MitreCVELIST:CVE-2019-11328CVE-2019-11328
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.
References
lists.opensuse.org/opensuse-security-announce/2019-10/msg00028.html
lists.opensuse.org/opensuse-security-announce/2020-07/msg00059.html
www.openwall.com/lists/oss-security/2019/05/16/1
www.securityfocus.com/bid/108360
github.com/sylabs/singularity/releases/tag/v3.2.0
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5O3TPL5OOTIZEI4H6IQBCCISBARJ6WL3/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LIHV7DSEVTB5SUPEZ2UXGS3Q6WMEQSO2/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LNU5BUHFOTYUZVHFUSX2VG4S3RCPUEMA/
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