SB2020092329 - Multiple vulnerabilities in Apple tvOS
Published: September 23, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Cross-site scripting (CVE-ID: CVE-2020-9952)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data in WebKit component in Apple Safari. A remote attacker can trick the victim to open a specially crafted link and execute arbitrary HTML and script code in user's browser in context of a website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
2) Input validation error (CVE-ID: CVE-2020-9979)
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to an unspecified error. A remote attacker can misuse a trust relationship to download malicious content.
3) Information disclosure (CVE-ID: CVE-2020-9976)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the application. A remote attacker can a specially crafted application and gain unauthorized access to sensitive information on the system.
4) Information disclosure (CVE-ID: CVE-2020-9968)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the application. A remote attacker can use a specially crafted application to leak sensitive user information.
Remediation
Install update from vendor's website.