VulnerabilityModified
CVE-2020-27743
libtac in pam_tacplus through 1.5.1 lacks a check for a failure of RAND_bytes()/RAND_pseudo_bytes().
CRITICAL 9.8EPSS 1.74%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.74%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.74% probability · 76th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-330
- Affected
- pam tacplus project/pam tacplus
- Source
- cve@mitre.org
References
- https://github.com/kravietz/pam_tacplus/pull/163Third Party Advisory
- https://tools.ietf.org/html/rfc8907Technical Description, Third Party Advisory
- https://github.com/kravietz/pam_tacplus/pull/163Third Party Advisory
- https://tools.ietf.org/html/rfc8907Technical Description, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.