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CVE-2020-12401

Published: Oct 8, 2020Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-203
NVD MITRE
4.7CVSSMEDIUM
EPSS Score
0.3%
Top 77.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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.

CVSS Vector Breakdown

AV:LAC:HPR:LUI:NS:UC:HI:NA:N
Exploitability
AV:LAttack Vector
Local
AC:HAttack Complexity
High
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-203

Affected Products

Red Hat Enterprise LinuxRed Hat Inc.
On-premOS
Operating Systems / linux-distro
UbuntuCanonical Ltd.
On-premOS
Operating Systems / linux-distro
Debian GNU/LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
Network Security ServicesMozilla Corp.Consumer Software
Альт 8 СПАО «ИВК»
On-premOS
Operating Systems / linux-distro
red hat inc.commercialUSOperating Systemsaka red hat
canonical ltd.commercialGBOperating Systemsaka canonical
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
mozilla corp.oss-projectUSConsumer Software
ао «ивк»commercialRUOperating Systemsaka ivk
and 5 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Discovery
View detailed technique mapping

References

https://hg.mozilla.org/projects/nss/rev/aeb2e583ee957a699d949009c7ba37af76515c20&#13;
hg.mozilla.org
https://security-tracker.debian.org/tracker/CVE-2020-12401&#13;
security-tracker.debian.org
https://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-12401.html&#13;
people.canonical.com
and 11 more references View all →

Timeline

Published
Oct 8, 2020
Last Updated
Nov 21, 2024

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