CVE-2018-11236

glibc: Integer overflow in stdlib/canonicalize.c on 32-bit architectures leading to stack-based buffer overflow

Published May 18, 2018 CVSS 3.0 · 9.8 Critical EPSS 6.9% KEV · Not listed
Description
stdlib/canonicalize.c in the GNU C Library (aka glibc or libc6) 2.27 and earlier, when processing very long pathname arguments to the realpath function, could encounter an integer overflow on 32-bit architectures, leading to a stack-based buffer overflow and, potentially, arbitrary code execution.

Remediation

No solution or workaround provided in the CVE record

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Advisories

Source ID Title
EUVD EUVD EUVD-2018-3276 stdlib/canonicalize.c in the GNU C Library (aka glibc or libc6) 2.27 and earlier, when processing very long pathname arguments to the realpath function, could encounter an integer overflow on 32-bit architectures, leading to a stack-based buffer overflow and, potentially, arbitrary code execution.
Ubuntu USN Ubuntu USN USN-4416-1 GNU C Library vulnerabilities
Ubuntu USN Ubuntu USN USN-6762-1 GNU C Library vulnerabilities
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