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kasperskyKaspersky LabKLA11209
HistoryMar 13, 2018 - 12:00 a.m.

KLA11209 Multiple vulnerabilities in Microsoft Internet Explorer and Edge

2018-03-1300:00:00
Kaspersky Lab
threats.kaspersky.com
365

CVSS2

7.6

Attack Vector

NETWORK

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:H/Au:N/C:C/I:C/A:C

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

AI Score

8

Confidence

High

EPSS

0.951

Percentile

99.3%

Multiple vulnerabilities were found in Microsoft Internet Explorer and Edge. Malicious users can exploit these vulnerabilities to execute arbitrary code, obtain sensitive information, gain privileges.

Below is a complete list of vulnerabilities:

  1. A memory corruption vulnerability in Chakra Scripting Engine can be exploited remotely via specially crafted website to execute arbitrary code.
  2. A memory corruption vulnerability in Scripting Engine can be exploited remotely via specially crafted website to execute arbitrary code.
  3. An information disclosure vulnerability in Microsoft Edge based on Edge HTML can be exploited remotely via specially crafted content to obtain sensitive information.
  4. An information disclosure vulnerability in Scripting Engine can be exploited remotely via specially crafted content to obtain sensitive information.
  5. An information disclosure vulnerability in Microsoft Browser can be exploited remotely via specially crafted content to obtain sensitive information.
  6. An information disclosure vulnerability in Internet Explorer can be exploited remotely via specially crafted content to obtain sensitive information.
  7. A memory corruption vulnerability in Microsoft Browser can be exploited remotely via specially crafted website to obtain sensitive information.
  8. A memory corruption vulnerability in Scripting Engine can be exploited remotely via specially crafted website to obtain sensitive information.
  9. An elevation of privilege vulnerability in Internet Explorer can be exploited remotely via IMPORTANTTHING to gain privileges.
  10. A memory corruption vulnerability in Scripting Engine can be exploited remotely via IMPORTANTTHING to execute arbitrary code.

Original advisories

CVE-2018-0872

CVE-2018-0873

CVE-2018-0874

CVE-2018-0876

CVE-2018-0879

CVE-2018-0889

CVE-2018-0891

CVE-2018-0893

CVE-2018-0927

CVE-2018-0929

CVE-2018-0930

CVE-2018-0931

CVE-2018-0932

CVE-2018-0933

CVE-2018-0934

CVE-2018-0935

CVE-2018-0936

CVE-2018-0937

CVE-2018-0939

CVE-2018-0942

CVE-2018-0925

Exploitation

Public exploits exist for this vulnerability.

Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.

Related products

Microsoft-Internet-Explorer

Microsoft-Edge

ChakraCore

CVE list

CVE-2018-0872 critical

CVE-2018-0873 critical

CVE-2018-0874 critical

CVE-2018-0876 critical

CVE-2018-0879 warning

CVE-2018-0889 critical

CVE-2018-0891 warning

CVE-2018-0893 critical

CVE-2018-0927 warning

CVE-2018-0929 warning

CVE-2018-0930 critical

CVE-2018-0931 critical

CVE-2018-0932 warning

CVE-2018-0933 critical

CVE-2018-0934 critical

CVE-2018-0935 critical

CVE-2018-0936 critical

CVE-2018-0937 critical

CVE-2018-0939 warning

CVE-2018-0942 warning

CVE-2018-0925 critical

KB list

4088782

4088787

4088786

4088779

4089187

4088877

4088875

4088776

4088876

4096040

Solution

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)

Impacts

  • ACE

Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.

  • OSI

Obtain sensitive information. Exploitation of vulnerabilities with this impact can lead to capturing by abuser information, critical for user or system.

  • SB

Security bypass. Exploitation of vulnerabilities with this impact can lead to performing actions restricted by current security settings.

  • PE

Privilege escalation. Exploitation of vulnerabilities with this impact can lead to performing by abuser actions, which are normally disallowed for current role.

Affected Products

  • ChakraCoreMicrosoft Edge (EdgeHTML-based)Internet Explorer 10Internet Explorer 9Internet Explorer 11

References

CVSS2

7.6

Attack Vector

NETWORK

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:H/Au:N/C:C/I:C/A:C

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

AI Score

8

Confidence

High

EPSS

0.951

Percentile

99.3%