Is CVE-2018-0739 in the CISA KEV catalog?

No. CVE-2018-0739 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-0739?

CVE-2018-0739 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2018-0739?

CVE-2018-0739 has an EPSS score of 19.30% (97th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-0739?

Upgrade libtomcrypt on debian 11 to 1.18.2-1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2018-0739

MEDIUMEPSS 97th pctl

6.5

CVSS v3

NVD

Description

Constructed ASN.1 types with a recursive definition (such as can be found in PKCS7) could eventually exceed the stack given malicious input with excessive recursion. This could result in a Denial Of Service attack. There are no such structures used within SSL/TLS that come from untrusted sources so this is considered safe. Fixed in OpenSSL 1.1.0h (Affected 1.1.0-1.1.0g). Fixed in OpenSSL 1.0.2o (Affected 1.0.2b-1.0.2n).

CWE-674

How to fix

Remediation Available

libtomcryptDebian

Fixed in:1.18.2-1CVE-2018-0739

libssl1.0.0Ubuntu

Fixed in:1.0.1f-1ubuntu2.24USN-3611-1

Fixed in:1.0.2g-1ubuntu4.11USN-3611-1

opensslUbuntu

Fixed in:1.0.1f-1ubuntu2.24USN-3611-1

Fixed in:1.0.2g-1ubuntu4.11USN-3611-1

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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 RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

19.30%probability of exploitation in 30 days

97thpercentile

Very high risk: more likely to be exploited than 97% of all known CVEs.

References

Related Vulnerabilities

Other CWE-674 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2024-25111	High	8.6	65%	-	Fix
CVE-2023-50269	High	8.6	58%	-	Fix
CVE-2021-42697	High	7.5	36%	-	Fix
CVE-2007-1285	High	7.5	18%	-	Fix
CVE-2017-8537	Medium	5.5	17%	-	-

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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.