1.9 Low
CVSS2
Attack Vector
LOCAL
Attack 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
17.0%
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.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 12 | all | openssl | < 1.0.1g-1 | openssl_1.0.1g-1_all.deb |
Debian | 11 | all | openssl | < 1.0.1g-1 | openssl_1.0.1g-1_all.deb |
Debian | 999 | all | openssl | < 1.0.1g-1 | openssl_1.0.1g-1_all.deb |
Debian | 13 | all | openssl | < 1.0.1g-1 | openssl_1.0.1g-1_all.deb |