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Security Bulletin: IBM Dynamic System Analysis (DSA) Preboot is affected by vulnerability GNU C Library (CVE-2018-11236)

Created by Barb Foss on
Published URL:
https://www.ibm.com/support/pages/node/882112
882112

Security Bulletin


Summary

IBM Dynamic System Analysis (DSA) Preboot has addressed the following vulnerability in GNU C Library.

Vulnerability Details

CVEID: CVE-2018-11236
DESCRIPTION: GNU glibc is vulnerable to a stack-based buffer overflow, caused by improper bounds of checking by the pathname arguments in the realpath function in stdlib/canonicalize.c. By using specially-crafted pathname arguments, a remote attacker could overflow a buffer and execute arbitrary code on the system.
CVSS Base Score: 7.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/143578 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

Affected Products and Versions

Product

Affected Version

IBM Dynamic System Analysis (DSA) Preboot

9.6

Remediation/Fixes

Firmware fix versions are available on Fix Central:  http://www.ibm.com/support/fixcentral/

Product

Fix Version

IBM Dynamic System Analysis (DSA) Preboot
(ibm_fw_dsa_dsyte2z-9.65_anyos_32-64)

dsyte2z-9.65

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Lenovo Product Security Advisories

Change History

25 April 2019: Initial version published

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

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Document Information

Modified date:
25 April 2019

UID

ibm10882112

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