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LIN8-7150 : Security Advisory - libgcrypt - CVE-2017-7526

Created: Jul 24, 2017    Updated: Dec 3, 2018
Resolved Date: Jul 28, 2017
Found In Version: 8.0
Fix Version:
Severity: Standard
Applicable for: Wind River Linux 8
Component/s: Userspace


Libgcrypt's RSA-1024 implementation using left-to-right method for computing the sliding-window expansion was found to be vulnerable to cache side-channel attack resulting into complete break of RSA-1024. 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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