Is CVE-2018-6003 in the CISA KEV catalog?

No. CVE-2018-6003 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-6003?

CVE-2018-6003 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2018-6003?

CVE-2018-6003 has an EPSS score of 2.84% (85th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-6003?

Upgrade libtasn1-6 on debian 11 to 4.13-2 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2018-6003

HIGHEPSS 85th pctl

7.5

CVSS v3

NVD

Description

An issue was discovered in the _asn1_decode_simple_ber function in decoding.c in GNU Libtasn1 before 4.13. Unlimited recursion in the BER decoder leads to stack exhaustion and DoS.

CWE-674

How to fix

Remediation Available

libtasn1-6Debian

Fixed in:4.13-2CVE-2018-6003

libtasn1-6Ubuntu

Fixed in:3.4-3ubuntu0.6USN-3547-1

Fixed in:4.7-3ubuntu0.16.04.3USN-3547-1

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 VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

2.84%probability of exploitation in 30 days

85thpercentile

Elevated risk: more likely to be exploited than 85% of all known CVEs.

References

Patch1

git.savannah.nongnu.org

Third-Party Advisory4

Other references2

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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.