Executive Summary

Informations
Name CVE-2020-27743 First vendor Publication 2020-10-26
Vendor Cve Last vendor Modification 2024-11-21

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 9.8
Base Score 9.8 Environmental Score 9.8
impact SubScore 5.9 Temporal Score 9.8
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score 7.5 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

libtac in pam_tacplus through 1.5.1 lacks a check for a failure of RAND_bytes()/RAND_pseudo_bytes(). This could lead to use of a non-random/predictable session_id.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27743

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-330 Use of Insufficiently Random Values

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1

Sources (Detail)

https://github.com/kravietz/pam_tacplus/pull/163
https://tools.ietf.org/html/rfc8907
Source Url

Alert History

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Date Informations
2024-11-28 13:43:14
  • Multiple Updates
2022-05-03 01:49:29
  • Multiple Updates
2020-11-02 21:23:35
  • Multiple Updates
2020-10-27 17:23:01
  • Multiple Updates
2020-10-27 05:23:19
  • First insertion