CVE-2018-1992
6.4 · MEDIUMOverview
CVE-2018-1992 is a medium-severity vulnerability affecting ibm power_system_s922_\(9009-22a\)_firmware. It was published on March 21, 2019 and has a CVSS 3.0 base score of 6.4 (MEDIUM).
This vulnerability has a CVSS 3.0 base score of 6.4, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
The IBM Power 9 OP910, OP920, and FW910 boot firmware's bootloader is responsible for loading and validating the initial boot firmware image that drives the rest of the system's hardware initialization. The bootloader firmware contains a buffer overflow vulnerability such that, if an attacker were able to replace the initial boot firmware image with a very carefully crafted and sufficiently large, malicious replacement, it could cause the bootloader, during the load of that image, to overwrite its own instruction memory and circumvent secure boot protections, install trojans, etc. IBM X-Force ID: 154345.
Remediation
Check the references section for vendor advisories and patches from ibm. Update power_system_s922_\(9009-22a\)_firmware 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 |
|---|---|---|---|
| ibm | power_system_s922_\(9009-22a\)_firmware | >= 0, < fw910.10 | Affected |
| ibm | power_system_h922_\(9223-22h\)_firmware | >= 0, < fw910.10 | Affected |
| ibm | power_system_s914_\(9009-41a\)_firmware | >= 0, < fw910.10 | Affected |
| ibm | power_system_s924_\(9009-42a\)_firmware | >= 0, < fw910.10 | Affected |
| ibm | power_system_h924_\(9223-42h\)_firmware | >= 0, < fw910.10 | Affected |
| ibm | power_system_l922_\(9008-22l\)_firmware | >= 0, < fw910.10 | Affected |
| ibm | power_system_ac922_\(8335-gtg\)_firmware | >= 0, < op910.30 | Affected |
| ibm | power_system_ac922_\(8335-gth\)_firmware | >= 0, < op920.10 | Affected |
| ibm | power_system_ac922_\(8335-gtx\)_firmware | >= 0, < op920.10 | Affected |
| ibm | power_system_lc921_\(9006-12p\)_firmware | >= 0, < op920.10 | Affected |
Frequently Asked Questions
What is CVE-2018-1992?
CVE-2018-1992 is a medium-severity vulnerability affecting ibm power_system_s922_\(9009-22a\)_firmware. It was published on March 21, 2019 and has a CVSS 3.0 base score of 6.4 (MEDIUM).
How severe is CVE-2018-1992?
This vulnerability has a CVSS 3.0 base score of 6.4, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2018-1992?
Check the references section for vendor advisories and patches from ibm. Update power_system_s922_\(9009-22a\)_firmware 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-2018-1992?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-1992 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.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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