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VULNERABILITIES

CVE-2018-12886 Details

Description

stack_protect_prologue in cfgexpand.c and stack_protect_epilogue in function.c in GNU Compiler Collection (GCC) 4.1 through 8 (under certain circumstances) generate instruction sequences when targeting ARM targets that spill the address of the stack protector guard, which allows an attacker to bypass the protection of -fstack-protector, -fstack-protector-all, -fstack-protector-strong, and -fstack-protector-explicit against stack overflow by controlling what the stack canary is compared against.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.1 HIGHVector:CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://gcc.gnu.org/viewcvs/gcc/trunk/gcc/config/arm/arm-protos.h?revision=266379&view=markup CVEVendor Advisory
https://www.gnu.org/software/gcc/gcc-8/changes.html CVEExploitVendor Advisory
https://gcc.gnu.org/viewcvs/gcc/trunk/gcc/config/arm/arm-protos.h?revision=266379&view=markup [email protected]Vendor Advisory
https://www.gnu.org/software/gcc/gcc-8/changes.html [email protected]ExploitVendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-209Generation of Error Message Containing Sensitive Information[email protected]

Affected Products

ProductVersions
gnu gcc
>= 4.1, <= 8.0

CPE

  • cpe:2.3:a:gnu:gcc:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2018-12886
NVD Published Date:
May 22, 2019
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]