Multiple vulnerabilities in Microsoft Internet Explorer

Published: 2017-08-08 22:31:58 | Updated: 2017-08-08 22:35:15
Severity High
Patch available YES
Number of vulnerabilities 7
CVSSv2 6.9 (AV:N/AC:M/Au:N/C:C/I:C/A:C/E:U/RL:OF/RC:C)
3.4 (AV:L/AC:L/Au:N/C:P/I:P/A:P/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)
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)
CVSSv3 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]
6.7 [CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
8.2 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/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]
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]
CVE ID CVE-2017-8651
CVE-2017-8625
CVE-2017-8641
CVE-2017-8635
CVE-2017-8636
CVE-2017-8669
CVE-2017-8653
CWE ID CWE-119
CWE-264
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) Memory corruption

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to an error when handling objects in memory by Internet Explorer. A remote attacker can create a specially crafted website, trick the victim into visiting it, trigger memory corruption and execute arbitrary code with system privileges.

Successful exploitation of the vulnerability may result in system compromise.

Remediation

Install updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8651

2) Security restrictions bypass

Description

The vulnerability allows a local attacker to bypass security restrictions on the target system.

The weakness exists due to improper validation of User Mode Code Integrity (UMCI) policies by Internet Explorer. A local attacker can run a specially crafted application to bypass Device Guard UCMI policies.

Successful exploitation of the vulnerability may result in further attacks.

Remediation

Install updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8625

3) Memory corruption

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to an error when handling objects in memory by JavaScript engines. A remote attacker can create a specially crafted website, trick the victim into visiting it, trigger memory corruption and execute arbitrary code with system privileges.

Successful exploitation of the vulnerability may result in system compromise.

Remediation

Install updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8641

4) Memory corruption

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to an error when handling objects in memory by JavaScript engines. A remote attacker can create a specially crafted website, trick the victim into visiting it, trigger memory corruption and execute arbitrary code with system privileges.

Successful exploitation of the vulnerability may result in system compromise.

Remediation

Install updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8635

5) Memory corruption

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to an error when handling objects in memory by Microsoft browser JavaScript engines. A remote attacker can create a specially crafted website, trick the victim into visiting it, trigger memory corruption and execute arbitrary code with system privileges.

Successful exploitation of the vulnerability may result in system compromise.

Remediation

Install updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8636

6) Memory corruption

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to an error when handling objects in memory by Microsoft browsers. A remote attacker can create a specially crafted website, trick the victim into visiting it, trigger memory corruption and execute arbitrary code with system privileges.

Successful exploitation of the vulnerability may result in system compromise.

Remediation

Install updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8669

7) Memory corruption

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to an error when handling objects in memory by Microsoft browsers. A remote attacker can create a specially crafted website, trick the victim into visiting it, trigger memory corruption and execute arbitrary code with system privileges.

Successful exploitation of the vulnerability may result in system compromise.

Remediation

Install updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8653

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