Multiple vulnerabilities in Microsoft Internet Explorer

Published: 2017-09-12 21:41:12 | Updated: 2017-09-12 21:43:38
Severity High
Patch available YES
Number of vulnerabilities 7
CVSSv2 3.2 (AV:N/AC:M/Au:N/C:N/I:P/A:N/E:U/RL:OF/RC:C)
6.9 (AV:N/AC:M/Au:N/C:C/I:C/A:C/E:U/RL:OF/RC:C)
6.9 (AV:N/AC:M/Au:N/C:C/I:C/A:C/E:U/RL:OF/RC:C)
6.9 (AV:N/AC:M/Au:N/C:C/I:C/A:C/E:U/RL:OF/RC:C)
3.2 (AV:N/AC:M/Au:N/C:P/I:N/A:N/E:U/RL:OF/RC:C)
3.2 (AV:N/AC:M/Au:N/C:P/I:N/A:N/E:U/RL:OF/RC:C)
6.9 (AV:N/AC:M/Au:N/C:C/I:C/A:C/E:U/RL:OF/RC:C)
CVSSv3 5.2 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
8.3 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
8.3 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
8.3 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
3.6 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
3.6 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
8.3 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE ID CVE-2017-8733
CVE-2017-8747
CVE-2017-8749
CVE-2017-8750
CVE-2017-8648
CVE-2017-8736
CVE-2017-8741
CWE ID CWE-79
CWE-119
CWE-200
Exploitation vector Network
Public exploit Not available
Vulnerable software Microsoft Internet Explorer
Vulnerable software versions Microsoft Internet Explorer 9
Microsoft Internet Explorer 10
Microsoft Internet Explorer 11
Vendor URL Microsoft
Advisory type Public

Security Advisory

1) Cross-site scripting

Description

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.

Remediation

Install updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8733

2) Memory corruption

Description

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.

Remediation

Install updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8747

3) Memory corruption

Description

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.

Remediation

Install updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8749

4) Memory corruption

Description

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.

Remediation

Install updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8750

5) Information disclosure

Description

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.

Remediation

Install updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8648

6) Information disclosure

Description

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.

Remediation

Install updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8736

7) Memory corruption

Description

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 updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8741

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