PT-2020-20813 · Apple · Swift

Fabianfett · Published 2020-11-02 · Updated 2021-07-21 · CVE-2020-9861

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Swift for Linux (affected versions not specified)

Description A stack overflow issue existed due to deeply nested malicious JSON input. The issue was addressed with improved input validation.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Uncontrolled Recursion

Weakness Enumeration

CWE-674

Related Identifiers

CVE-2020-9861

Affected Products

Swift

References · 5

• https://forums.swift.org/t/swift-5-1-5-for-linux-jsonserialization-limit-recursion-when-parsing/34514 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-9861 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-9861 · Security Note
• https://t.me/cibsecurity/15794 · Telegram Post
• https://t.me/cvenotify/5614 · Telegram Post