Multiple vulnerabilities in Microsoft Windows

Beschreibung

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

Below is a complete list of vulnerabilities

1. Lack of print driver validation restrictions at Windows Print Spooler can be exploited from adjacent network via man-in-the-middle attack or spoofing printer to execute arbitrary code;
2. Lack of filesystem writing restrictions at Windows Print Spooler can be exploited by logged in attacker via a specially designed application to gain privileges;
3. An improper memory objects handling at Windows Kernel Mode can be exploited by logged in attacker via a specially designed application to obtain sensitive information, gain privileges;
4. Lack of memory information disclosure restrictions at Windows GDI can be exploited by logged in attacker via a specially designed application to obtain sensitive information;
5. An unknown vulnerability at Windows Kernel can be exploited by logged in attacker to bypass security restrictions;
6. An improper page fault calls handling can be exploited by logged in attacker via a specially designed application to obtain sensitive information;
7. An improper policy handling can be exploited locally or by administer-rights attacker via a policy manipulations to bypass security restrictions.

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Technical details

To mitigate (1) vulnerability you can change Point and Print Restrictions policies to enable users to print only to specific trusted print servers. More detailed information about this mitigation could be found at MS16-087 advisory, listed in original advisories section.

To mitigate (7) vulnerability you can configure BitLocker to use TPM+PIN protection or disable Secure Boot integrity protection of BitLocker. More detailed information about these mitigations could be found at MS16-094 advisory listed in original advisories section.

Ursprüngliche Informationshinweise

• CVE-2016-3238

• CVE-2016-3239
• CVE-2016-3249
• CVE-2016-3287
• CVE-2016-3258
• CVE-2016-3256
• CVE-2016-3254
• CVE-2016-3286
• CVE-2016-3252
• CVE-2016-3250
• CVE-2016-3251

CVE Liste

• CVE-2016-3238
  critical
• CVE-2016-3239
  critical
• CVE-2016-3249
  critical
• CVE-2016-3287
  critical
• CVE-2016-3258
  critical
• CVE-2016-3256
  critical
• CVE-2016-3254
  critical
• CVE-2016-3286
  critical
• CVE-2016-3252
  critical
• CVE-2016-3250
  critical
• CVE-2016-3251
  critical

KB Liste

• 3172985
• 3170377
• 3163912
• 3170455
• 3168965
• 3172727
• 4038782
• 4038786
• 4038783
• 4038792
• 4038799
• 4038793
• 4038781
• 4038779
• 4038777

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