Is CVE-2018-6558 in the CISA KEV catalog?

No. CVE-2018-6558 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-6558?

CVE-2018-6558 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2018-6558?

CVE-2018-6558 has an EPSS score of 0.62% (46th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-6558?

Upgrade fscrypt on debian 11 to 0.2.4-1 or later.

CVE & CISA-KEV Catalog

CVE-2018-6558

MEDIUM

6.5

CVSS v3

NVD

Description

The pam_fscrypt module in fscrypt before 0.2.4 may incorrectly restore primary and supplementary group IDs to the values associated with the root user, which allows attackers to gain privileges via a successful login through certain applications that use Linux-PAM (aka pam).

How to fix

Remediation Available

fscryptDebian

Fixed in:0.2.4-1CVE-2018-6558

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Exploit Intelligence

0.62%probability of exploitation in 30 days

46thpercentile

Moderate risk: more likely to be exploited than 46% of all known CVEs.

References

Patch3

Third-Party Advisory1

github.com

Embed a live status badge for CVE-2018-6558

Markdown

[![CVE-2018-6558](https://tridentstack.com/cve/badge/CVE-2018-6558.svg)](https://tridentstack.com/cve/CVE-2018-6558)

HTML

<a href="https://tridentstack.com/cve/CVE-2018-6558"><img src="https://tridentstack.com/cve/badge/CVE-2018-6558.svg" alt="CVE-2018-6558"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.