CVE-2018-20657 Information

Description

The demangle_template function in cplus-dem.c in GNU libiberty as distributed in GNU Binutils 2.31.1 has a memory leak via a crafted string leading to a denial of service (memory consumption) as demonstrated by cxxfilt a related issue to CVE-2018-12698.

CVSS Vector

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

Reference

http://www.securityfocus.com/bid/106444 https://access.redhat.com/errata/RHSA-2019:3352 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88539 https://support.f5.com/csp/article/K62602089

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5