CVE-2020-9861

CVSS V2 Medium 5 CVSS V3 High 7.5

Description

A stack overflow issue existed in Swift for Linux. The issue was addressed with improved input validation for dealing with deeply nested malicious JSON input.

Overview

CVE ID
CVE-2020-9861

Assigner
product-security@apple.com

Vulnerability Status
Analyzed

Published Version
2020-11-02T23:15:12

Last Modified Date
2021-07-21T11:39:23

Weakness Enumerations

CWE	URL
CWE-674	http://cwe.mitre.org/data/definitions/674.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:apple:swift::::::ubuntu::*	1	OR		5.1.4

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
NONE

Integrity Impact
NONE

Availability Impact
PARTIAL

Base Score
5

Severity
MEDIUM

Exploitability Score
10

Impact Score
2.9

CVSS Version 3

Version
3.1

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
NONE

Availability Impact
HIGH

Base Score
7.5

Base Severity
HIGH

Exploitability Score
3.9

Impact Score
3.6

References

Reference URL	Reference Tags
https://forums.swift.org/t/swift-5-1-5-for-linux-jsonserialization-limit-recursion-when-parsing/34514	Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2020-9861
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-9861

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 07:06:15				Added to TrackCVE
2022-12-05 16:00:31	2020-11-02T23:15Z	2020-11-02T23:15:12	CVE Published Date	updated
2022-12-05 16:00:31		2021-07-21T11:39:23	CVE Modified Date	updated
2022-12-05 16:00:31		Analyzed	Vulnerability Status	updated