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CVE-2016-8605

Disclosure Date: January 12, 2017
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Description

The mkdir procedure of GNU Guile temporarily changed the process’ umask to zero. During that time window, in a multithreaded application, other threads could end up creating files with insecure permissions. For example, mkdir without the optional mode argument would create directories as 0777. This is fixed in Guile 2.0.13. Prior versions are affected.

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CVSS V3 Severity and Metrics
Base Score:
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Impact Score:
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Exploitability Score:
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Vector:
Unknown
Attack Vector (AV):
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Attack Complexity (AC):
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Privileges Required (PR):
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User Interaction (UI):
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Scope (S):
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Confidentiality (C):
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Integrity (I):
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Availability (A):
Unknown

General Information

Vendors

  • fedoraproject,
  • gnu

Products

  • fedora 23,
  • fedora 24,
  • fedora 25,
  • guile
Technical Analysis