SB2017091213 - Multiple vulnerabilities in Microsoft Internet Explorer
Published: September 12, 2017
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 7 secuirty vulnerabilities.
1) Cross-site scripting (CVE-ID: CVE-2017-8733)
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. 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.
2) Memory corruption (CVE-ID: CVE-2017-8747)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to boundary error when Internet Explorer accesses objects in memory. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with privileges of the current user.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
3) Memory corruption (CVE-ID: CVE-2017-8749)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to boundary error when Internet Explorer accesses objects in memory. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with privileges of the current user.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
4) Memory corruption (CVE-ID: CVE-2017-8750)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to boundary error when Microsoft Edge accesses objects in memory. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with privileges of the current user.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
5) Information disclosure (CVE-ID: CVE-2017-8648)
The vulnerability allows a remote attacker to obtain potentially sensitive information.
The vulnerability exists due to improper handling of objects in memory by Microsoft Edge. A remote attacker can trick the victim into visiting a specially crafted website and gain access to potentially sensitive information.
6) Information disclosure (CVE-ID: CVE-2017-8736)
The vulnerability allows a remote attacker to obtain potentially sensitive information.
The vulnerability exists in Microsoft browsers due to improper parent domain verification in certain functionality. A remote attacker can trick the victim into visiting a specially crafted website and obtain specific information that is used in the parent domain.
7) Memory corruption (CVE-ID: CVE-2017-8741)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to Microsoft browser JavaScript engines render content when handling objects in memory. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with privileges of the current user.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8733
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8747
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8749
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8750
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8648
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8736
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8741