Multiple vulnerabilities in Microsoft Edge and Microsoft Internet Explorer

Description

Multiple serious vulnerabilities have been found in Microsoft Internet Explorer and Microsoft Edge. Malicious users can exploit these vulnerabilities to execute arbitrary code and obtain sensitive information.

Below is a complete list of vulnerabilities:

1. Multiple vulnerabilities related to an improper handling of objects in memory can be exploited remotely by convincing a user to visit a specially designed website to execute arbitrary code;
2. Incorrect restrictions put on the way the information is returned to Microsoft Edge by JavaScript object methods can be exploited remotely by convincing a user to visit a specially designed website to obtain sensitive information;
3. Multiple vulnerabilities related to an improper handling of objects in memory done by JavaScript scripting engines can be exploited remotely by convincing a user to visit a specially designed website, by embedding an ActiveX control marked “safe for initialization” in an application or via a Microsoft Office document which hosts the Edge rendering engine to execute arbitrary code;
4. An incorrect handling of specific filtered response types done by the Fetch API in Microsoft Edge can be exploited remotely by convincing a user to visit a specially designed website to obtain sensitive information;
5. An improper handling of objects in memory in Microsoft Internet Explorer can be exploited remotely by convincing a user to visit a specially designed website to execute arbitrary code;
6. An incorrect check for scripts which attempt to matipulate HTML elements in other browser windows can be exploited remotely by convincing a user to visit a specially designed website or load a specially designed page to bypass security restrictions;
7. An improper handling of objects in memory can be exploited remotely by convincing a user to visit a specially designed website to obtain sensitive information;
8. An improper enforcement of same-origin policies in Microsoft Edge can be exploited remotely by convincing a user to visit a specially designed website or load a specially designed page to bypass security restrictions;
9. An incorrect validation of documents done by the CSP (Content Security Policy) in Microsoft Edge can be exploited remotely by convincing a user to visit a specially designed website or load a specially designed page to bypass security restrictions.

Original advisories

• CVE-2017-8520

• CVE-2017-8498
• CVE-2017-8499
• CVE-2017-8496
• CVE-2017-8497
• CVE-2017-8523
• CVE-2017-8530
• CVE-2017-8524
• CVE-2017-8522
• CVE-2017-8549
• CVE-2017-8517
• CVE-2017-8521
• CVE-2017-8504
• CVE-2017-8548
• CVE-2017-8519
• CVE-2017-8547
• CVE-2017-8555
• CVE-2017-8529
• CVE-2017-8496
• CVE-2017-8497
• CVE-2017-8498
• CVE-2017-8499
• CVE-2017-8504
• CVE-2017-8517
• CVE-2017-8519
• CVE-2017-8520
• CVE-2017-8521
• CVE-2017-8522
• CVE-2017-8523
• CVE-2017-8524
• CVE-2017-8529
• CVE-2017-8547
• CVE-2017-8548
• CVE-2017-8549
• CVE-2017-8555

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-2017-8496
  critical
• CVE-2017-8497
  critical
• CVE-2017-8498
  warning
• CVE-2017-8499
  critical
• CVE-2017-8504
  warning
• CVE-2017-8517
  critical
• CVE-2017-8519
  critical
• CVE-2017-8520
  critical
• CVE-2017-8521
  critical
• CVE-2017-8522
  critical
• CVE-2017-8523
  warning
• CVE-2017-8524
  critical
• CVE-2017-8529
  high
• CVE-2017-8530
  high
• CVE-2017-8547
  critical
• CVE-2017-8548
  critical
• CVE-2017-8549
  critical
• CVE-2017-8555
  warning

KB list

• 4038788
• 4038782
• 4038783
• 4038792
• 4038799
• 4038781
• 4038777
• 4022719
• 4022726
• 4022714
• 4021558
• 4022724
• 4022727
• 4022715
• 4022725
• 4036586

Read more

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