CVE-2018-9275
8.2 · HIGHOverview
CVE-2018-9275 is a high-severity vulnerability affecting yubico yubico_pam. It was published on April 4, 2018 and has a CVSS 3.0 base score of 8.2 (HIGH).
This vulnerability has a CVSS 3.0 base score of 8.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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).
Remediation
Check the references section for vendor advisories and patches from yubico. Update yubico_pam to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| yubico | yubico_pam | 2.18 | Affected |
References
Frequently Asked Questions
What is CVE-2018-9275?
CVE-2018-9275 is a high-severity vulnerability affecting yubico yubico_pam. It was published on April 4, 2018 and has a CVSS 3.0 base score of 8.2 (HIGH).
How severe is CVE-2018-9275?
This vulnerability has a CVSS 3.0 base score of 8.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2018-9275?
Check the references section for vendor advisories and patches from yubico. Update yubico_pam to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2018-9275?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-9275 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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