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CVE-2018-20623

Published: 31 December 2018

In GNU Binutils 2.31.1, there is a use-after-free in the error function in elfcomm.c when called from the process_archive function in readelf.c via a crafted ELF file.

Notes

AuthorNote
mdeslaur
need to validate correct commit, see bug

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 Ignored
(end of life)
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)
jammy Not vulnerable
(2.32-8ubuntu1)
kinetic Not vulnerable
(2.32-8ubuntu1)
lunar Not vulnerable
(2.32-8ubuntu1)
mantic 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)
Patches:
upstream: https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=28e817cc440bce73691c03e01860089a0954a837

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