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  <DocumentTitle xml:lang="en">Security update for google-compute-engine</DocumentTitle>
  <DocumentType>SUSE Patch</DocumentType>
  <DocumentPublisher Type="Vendor">
    <ContactDetails>security@suse.de</ContactDetails>
    <IssuingAuthority>SUSE Security Team</IssuingAuthority>
  </DocumentPublisher>
  <DocumentTracking>
    <Identification>
      <ID>SUSE-SU-2020:2200-1</ID>
    </Identification>
    <Status>Final</Status>
    <Version>1</Version>
    <RevisionHistory>
      <Revision>
        <Number>1</Number>
        <Date>2020-08-11T11:34:49Z</Date>
        <Description>current</Description>
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    <InitialReleaseDate>2020-08-11T11:34:49Z</InitialReleaseDate>
    <CurrentReleaseDate>2020-08-11T11:34:49Z</CurrentReleaseDate>
    <Generator>
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      <Date>2017-02-24T01:00:00Z</Date>
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  <DocumentNotes>
    <Note Title="Topic" Type="Summary" Ordinal="1" xml:lang="en">Security update for google-compute-engine</Note>
    <Note Title="Details" Type="General" Ordinal="2" xml:lang="en">This update for google-compute-engine fixes the following issues:

- Do not add the created user to the adm (CVE-2020-8903), docker (CVE-2020-8907), or lxd (CVE-2020-8933) groups if they exist (bsc#1173258).
- Don't enable and start google-network-daemon.service when it's already installed (bsc#1169978).
</Note>
    <Note Title="Terms of Use" Type="Legal Disclaimer" Ordinal="3" xml:lang="en">The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).</Note>
    <Note Title="Patchnames" Type="Details" Ordinal="4" xml:lang="en">SUSE-2020-2200,SUSE-SLE-Module-Public-Cloud-12-2020-2200</Note>
  </DocumentNotes>
  <DocumentDistribution xml:lang="en">Copyright SUSE LLC under the Creative Commons License 4.0 with Attribution (CC-BY-4.0)</DocumentDistribution>
  <DocumentReferences>
    <Reference Type="Self">
      <URL>https://www.suse.com/support/update/announcement/2020/suse-su-20202200-1/</URL>
      <Description>Link for SUSE-SU-2020:2200-1</Description>
    </Reference>
    <Reference Type="Self">
      <URL>https://lists.suse.com/pipermail/sle-security-updates/2020-August/007248.html</URL>
      <Description>E-Mail link for SUSE-SU-2020:2200-1</Description>
    </Reference>
    <Reference Type="Self">
      <URL>https://www.suse.com/support/security/rating/</URL>
      <Description>SUSE Security Ratings</Description>
    </Reference>
    <Reference Type="Self">
      <URL>https://bugzilla.suse.com/1169978</URL>
      <Description>SUSE Bug 1169978</Description>
    </Reference>
    <Reference Type="Self">
      <URL>https://bugzilla.suse.com/1173258</URL>
      <Description>SUSE Bug 1173258</Description>
    </Reference>
    <Reference Type="Self">
      <URL>https://www.suse.com/security/cve/CVE-2020-8903/</URL>
      <Description>SUSE CVE CVE-2020-8903 page</Description>
    </Reference>
    <Reference Type="Self">
      <URL>https://www.suse.com/security/cve/CVE-2020-8907/</URL>
      <Description>SUSE CVE CVE-2020-8907 page</Description>
    </Reference>
    <Reference Type="Self">
      <URL>https://www.suse.com/security/cve/CVE-2020-8933/</URL>
      <Description>SUSE CVE CVE-2020-8933 page</Description>
    </Reference>
  </DocumentReferences>
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    <Notes>
      <Note Title="Vulnerability Description" Type="General" Ordinal="1" xml:lang="en">A vulnerability in Google Cloud Platform's guest-oslogin versions between 20190304 and 20200507 allows a user that is only granted the role "roles/compute.osLogin" to escalate privileges to root. Using their membership to the "adm" group, users with this role are able to read the DHCP XID from the systemd journal. Using the DHCP XID, it is then possible to set the IP address and hostname of the instance to any value, which is then stored in /etc/hosts. An attacker can then point metadata.google.internal to an arbitrary IP address and impersonate the GCE metadata server which make it is possible to instruct the OS Login PAM module to grant administrative privileges. All images created after 2020-May-07 (20200507) are fixed, and if you cannot update, we recommend you edit /etc/group/security.conf and remove the "adm" user from the OS Login entry.</Note>
    </Notes>
    <CVE>CVE-2020-8903</CVE>
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      </Status>
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      <Threat Type="Impact">
        <Description>important</Description>
      </Threat>
    </Threats>
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      <ScoreSetV2>
        <BaseScoreV2>6.9</BaseScoreV2>
        <VectorV2>AV:L/AC:M/Au:N/C:C/I:C/A:C</VectorV2>
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      <ScoreSetV3>
        <BaseScoreV3>7.8</BaseScoreV3>
        <VectorV3>CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H</VectorV3>
