CVE-2019-6488 Information

Description

The string component in the GNU C Library (aka glibc or libc6) through 2.28 when running on the x32 architecture incorrectly attempts to use a 64-bit register for size_t in assembly codes which can lead to a segmentation fault or possibly unspecified other impact as demonstrated by a crash in __memmove_avx_unaligned_erms in sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S during a memcpy.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

http://www.securityfocus.com/bid/106671 https://security.gentoo.org/glsa/202006-04 https://sourceware.org/bugzilla/show_bug.cgi?id=24097

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8