Medium severity · published Jul 5, 2018
CVE-2018-12021
Singularity 2.3.0 through 2.5.1 is affected by an incorrect access control on systems supporting overlay file system
6.5
CVSS
1.5%
EPSS
No
On KEV
Description
Singularity 2.3.0 through 2.5.1 is affected by an incorrect access control on systems supporting overlay file system. When using the overlay option, a malicious user may access sensitive information by exploiting a few specific Singularity features.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 74% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SI
Singularity · Sylabs
2.3.0 through 2.5.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-12021
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-12021
www.openwall.com
http://www.openwall.com/lists/oss-security/2019/05/16/1
Release Notes
https://github.com/singularityware/singularity/releases/tag/2.5.2
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