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6.9
MEDIUM CVSS 2.0
CVE-2018-1992
IBM Power 9 Bootloader Buffer Overflow Vulnerability
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.

INFO

Published Date :

March 21, 2019, 4 p.m.

Last Modified :

Nov. 21, 2024, 4 a.m.

Remotely Exploit :

No

Source :

[email protected]
Affected Products

The following products are affected by CVE-2018-1992 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Ibm power_system_s922_\(9009-22a\)_firmware
2 Ibm power_system_h922_\(9223-22h\)_firmware
3 Ibm power_system_s914_\(9009-41a\)_firmware
4 Ibm power_system_s924_\(9009-42a\)_firmware
5 Ibm power_system_h924_\(9223-42h\)_firmware
6 Ibm power_system_l922_\(9008-22l\)_firmware
7 Ibm power_system_ac922_\(8335-gtg\)_firmware
8 Ibm power_system_ac922_\(8335-gth\)_firmware
9 Ibm power_system_ac922_\(8335-gtx\)_firmware
10 Ibm power_system_lc921_\(9006-12p\)_firmware
11 Ibm power_system_lc922_\(9006-22p\)_firmware
12 Ibm power_system_s922_\(9009-22a\)
13 Ibm power_system_h922_\(9223-22h\)
14 Ibm power_system_s914_\(9009-41a\)
15 Ibm power_system_s924_\(9009-42a\)
16 Ibm power_system_h924_\(9223-42h\)
17 Ibm power_system_l922_\(9008-22l\)
18 Ibm power_system_ac922_\(8335-gtg\)
19 Ibm power_system_ac922_\(8335-gth\)
20 Ibm power_system_ac922_\(8335-gtx\)
21 Ibm power_system_lc921_\(9006-12p\)
22 Ibm power_system_lc922_\(9006-22p\)
: Total Affected Vendor : 1 | Products : 22
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.0 MEDIUM [email protected]
CVSS 3.0 MEDIUM [email protected]
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2018-1992.

URL Resource
https://exchange.xforce.ibmcloud.com/vulnerabilities/154345 VDB Entry Vendor Advisory
https://www.ibm.com/support/docview.wss?uid=ibm10868992 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/154345 VDB Entry Vendor Advisory
https://www.ibm.com/support/docview.wss?uid=ibm10868992 Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2018-1992 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2018-1992 weaknesses.

CAPEC-8: Buffer Overflow in an API Call Buffer Overflow in an API Call CAPEC-9: Buffer Overflow in Local Command-Line Utilities Buffer Overflow in Local Command-Line Utilities CAPEC-10: Buffer Overflow via Environment Variables Buffer Overflow via Environment Variables CAPEC-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow CAPEC-42: MIME Conversion MIME Conversion CAPEC-44: Overflow Binary Resource File Overflow Binary Resource File CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links CAPEC-46: Overflow Variables and Tags Overflow Variables and Tags CAPEC-47: Buffer Overflow via Parameter Expansion Buffer Overflow via Parameter Expansion CAPEC-100: Overflow Buffers Overflow Buffers CAPEC-123: Buffer Manipulation Buffer Manipulation

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2018-1992 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2018-1992 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://exchange.xforce.ibmcloud.com/vulnerabilities/154345
    Added Reference https://www.ibm.com/support/docview.wss?uid=ibm10868992
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Oct. 09, 2019

    Action Type Old Value New Value
    Added CVSS V3 IBM Corporation AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
  • Initial Analysis by [email protected]

    Apr. 03, 2019

    Action Type Old Value New Value
    Added CVSS V2 (AV:L/AC:M/Au:N/C:C/I:C/A:C)
    Added CVSS V3 AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://www.ibm.com/support/docview.wss?uid=ibm10868992 No Types Assigned https://www.ibm.com/support/docview.wss?uid=ibm10868992 Vendor Advisory
    Changed Reference Type https://exchange.xforce.ibmcloud.com/vulnerabilities/154345 No Types Assigned https://exchange.xforce.ibmcloud.com/vulnerabilities/154345 VDB Entry, Vendor Advisory
    Added CWE CWE-119
    Added CPE Configuration AND OR *cpe:2.3:o:ibm:power_system_s922_\(9009-22a\)_firmware:*:*:*:*:*:*:*:* versions up to (excluding) fw910.10 OR cpe:2.3:h:ibm:power_system_s922_\(9009-22a\):-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ibm:power_system_h922_\(9223-22h\)_firmware:*:*:*:*:*:*:*:* versions up to (excluding) fw910.10 OR cpe:2.3:h:ibm:power_system_h922_\(9223-22h\):-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ibm:power_system_s914_\(9009-41a\)_firmware:*:*:*:*:*:*:*:* versions up to (excluding) fw910.10 OR cpe:2.3:h:ibm:power_system_s914_\(9009-41a\):-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ibm:power_system_s924_\(9009-42a\)_firmware:*:*:*:*:*:*:*:* versions up to (excluding) fw910.10 OR cpe:2.3:h:ibm:power_system_s924_\(9009-42a\):-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ibm:power_system_h924_\(9223-42h\)_firmware:*:*:*:*:*:*:*:* versions up to (excluding) fw910.10 OR cpe:2.3:h:ibm:power_system_h924_\(9223-42h\):-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ibm:power_system_l922_\(9008-22l\)_firmware:*:*:*:*:*:*:*:* versions up to (excluding) fw910.10 OR cpe:2.3:h:ibm:power_system_l922_\(9008-22l\):-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ibm:power_system_ac922_\(8335-gtg\)_firmware:*:*:*:*:*:*:*:* versions up to (excluding) op910.30 OR cpe:2.3:h:ibm:power_system_ac922_\(8335-gtg\):-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ibm:power_system_ac922_\(8335-gth\)_firmware:*:*:*:*:*:*:*:* versions up to (excluding) op920.10 OR cpe:2.3:h:ibm:power_system_ac922_\(8335-gth\):-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ibm:power_system_ac922_\(8335-gtx\)_firmware:*:*:*:*:*:*:*:* versions up to (excluding) op920.10 OR cpe:2.3:h:ibm:power_system_ac922_\(8335-gtx\):-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ibm:power_system_lc921_\(9006-12p\)_firmware:*:*:*:*:*:*:*:* versions up to (excluding) op920.10 OR cpe:2.3:h:ibm:power_system_lc921_\(9006-12p\):-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ibm:power_system_lc922_\(9006-22p\)_firmware:*:*:*:*:*:*:*:* versions up to (excluding) op920.10 OR cpe:2.3:h:ibm:power_system_lc922_\(9006-22p\):-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 6.4
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 6.9
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} -0.07%

score

0.09714

percentile