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CVE-2015-3202

Disclosure Date: July 02, 2015
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Description

fusermount in FUSE before 2.9.3-15 does not properly clear the environment before invoking (1) mount or (2) umount as root, which allows local users to write to arbitrary files via a crafted LIBMOUNT_MTAB environment variable that is used by mount’s debugging feature.

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CVSS V3 Severity and Metrics
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Impact Score:
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Exploitability Score:
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Vector:
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Attack Vector (AV):
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Attack Complexity (AC):
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Privileges Required (PR):
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Scope (S):
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Integrity (I):
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Availability (A):
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General Information

Vendors

  • debian,
  • fuse project

Products

  • debian linux 8.0,
  • fuse

References

Additional Info

Technical Analysis