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.
{
"unresolved_ranges": [
{
"extracted_events": [
{
"introduced": "28"
},
{
"last_affected": "28"
},
{
"introduced": "29"
},
{
"last_affected": "29"
},
{
"introduced": "30"
},
{
"last_affected": "30"
}
],
"vendor_product": "fedoraproject:fedora",
"source": "CPE_STRING",
"cpes": [
"cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:*",
"cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*",
"cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*"
]
},
{
"extracted_events": [
{
"introduced": "sle-15-NA"
},
{
"last_affected": "sle-15-NA"
},
{
"introduced": "sle-15-sp1"
},
{
"last_affected": "sle-15-sp1"
}
],
"vendor_product": "opensuse:backports",
"source": "CPE_STRING",
"cpes": [
"cpe:2.3:o:opensuse:backports:sle-15:-:*:*:*:*:*:*",
"cpe:2.3:o:opensuse:backports:sle-15:sp1:*:*:*:*:*:*"
]
},
{
"extracted_events": [
{
"introduced": "15.1"
},
{
"last_affected": "15.1"
}
],
"vendor_product": "opensuse:leap",
"source": "CPE_STRING",
"cpes": [
"cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*"
]
},
{
"extracted_events": [
{
"introduced": "3.2.0-NA"
},
{
"last_affected": "3.2.0-NA"
}
],
"vendor_product": "sylabs:singularity",
"source": "CPE_STRING",
"cpes": [
"cpe:2.3:a:sylabs:singularity:3.2.0:-:*:*:*:*:*:*"
]
}
]
}{
"extracted_events": [
{
"introduced": "3.1.0"
},
{
"fixed": "3.2.0"
},
{
"introduced": "3.2.0-NA"
},
{
"last_affected": "3.2.0-NA"
},
{
"introduced": "3.2.0-rc1"
},
{
"last_affected": "3.2.0-rc1"
},
{
"introduced": "3.2.0-rc2"
},
{
"last_affected": "3.2.0-rc2"
}
],
"cpe": [
"cpe:2.3:a:sylabs:singularity:*:*:*:*:*:*:*:*",
"cpe:2.3:a:sylabs:singularity:3.2.0:-:*:*:*:*:*:*",
"cpe:2.3:a:sylabs:singularity:3.2.0:rc1:*:*:*:*:*:*",
"cpe:2.3:a:sylabs:singularity:3.2.0:rc2:*:*:*:*:*:*"
],
"source": [
"CPE_RANGE",
"CPE_STRING",
"REFERENCES"
]
}