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SUSE: CVE-2019-14318: SUSE Linux Security Advisory

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SUSE: CVE-2019-14318: SUSE Linux Security Advisory

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
07/30/2019
Created
08/23/2019
Added
08/21/2019
Modified
02/04/2022

Description

Crypto++ 8.3.0 and earlier contains a timing side channel in ECDSA signature generation. This allows a local or remote attacker, able to measure the duration of hundreds to thousands of signing operations, to compute the private key used. The issue occurs because scalar multiplication in ecp.cpp (prime field curves, small leakage) and algebra.cpp (binary field curves, large leakage) is not constant time and leaks the bit length of the scalar among other information.

Solution(s)

  • suse-upgrade-libcryptopp-devel
  • suse-upgrade-libcryptopp5_6_5
  • suse-upgrade-libcryptopp5_6_5-32bit
  • suse-upgrade-libcryptopp5_6_5-64bit

References

  • CVE-2019-14318

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