CVE-2019-8649 : A logic issue existed in the handling of synchronous page loads. This issue was addressed with improved state management

A logic issue existed in the handling of synchronous page loads. This issue was addressed with improved state management. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, Safari 12.1.2, iTunes for Windows 12.9.6, iCloud for Windows 7.13, iCloud for Windows 10.6. Processing maliciously crafted web content may lead to universal cross site scripting.

Published 2019-12-18 18:15:31

Updated 2019-12-20 21:07:58

Source Apple Inc.

View at NVD, CVE.org

Vulnerability category: Cross site scripting (XSS)

Threat overview for CVE-2019-8649

Top countries where our scanners detected CVE-2019-8649

Top open port discovered on systems with this issue 548

IPs affected by CVE-2019-8649 412

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2019-8649!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2019-8649

Probability of exploitation activity in the next 30 days: 1.61%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 86 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2019-8649

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:N/I:P/A:N	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
6.1	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N	2.8	2.7	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Changed Confidentiality: Low Integrity: Low Availability: None

CWE ids for CVE-2019-8649

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2019-8649

https://support.apple.com/HT210356

About the security content of iTunes 12.9.6 for Windows - Apple Support
Vendor Advisory

CVEs referencing this url
https://support.apple.com/HT210357

About the security content of iCloud for Windows 7.13 - Apple Support
Vendor Advisory

CVEs referencing this url
https://support.apple.com/HT210355

About the security content of Safari 12.1.2 - Apple Support
Vendor Advisory

CVEs referencing this url
https://support.apple.com/HT210358

About the security content of iCloud for Windows 10.6 - Apple Support
Vendor Advisory

CVEs referencing this url
https://support.apple.com/HT210351

About the security content of tvOS 12.4 - Apple Support
Vendor Advisory

CVEs referencing this url
https://support.apple.com/HT210348

About the security content of macOS Mojave 10.14.6, Security Update 2019-004 High Sierra, Security Update 2019-004 Sierra - Apple Support
Vendor Advisory

CVEs referencing this url
https://support.apple.com/HT210346

About the security content of iOS 12.4 - Apple Support
Vendor Advisory

CVEs referencing this url

Products affected by CVE-2019-8649