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CVE-2020-27743

critical

Description

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.

References

https://tools.ietf.org/html/rfc8907

https://github.com/kravietz/pam_tacplus/pull/163

Details

Source: Mitre, NVD

Published: 2020-10-26

Updated: 2020-11-02

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical