Overview
- Description
- In check_user_token in util.c in the Yubico PAM module (aka pam_yubico) 2.18 through 2.25, successful logins can leak file descriptors to the auth mapping file, which can lead to information disclosure (serial number of a device) and/or DoS (reaching the maximum number of file descriptors).
- Source
- cve@mitre.org
- NVD status
- Modified
Risk scores
CVSS 3.0
- Type
- Primary
- Base score
- 8.2
- Impact score
- 4.2
- Exploitability score
- 3.9
- Vector string
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
- Severity
- HIGH
CVSS 2.0
- Type
- Primary
- Base score
- 6.4
- Impact score
- 4.9
- Exploitability score
- 10
- Vector string
- AV:N/AC:L/Au:N/C:P/I:N/A:P
Weaknesses
- nvd@nist.gov
- CWE-200
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:yubico:yubico_pam:*:*:*:*:*:yubico:*:*",
"vulnerable": true,
"matchCriteriaId": "2D66C6C0-64A8-44DF-A65E-1F17F4C98839",
"versionEndIncluding": "2.25",
"versionStartIncluding": "2.18"
}
],
"operator": "OR"
}
]
}
]