Information disclosure in Sylabs Singularity
CVE-2018-12021
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.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.016 (74.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 74.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/singularityware/singularity/releases/tag/2.5.2 (Third Party Advisory, Release Notes)
- www.openwall.com/lists/oss-security/2019/05/16/1 (mailing-list)
Frequently asked questions
- What is CVE-2018-12021?
- CVE-2018-12021 is a medium-severity vulnerability in Sylabs Singularity, classified under Information Disclosure. CVSS score: 6.5/10. Published 2018-07-05.
- How severe is CVE-2018-12021?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2018-12021 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.