1.9 Low
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:M/Au:N/C:P/I:N/A:N
0.0005 Low
EPSS
Percentile
15.6%
The Montgomery ladder implementation in OpenSSL through 1.0.0l does not
ensure that certain swap operations have a constant-time behavior, which
makes it easier for local users to obtain ECDSA nonces via a FLUSH+RELOAD
cache side-channel attack.