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.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

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

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

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

Configurations

Configuration 1 (hide)

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

History

21 Nov 2024, 05:21

Type	Values Removed	Values Added
References	~~() https://github.com/kravietz/pam_tacplus/pull/163 - Third Party Advisory~~	() https://github.com/kravietz/pam_tacplus/pull/163 - Third Party Advisory
References	~~() https://tools.ietf.org/html/rfc8907 - Technical Description, Third Party Advisory~~	() https://tools.ietf.org/html/rfc8907 - Technical Description, Third Party Advisory

Information

Published : 2020-10-26 22:15

Updated : 2024-11-21 05:21

NVD link : CVE-2020-27743

Mitre link : CVE-2020-27743

CVE.ORG link : CVE-2020-27743

JSON object : View

Products Affected

pam_tacplus_project

pam_tacplus

CWE

CWE-330

Use of Insufficiently Random Values

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