CVE Vulnerability

CVE-2020-27743

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.

7.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://tools.ietf.org/html/rfc8907 Technical Description Third Party Advisory
https://github.com/kravietz/pam_tacplus/pull/163 Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:pam_tacplus_project:pam_tacplus:*:*:*:*:*:*:*:*
Information

Published : 2020-10-26 10:15

Updated : 2020-11-02 04:37

NVD link : CVE-2020-27743

Mitre link : CVE-2020-27743

Products Affected
No products.
CWE
CWE-330