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CVE-2018-18484

Published: 18 October 2018

An issue was discovered in cp-demangle.c in GNU libiberty, as distributed in GNU Binutils 2.31. Stack Exhaustion occurs in the C++ demangling functions provided by libiberty, and there is a stack consumption problem caused by recursive stack frames: cplus_demangle_type, d_bare_function_type, d_function_type.

Notes

AuthorNote
mdeslaur
same commit as CVE-2018-12697 to CVE-2018-12700

Priority

Low

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
binutils
Launchpad, Ubuntu, Debian
xenial
Released (2.26.1-1ubuntu1~16.04.8+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
jammy Not vulnerable
(2.32-8ubuntu1)
lunar Not vulnerable
(2.32-8ubuntu1)
bionic
Released (2.30-21ubuntu1~18.04.3)
cosmic Ignored
(end of life)
disco Not vulnerable
(2.32-7ubuntu4)
eoan Not vulnerable
(2.32-8ubuntu1)
focal Not vulnerable
(2.32-8ubuntu1)
groovy Not vulnerable
(2.32-8ubuntu1)
hirsute Not vulnerable
(2.32-8ubuntu1)
impish Not vulnerable
(2.32-8ubuntu1)
kinetic Not vulnerable
(2.32-8ubuntu1)
trusty Needed

upstream Needs triage

mantic Not vulnerable
(2.32-8ubuntu1)
Patches:
upstream: https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=03e51746ed98d9106803f6009ebd71ea670ad3b9

libiberty
Launchpad, Ubuntu, Debian
jammy Not vulnerable
(20190122-1)
lunar Not vulnerable
(20190122-1)
artful Ignored
(end of life)
bionic
Released (20170913-1ubuntu0.1)
cosmic Ignored
(end of life)
disco Ignored
(end of life)
eoan Not vulnerable
(20190122-1)
focal Not vulnerable
(20190122-1)
groovy Not vulnerable
(20190122-1)
hirsute Not vulnerable
(20190122-1)
impish Not vulnerable
(20190122-1)
kinetic Not vulnerable
(20190122-1)
trusty Does not exist

upstream
Released (20190122-1)
xenial
Released (20160215-1ubuntu0.3)
mantic Not vulnerable
(20190122-1)
Patches:

upstream: https://gcc.gnu.org/viewcvs/gcc?view=revision&revision=266886

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H