opensuse:leap:15.0">openSUSE Leap 15.0</FullProductName>
      </Branch>
    </Branch>
    <Branch Type="Product Version" Name="nextcloud-13.0.4-lp150.2.3.1">
      <FullProductName ProductID="nextcloud-13.0.4-lp150.2.3.1">nextcloud-13.0.4-lp150.2.3.1</FullProductName>
    </Branch>
    <Relationship ProductReference="nextcloud-13.0.4-lp150.2.3.1" RelationType="Default Component Of" RelatesToProductReference="openSUSE Leap 15.0">
      <FullProductName ProductID="openSUSE Leap 15.0:nextcloud-13.0.4-lp150.2.3.1">nextcloud-13.0.4-lp150.2.3.1 as a component of openSUSE Leap 15.0</FullProductName>
    </Relationship>
  </ProductTree>
  <Vulnerability xmlns="http://docs.oasis-open.org/csaf/ns/csaf-cvrf/v1.2/vuln" Ordinal="1">
    <Notes>
      <Note Title="Vulnerability Description" Type="General" Ordinal="1" xml:lang="en">Nextcloud Server before 12.0.8 and 13.0.3 suffer from improper authentication on the OAuth2 token endpoint. Missing checks potentially allowed handing out new tokens in case the OAuth2 client was partly compromised.</Note>
    </Notes>
    <CVE>CVE-2018-3761</CVE>
    <ProductStatuses>
      <Status Type="Fixed">
        <ProductID>openSUSE Leap 15.0:nextcloud-13.0.4-lp150.2.3.1</ProductID>
      </Status>
    </ProductStatuses>
    <Threats>
      <Threat Type="Impact">
        <Description>important</Description>
      </Threat>
    </Threats>
    <CVSSScoreSets>
      <ScoreSetV2>
        <BaseScoreV2>5.8</BaseScoreV2>
        <VectorV2>AV:N/AC:M/Au:N/C:P/I:P/A:N</VectorV2>
      </ScoreSetV2>
      <ScoreSetV3>
        <BaseScoreV3>8.1</BaseScoreV3>
        <VectorV3>CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N</VectorV3>
      </ScoreSetV3>
    </CVSSScoreSets>
  </Vulnerability>
</cvrfdoc>
