CVE-2019-8849 : The issue was addressed by signaling that an executable stack is not required. T

The issue was addressed by signaling that an executable stack is not required. This issue is fixed in SwiftNIO SSL 2.4.1. A SwiftNIO application using TLS may be able to execute arbitrary code.

Published 2019-12-18 18:15:45

Updated 2019-12-31 03:34:48

Source Apple Inc.

View at NVD, CVE.org

Vulnerability category: Execute code

Products affected by CVE-2019-8849

Apple » Swiftnio Ssl
Versions before (<) 2.4.1
cpe:2.3:a:apple:swiftnio_ssl:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2019-8849

EPSS FAQ

0.80%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 72 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2019-8849

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

References for CVE-2019-8849

https://support.apple.com/HT210772

About the security content of SwiftNIO SSL 2.4.1 - Apple Support
Vendor Advisory

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Vulnerability Details : CVE-2019-8849

Products affected by CVE-2019-8849

Exploit prediction scoring system (EPSS) score for CVE-2019-8849

CVSS scores for CVE-2019-8849

References for CVE-2019-8849