SB20180424100 - IBM Flex System Chassis Management Module (CMM) update for GNU glibc
Published: April 24, 2018 Updated: February 20, 2025
Breakdown by Severity
- Low
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- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Memory corruption (CVE-ID: CVE-2018-11236)
The vulnerability allows a local attacker to gain elevated privileges on the target system.
The vulnerability exists in the stdlib/canonicalize.c source code in the GNU glibc library due to improper processing of long pathname arguments to the realpath function. A local unauthenticated attacker can send long pathname arguments to a targeted system that is using 32-bit architecture, trigger an integer overflow condition that can lead to stack-based buffer overflow condition and execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.