Is CVE-2018-19976 in the CISA KEV catalog?

No. CVE-2018-19976 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-19976?

CVE-2018-19976 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2018-19976?

CVE-2018-19976 has an EPSS score of 1.28% (66th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-19976?

Upgrade yara on debian 11 to 3.8.1-2 or later. Fixes are available for 5 affected products.

CVE & CISA-KEV Catalog

CVE-2018-19976

MEDIUM

5.5

CVSS v3

NVD

Description

In YARA 3.8.1, bytecode in a specially crafted compiled rule is exposed to information about its environment, in libyara/exec.c. This is a consequence of the design of the YARA virtual machine.

CWE-200Information Exposure

How to fix

Remediation Available

yaraDebian

Fixed in:3.8.1-2CVE-2018-19976

libyara3Ubuntu

Fixed in:3.4.0+dfsg-2ubuntu0.1~esm1USN-8080-1

Fixed in:3.7.1-1ubuntu2+esm1USN-8080-1

Fixed in:3.9.0-1ubuntu0.1~esm1USN-8080-1

python-yaraUbuntu

Fixed in:3.4.0+dfsg-2ubuntu0.1~esm1USN-8080-1

python3-yaraUbuntu

Fixed in:3.4.0+dfsg-2ubuntu0.1~esm1USN-8080-1

yaraUbuntu

Fixed in:3.4.0+dfsg-2ubuntu0.1~esm1USN-8080-1

Fixed in:3.7.1-1ubuntu2+esm1USN-8080-1

Fixed in:3.9.0-1ubuntu0.1~esm1USN-8080-1

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 VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

1.28%probability of exploitation in 30 days

66thpercentile

Moderate risk: more likely to be exploited than 66% of all known CVEs.

References

Exploit3

Other references1

lists.fedoraproject.org

Related Vulnerabilities

Other CWE-200 (Information Exposure) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-24919	High	8.6	100%	KEV + Ransom	-
CVE-2020-14181	Medium	5.3	100%	-	Fix
CVE-2021-34429	Medium	5.3	99%	-	Fix
CVE-2018-11409	Medium	5.3	98%	-	-
CVE-2021-41277	Critical	10.0	97%	KEV	-
CVE-2016-2183	High	7.5	96%	-	Fix

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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.