Vulnerability in Red Hat, Inc. Rubygem-safemode

CVE-2017-7540

rubygem-safemode, as used in Foreman, versions 1.3.2 and earlier are vulnerable to bypassing safe mode limitations via special Ruby syntax. This can lead to deletion of objects for which the user does not have delete permissions or possibl…

EPSS: 0.016 (73.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-7540?
CVE-2017-7540 is a critical-severity vulnerability in Red Hat, Inc. Rubygem-safemode, classified under Incomplete List of Disallowed Inputs. CVSS score: 9.8/10. Published 2017-07-21.
How severe is CVE-2017-7540?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2017-7540 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.