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CVE-2018-17985

Published: 4 October 2018

An issue was discovered in cp-demangle.c in GNU libiberty, as distributed in GNU Binutils 2.31. There is a stack consumption problem caused by the cplus_demangle_type function making recursive calls to itself in certain scenarios involving many 'P' characters.

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
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)
trusty Needed

upstream Needs triage

xenial
Released (2.26.1-1ubuntu1~16.04.8+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
impish Not vulnerable
(2.32-8ubuntu1)
groovy Not vulnerable
(2.32-8ubuntu1)
hirsute Not vulnerable
(2.32-8ubuntu1)
jammy Not vulnerable
(2.32-8ubuntu1)
kinetic Not vulnerable
(2.32-8ubuntu1)
lunar Not vulnerable
(2.32-8ubuntu1)
mantic Not vulnerable
(2.32-8ubuntu1)
Patches:
upstream: https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=03e51746ed98d9106803f6009ebd71ea670ad3b9

libiberty
Launchpad, Ubuntu, Debian
artful Ignored
(end of life)
impish Not vulnerable
(20190122-1)
groovy Not vulnerable
(20190122-1)
hirsute Not vulnerable
(20190122-1)
jammy Not vulnerable
(20190122-1)
kinetic Not vulnerable
(20190122-1)
lunar Not vulnerable
(20190122-1)
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)
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