SB2017092005 - Multiple vulnerabilities in Apple iOS

Description

This security bulletin contains information about 8 secuirty vulnerabilities.

1) Improper input validation (CVE-ID: CVE-2017-7088)

The vulnerability allows a remote privileged attacker to erase a device.

The weakness exists due to input validation error in AutoDiscover V1. A remote attacker can trick the victim into opening a specially crafted content and reset arbitrary data during Exchange account setup.

2) Memory corruption (CVE-ID: CVE-2017-7072)

The vulnerability allows a remote attacker to cause DoS condition.

The weakness exists due to improper handling of objects in memory. A remote attacker can trick the victim into opening a specially crafted iBooks file, trigger memory corruption and cause the device to crash.

3) Memory corruption (CVE-ID: CVE-2017-7097)

The vulnerability allows a remote attacker to cause DoS condition.

The weakness exists due to improper handling of objects in memory. A remote attacker can trick the victim into opening a specially crafted image file, trigger memory corruption and cause the device to crash.

4) Improper input validation (CVE-ID: CVE-2017-7118)

The vulnerability allows a remote attacker to cause DoS condition.

The weakness exists due to input validation error. A remote attacker can trick the victim into opening a specially crafted image file, and cause the device to crash.

5) Incorrect default permissions (CVE-ID: CVE-2017-7133)

The vulnerability allows a remote attacker to modify information.

The weakness exists due to permissions error  in MobileBackup Backup. A remote attacker can trick the victim into opening a specially crafted content and cause a backup to be unencrypted when set to perform only encrypted backups.

6) Cross-site scripting (CVE-ID: CVE-2017-7089)

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 passed via a login name, password, or e-mail address. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable 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.

7) Spoofing attack (CVE-ID: CVE-2017-7106)

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to unknown error. A remote attacker can trick the victim into visiting a specially crafted website and spoof address bar and other parts of web page.

Successful exploitation of this vulnerability may result in information disclosure or malicious actions execution.

8) Spoofing attack (CVE-ID: CVE-2017-7085)

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to unknown error. A remote attacker can trick the victim into visiting a specially crafted website and spoof address bar and other parts of web page.

Successful exploitation of this vulnerability may result in information disclosure or malicious actions execution.

Remediation

Install update from vendor's website.

References

• https://support.apple.com/en-us/HT208112
• https://support.apple.com/en-us/HT208116