Attacker Value
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User Interaction
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Privileges Required
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Attack Vector
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0

CVE-2017-7526

Disclosure Date: July 26, 2018
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Description

libgcrypt before version 1.7.8 is vulnerable to a cache side-channel attack resulting into a complete break of RSA-1024 while using the left-to-right method for computing the sliding-window expansion. The same attack is believed to work on RSA-2048 with moderately more computation. This side-channel requires that attacker can run arbitrary software on the hardware where the private RSA key is used.

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CVSS V3 Severity and Metrics
Base Score:
None
Impact Score:
Unknown
Exploitability Score:
Unknown
Vector:
Unknown
Attack Vector (AV):
Unknown
Attack Complexity (AC):
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Privileges Required (PR):
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User Interaction (UI):
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Scope (S):
Unknown
Confidentiality (C):
Unknown
Integrity (I):
Unknown
Availability (A):
Unknown

General Information

Vendors

  • canonical,
  • debian,
  • gnupg

Products

  • debian linux 8.0,
  • debian linux 9.0,
  • libgcrypt,
  • ubuntu linux 12.04,
  • ubuntu linux 14.04,
  • ubuntu linux 16.04
Technical Analysis