SB2018031306 - Multiple vulnerabilities in Microsoft Internet Explorer
Published: March 13, 2018
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 7 vulnerabilities.
1) Memory corruption (CVE-ID: CVE-2018-0889)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The weakness exists due to improper handling of objects in memory by the scripting engine. 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 the vulnerability may result in system compromise.
2) Memory corruption (CVE-ID: CVE-2018-0891)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.
The weakness exists due to improper handling of objects in memory by the scripting engine. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption view arbitrary data.
3) Memory corruption (CVE-ID: CVE-2018-0935)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The weakness exists due to improper handling of objects in memory by the scripting engine. 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 the vulnerability may result in system compromise.
4) Memory corruption (CVE-ID: CVE-2018-0927)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.
The weakness exists due to improper handling of objects in memory by the Microsoft browser. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption view arbitrary data.
5) Memory corruption (CVE-ID: CVE-2018-0929)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The weakness exists due to improper handling of objects in memory by Internet Explorer. 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 the vulnerability may result in system compromise.
6) Memory corruption (CVE-ID: CVE-2018-0932)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.
The weakness exists due to improper handling of objects in memory by the Microsoft browser. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption view arbitrary data.
7) Privilege escalation (CVE-ID: CVE-2018-0942)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to gain elevated privileges on the target system.
The weakness exists due to improper control checking by Internet Explorer. A remote attacker can escape sandbox and gain system privileges.
Remediation
Install update from vendor's website.
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0889
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0891
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0935
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0927
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0929
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0932
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0942