      </ScoreSetV3>
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      <Remediation Type="Vendor Fix">
        <Description xml:lang="en">To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
</Description>
        <URL>https://www.suse.com/support/update/announcement/2020/suse-su-20202200-1/</URL>
      </Remediation>
    </Remediations>
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      <Reference>
        <URL>https://www.suse.com/security/cve/CVE-2020-8903.html</URL>
        <Description>CVE-2020-8903</Description>
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      <Reference>
        <URL>https://bugzilla.suse.com/1173258</URL>
        <Description>SUSE Bug 1173258</Description>
      </Reference>
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    <Notes>
      <Note Title="Vulnerability Description" Type="General" Ordinal="1" xml:lang="en">A vulnerability in Google Cloud Platform's guest-oslogin versions between 20190304 and 20200507 allows a user that is only granted the role "roles/compute.osLogin" to escalate privileges to root. Using their membership to the "docker" group, an attacker with this role is able to run docker and mount the host OS. Within docker, it is possible to modify the host OS filesystem and modify /etc/groups to gain administrative privileges. All images created after 2020-May-07 (20200507) are fixed, and if you cannot update, we recommend you edit /etc/group/security.conf and remove the "docker" user from the OS Login entry.</Note>
    </Notes>
    <CVE>CVE-2020-8907</CVE>
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        <Description>important</Description>
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        <VectorV2>AV:L/AC:M/Au:N/C:C/I:C/A:C</VectorV2>
      </ScoreSetV2>
      <ScoreSetV3>
        <BaseScoreV3>7.8</BaseScoreV3>
        <VectorV3>CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H</VectorV3>
      </ScoreSetV3>
    </CVSSScoreSets>
    <Remediations>
      <Remediation Type="Vendor Fix">
        <Description xml:lang="en">To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
</Description>
        <URL>https://www.suse.com/support/update/announcement/2020/suse-su-20202200-1/</URL>
      </Remediation>
    </Remediations>
    <References>
      <Reference>
        <URL>https://www.suse.com/security/cve/CVE-2020-8907.html</URL>
        <Description>CVE-2020-8907</Description>
      </Reference>
      <Reference>
        <URL>https://bugzilla.suse.com/1173258</URL>
        <Description>SUSE Bug 1173258</Description>
      </Reference>
    </References>
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  <vuln:Vulnerability xmlns="http://docs.oasis-open.org/csaf/ns/csaf-cvrf/v1.2/vuln" Ordinal="3">
    <Notes>
      <Note Title="Vulnerability Description" Type="General" Ordinal="1" xml:lang="en">A vulnerability in Google Cloud Platform's guest-oslogin versions between 20190304 and 20200507 allows a user that is only granted the role "roles/compute.osLogin" to escalate privileges to root. Using the membership to the "lxd" group, an attacker can attach host devices and filesystems. Within an lxc container, it is possible to attach the host OS filesystem and modify /etc/sudoers to then gain administrative privileges. All images created after 2020-May-07 (20200507) are fixed, and if you cannot update, we recommend you edit /etc/group/security.conf and remove the "lxd" user from the OS Login entry.</Note>
    </Notes>
    <CVE>CVE-2020-8933</CVE>
    <ProductStatuses>
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        <ProductID>SUSE Linux Enterprise Module for Public Cloud 12:google-compute-engine-init-20190801-54.1</ProductID>
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      </Status>
    </ProductStatuses>
    <Threats>
      <Threat Type="Impact">
        <Description>important</Description>
      </Threat>
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    <CVSSScoreSets>
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        <BaseScoreV2>6.9</BaseScoreV2>
        <VectorV2>AV:L/AC:M/Au:N/C:C/I:C/A:C</VectorV2>
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        <VectorV3>CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H</VectorV3>
      </ScoreSetV3>
    </CVSSScoreSets>
    <Remediations>
      <Remediation Type="Vendor Fix">
        <Description xml:lang="en">To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
</Description>
        <URL>https://www.suse.com/support/update/announcement/2020/suse-su-20202200-1/</URL>
      </Remediation>
    </Remediations>
    <References>
      <Reference>
        <URL>https://www.suse.com/security/cve/CVE-2020-8933.html</URL>
        <Description>CVE-2020-8933</Description>
      </Reference>
      <Reference>
        <URL>https://bugzilla.suse.com/1173258</URL>
        <Description>SUSE Bug 1173258</Description>
      </Reference>
    </References>
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