5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
5.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
0.001 Low
EPSS
Percentile
45.7%
When performing EC scalar point multiplication, the wNAF point
multiplication algorithm was used; which leaked partial information about
the nonce used during signature generation. Given an electro-magnetic trace
of a few signature generations, the private key could have been computed.
This vulnerability affects Firefox < 80 and Firefox for Android < 80.
Author | Note |
---|---|
leosilva | same fix/patches of CVE-2020-12400 |
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 18.04 | noarch | firefox | < 80.0+build2-0ubuntu0.18.04.1 | UNKNOWN |
ubuntu | 20.04 | noarch | firefox | < 80.0+build2-0ubuntu0.20.04.1 | UNKNOWN |
ubuntu | 16.04 | noarch | firefox | < 80.0+build2-0ubuntu0.16.04.1 | UNKNOWN |
ubuntu | 18.04 | noarch | nss | < 2:3.35-2ubuntu2.11 | UNKNOWN |
ubuntu | 20.04 | noarch | nss | < 2:3.49.1-1ubuntu1.4 | UNKNOWN |
ubuntu | 14.04 | noarch | nss | < 2:3.28.4-0ubuntu0.14.04.5+esm7 | UNKNOWN |
ubuntu | 16.04 | noarch | nss | < 2:3.28.4-0ubuntu0.16.04.13 | UNKNOWN |
developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.55_release_notes
launchpad.net/bugs/cve/CVE-2020-6829
nvd.nist.gov/vuln/detail/CVE-2020-6829
security-tracker.debian.org/tracker/CVE-2020-6829
ubuntu.com/security/notices/USN-4455-1
ubuntu.com/security/notices/USN-4474-1
www.cve.org/CVERecord?id=CVE-2020-6829
www.mozilla.org/en-US/security/advisories/mfsa2020-36/#CVE-2020-6829
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
5.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
0.001 Low
EPSS
Percentile
45.7%