Is CVE-2018-12228 in the CISA KEV catalog?

No. CVE-2018-12228 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-12228?

CVE-2018-12228 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2018-12228?

CVE-2018-12228 has an EPSS score of 6.78% (93th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-12228?

Upgrade asterisk to 15.4.1 or later.

CVE & CISA-KEV Catalog

CVE-2018-12228

MEDIUMEPSS 93th pctl

6.5

CVSS v3

NVD

Description

An issue was discovered in Asterisk Open Source 15.x before 15.4.1. When connected to Asterisk via TCP/TLS, if the client abruptly disconnects, or sends a specially crafted message, then Asterisk gets caught in an infinite loop while trying to read the data stream. This renders the system unusable.

CWE-835

How to fix

Remediation Available

asteriskNVD

Affected:>= 15.0, < 15.4.1Fixed in:15.4.1CVE-2018-12228derived from NVD

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

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

6.78%probability of exploitation in 30 days

93rdpercentile

High risk: more likely to be exploited than 93% of all known CVEs.

References

Exploit1

issues.asterisk.org

Vendor Advisory1

downloads.asterisk.org

Third-Party Advisory1

securityfocus.com

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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.