CVE-2018-20712 Information

Description

A heap-based buffer over-read exists in the function d_expression_1 in cp-demangle.c in GNU libiberty as distributed in GNU Binutils 2.31.1. A crafted input can cause segmentation faults leading to denial-of-service as demonstrated by c++filt.

CVSS Vector

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

Reference

http://www.securityfocus.com/bid/106563 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88629 https://sourceware.org/bugzilla/show_bug.cgi?id=24043 https://support.f5.com/csp/article/K38336243

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5