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CVE-2017-15023

Published: 5 October 2017

read_formatted_entries in dwarf2.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, does not properly validate the format count, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted ELF file, related to concat_filename.

Notes

AuthorNote
mdeslaur
incomplete fix resulted in CVE-2017-15939

Priority

Low

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
binutils
Launchpad, Ubuntu, Debian
eoan Not vulnerable
(2.32-8ubuntu1)
trusty Not vulnerable
(code not present)
upstream
Released (2.29.90.20180122-1)
xenial Not vulnerable
(code not present)
zesty Ignored
(end of life)
artful Ignored
(end of life)
bionic Not vulnerable
(2.30-21ubuntu1~18.04.1)
cosmic Not vulnerable
(2.31.1-6ubuntu1.1)
disco Not vulnerable
(2.32-7ubuntu4)
Patches:
upstream: https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=c361faae8d964db951b7100cada4dcdc983df1bf

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