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SwiftNIO SSL arbitrary code execution vulnerability

Critical severity GitHub Reviewed Published May 24, 2022 to the GitHub Advisory Database • Updated Jun 19, 2023

Package

swift github.com/apple/swift-nio-ssl (Swift)

Affected versions

< 2.4.1

Patched versions

2.4.1

Description

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

References

Published by the National Vulnerability Database Dec 18, 2019
Published to the GitHub Advisory Database May 24, 2022
Reviewed Jun 6, 2023
Last updated Jun 19, 2023

Severity

Critical
9.8
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

No CWEs

CVE ID

CVE-2019-8849

GHSA ID

GHSA-frg3-gpcx-968f

Source code

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