Debian Security Bug TrackerDEBIANCVE:CVE-2020-12401CVE-2020-12401
4.7 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
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%
During ECDSA signature generation, padding applied in the nonce designed to ensure constant-time scalar multiplication was removed, resulting in variable-time execution dependent on secret data. This vulnerability affects Firefox < 80 and Firefox for Android < 80.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Debian | 999 | all | firefox | < 80.0-1 | firefox_80.0-1_all.deb |
| Debian | 12 | all | nss | < 2:3.55-1 | nss_2:3.55-1_all.deb |
| Debian | 11 | all | nss | < 2:3.55-1 | nss_2:3.55-1_all.deb |
| Debian | 10 | all | nss | < 2:3.42.1-1+deb10u6 | nss_2:3.42.1-1+deb10u6_all.deb |
| Debian | 999 | all | nss | < 2:3.55-1 | nss_2:3.55-1_all.deb |
| Debian | 13 | all | nss | < 2:3.55-1 | nss_2:3.55-1_all.deb |
Related
4.7 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
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%