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LIN8-9246 : Security Advisory - glibc - CVE-2017-18269

Created: May 31, 2018    Updated: Dec 3, 2018
Resolved Date: Jun 29, 2018
Found In Version: 8.0.0.25
Fix Version: 8.0.0.27
Severity: Standard
Applicable for: Wind River Linux 8
Component/s: Toolchain

Description

An SSE2-optimized memmove implementation for i386 in sysdeps/i386/i686/multiarch/memcpy-sse2-unaligned.S in the GNU C Library (aka glibc or libc6) 2.21 through 2.27 does not correctly perform the overlapping memory check if the source memory range spans the middle of the address space, resulting in corrupt data being produced by the copy operation. This may disclose information to context-dependent attackers, or result in a denial of service, or, possibly, code execution.

https://nvd.nist.gov/vuln/detail/CVE-2017-18269

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