Executive Summary

Informations
Name CVE-2020-12399 First vendor Publication 2020-07-09
Vendor Cve Last vendor Modification 2020-08-04

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N
Overall CVSS Score 4.4
Base Score 4.4 Environmental Score 4.4
impact SubScore 3.6 Temporal Score 4.4
Exploitabality Sub Score 0.8
 
Attack Vector Local Attack Complexity High
Privileges Required Low User Interaction Required
Scope Unchanged Confidentiality Impact High
Integrity Impact None Availability Impact None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:H/Au:N/C:P/I:N/A:N)
Cvss Base Score 1.2 Attack Range Local
Cvss Impact Score 2.9 Attack Complexity High
Cvss Expoit Score 1.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

NSS has shown timing differences when performing DSA signatures, which was exploitable and could eventually leak private keys. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR < 68.9.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12399

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-203 Information Exposure Through Discrepancy

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 538
Application 132
Application 417

Sources (Detail)

Source Url
DEBIAN https://www.debian.org/security/2020/dsa-4726
GENTOO https://security.gentoo.org/glsa/202007-49
MISC https://bugzilla.mozilla.org/show_bug.cgi?id=1631576
https://www.mozilla.org/security/advisories/mfsa2020-20/
https://www.mozilla.org/security/advisories/mfsa2020-21/
https://www.mozilla.org/security/advisories/mfsa2020-22/
UBUNTU https://usn.ubuntu.com/4421-1/

Alert History

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Date Informations
2020-08-04 21:23:15
  • Multiple Updates
2020-07-27 09:22:41
  • Multiple Updates
2020-07-22 21:23:07
  • Multiple Updates
2020-07-18 21:23:03
  • Multiple Updates
2020-07-13 09:22:42
  • Multiple Updates
2020-07-09 21:22:59
  • First insertion