PT-2019-9945 · Ibm · Ibm Power 9

Published 2019-03-21 · Updated 2019-10-09 · CVE-2018-1992

Positive Technologies (AI Summary)

CVSS v2.0

6.9

Medium

Base vector

AV:L/AC:M/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions IBM Power 9 OP910, OP920, and FW910 (affected versions not specified)

Description The issue concerns a buffer overflow in the bootloader firmware of the IBM Power 9 systems. This could allow an attacker to replace the initial boot firmware image with a malicious one, potentially overwriting the bootloader's instruction memory and bypassing secure boot protections. This could lead to the installation of trojans or other malicious activities.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2018-1992

Affected Products

Ibm Power 9

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2018-1992 · Security Note
• https://exchange.xforce.ibmcloud.com/vulnerabilities/154345 · Vendor Advisory
• https://ibm.com/support/docview.wss?uid=ibm10868992 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-1992 · Vendor Advisory