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kasperskyKaspersky LabKLA11353
HistoryNov 13, 2018 - 12:00 a.m.

KLA11353 Multiple vulnerabilities in Microsoft Browser

2018-11-1300:00:00
Kaspersky Lab
threats.kaspersky.com
398

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

8.3

Confidence

High

EPSS

0.776

Percentile

98.3%

Multiple serious vulnerabilities were found in Microsoft Browsers. Malicious users can exploit these vulnerabilities to execute arbitrary code, obtain sensitive information, gain privileges, spoof user interface.

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. An information disclosure vulnerability in Microsoft Edge can be exploited remotely via specially crafted content to obtain sensitive information.
  3. An elevation of privilege vulnerability in Microsoft Edge can be exploited remotely via specially crafted content to gain privileges.
  4. A spoofing vulnerability in Microsoft Edge can be exploited remotely via specially crafted website to spoof user interface.
  5. A memory corruption vulnerability in Windows Scripting Engine can be exploited remotely to obtain sensitive information.
  6. A memory corruption vulnerability in Internet Explorer can be exploited remotely via specially crafted website to execute arbitrary code.

Original advisories

CVE-2018-8588

CVE-2018-8557

CVE-2018-8545

CVE-2018-8542

CVE-2018-8556

CVE-2018-8543

CVE-2018-8567

CVE-2018-8564

CVE-2018-8541

CVE-2018-8552

CVE-2018-8570

CVE-2018-8555

CVE-2018-8551

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

CVE list

CVE-2018-8588 critical

CVE-2018-8557 critical

CVE-2018-8545 warning

CVE-2018-8542 critical

CVE-2018-8556 critical

CVE-2018-8543 critical

CVE-2018-8567 high

CVE-2018-8564 warning

CVE-2018-8541 critical

CVE-2018-8552 critical

CVE-2018-8570 critical

CVE-2018-8555 critical

CVE-2018-8551 critical

KB list

4467680

4467708

4467691

4467702

4467686

4467696

4467701

4467697

4466536

4467107

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.

  • PE

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

  • SUI

Spoof user interface. Exploitation of vulnerabilities with this impact can lead to changes in user interface to beguile user into inaccurate behavior.

Affected Products

  • Microsoft EdgeChakraCoreInternet Explorer 11Internet Explorer 9Internet Explorer 10

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

8.3

Confidence

High

EPSS

0.776

Percentile

98.3%