critical
9
CWE
732
Advisory Published
Advisory Published
Updated

CVE-2019-11328

First published: Tue May 14 2019(Updated: )

An issue was discovered in Singularity 3.1.0 to 3.2.0-rc2, a malicious user with local/network access to the host system (e.g. ssh) could exploit this vulnerability due to insecure permissions allowing a user to edit files within `/run/singularity/instances/sing/<user>/<instance>`. The manipulation of those files can change the behavior of the starter-suid program when instances are joined resulting in potential privilege escalation on the host.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Sylabs Singularity>=3.1.0<3.2.0
Sylabs Singularity=3.2.0
Sylabs Singularity=3.2.0-rc1
Sylabs Singularity=3.2.0-rc2
Fedoraproject Fedora=28
Fedoraproject Fedora=29
Fedoraproject Fedora=30
Opensuse Backports=sle-15
Opensuse Backports=sle-15-sp1
openSUSE Leap=15.1

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Reference Links

Frequently Asked Questions

  • What is the vulnerability ID?

    The vulnerability ID is CVE-2019-11328.

  • What is the severity of CVE-2019-11328?

    CVE-2019-11328 has a severity rating of 8.8 (Critical).

  • What is the affected software for CVE-2019-11328?

    The affected software for CVE-2019-11328 includes Singularity versions 3.1.0 to 3.2.0-rc2, Sylabs Singularity, Fedora versions 28, 29, and 30, and openSUSE Leap 15.1.

  • How can a malicious user exploit CVE-2019-11328?

    A malicious user with local/network access to the host system can exploit CVE-2019-11328 by manipulating files within `/run/singularity/instances/sing/<user>/<instance>` due to insecure permissions.

  • How can CVE-2019-11328 be fixed?

    To fix CVE-2019-11328, it is recommended to update to Singularity version 3.2.0 or later, which includes a fix for the vulnerability.

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