CVE Vulnerabilities

CVE-2019-14318

Published: Jul 30, 2019 | Modified: Aug 20, 2019
CVSS 3.x
5.9
MEDIUM
Source:
NVD
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.x
4.3 MEDIUM
AV:N/AC:M/Au:N/C:P/I:N/A:N
RedHat/V2
RedHat/V3
Ubuntu
MEDIUM

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.

Affected Software

Name Vendor Start Version End Version
Crypto++ Cryptopp * 8.3.0 (including)
Libcrypto++ Ubuntu bionic *
Libcrypto++ Ubuntu disco *
Libcrypto++ Ubuntu esm-apps/bionic *
Libcrypto++ Ubuntu esm-apps/xenial *
Libcrypto++ Ubuntu trusty *
Libcrypto++ Ubuntu trusty/esm *
Libcrypto++ Ubuntu upstream *
Libcrypto++ Ubuntu xenial *

References