Is CVE-2019-9704 in the CISA KEV catalog?

No. CVE-2019-9704 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-9704?

CVE-2019-9704 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2019-9704?

CVE-2019-9704 has an EPSS score of 0.35% (27th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-9704?

Upgrade cron on debian 11 to 3.0pl1-133 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2019-9704

MEDIUM

5.5

CVSS v3

NVD

Description

Vixie Cron before the 3.0pl1-133 Debian package allows local users to cause a denial of service (daemon crash) via a large crontab file because the calloc return value is not checked.

CWE-252 CWE-476NULL Pointer Dereference

How to fix

Remediation Available

cronDebian

Fixed in:3.0pl1-133CVE-2019-9704

cronUbuntu

Fixed in:3.0pl1-128ubuntu2+esm1USN-5259-1

Fixed in:3.0pl1-128.1ubuntu1.1USN-5259-2

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 RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.35%probability of exploitation in 30 days

27thpercentile

Low risk: more likely to be exploited than 27% of all known CVEs.

References

Patch1

salsa.debian.org

Third-Party Advisory3

Other references1

lists.fedoraproject.org

Related Vulnerabilities

Other CWE-252 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2005-4360	High	7.8	87%	-	-
CVE-2007-3798	Critical	9.8	70%	-	Fix
CVE-2010-0211	Critical	9.8	29%	-	Fix
CVE-2022-23626	High	8.5	9.9%	-	Fix
CVE-2019-10902	High	7.5	4.7%	-	-
CVE-2018-20216	High	7.5	3.9%	-	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.