Multiple vulnerabilities in Microsoft JScript and VBScript

Description

Multiple serious vulnerabilities have been found in Microsoft JScript and VBScript. Malicious users can exploit these vulnerabilities to bypass security restrictions, execute arbitrary code or obtain sensitive information.

Below is a complete list of vulnerabilities

1. Improperly handling objects in memory can be exploited remotely via a specially designed website to execute arbitrary code;
2. Lack of ASLR restrictions can be exploited remotely via a specially designed website to bypass security restrictions;
3. Improper memory content disclosure can be exploited locally via memory manipulations to obtain sensitive information.

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Technical details

Vulnerability (1) related to way in which memory objects handling at Internet Explorer.

Original advisories

• CVE-2015-2482

• CVE-2015-6055
• CVE-2015-6059
• CVE-2015-6052

Exploitation

Public exploits exist for this vulnerability.

Related products

• Microsoft-VBScript-engine

CVE list

• CVE-2015-2482
  critical
• CVE-2015-6055
  critical
• CVE-2015-6059
  warning
• CVE-2015-6052
  warning

KB list

• 3089659
• 3094995
• 3094996
• 3093983

Read more

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