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CVE-2018-6759

Published: 6 February 2018

The bfd_get_debug_link_info_1 function in opncls.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.30, has an unchecked strnlen operation. Remote attackers could leverage this vulnerability to cause a denial of service (segmentation fault) via a crafted ELF file.

Priority

Low

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
binutils
Launchpad, Ubuntu, Debian
impish Not vulnerable
(2.31.1-6ubuntu1)
jammy Not vulnerable
(2.31.1-6ubuntu1)
xenial
Released (2.26.1-1ubuntu1~16.04.8+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
kinetic Not vulnerable
(2.31.1-6ubuntu1)
lunar Not vulnerable
(2.31.1-6ubuntu1)
artful Ignored
(end of life)
bionic Not vulnerable
(2.30-15ubuntu1)
cosmic Not vulnerable
(2.31.1-6ubuntu1)
disco Not vulnerable
(2.31.1-6ubuntu1)
eoan Not vulnerable
(2.31.1-6ubuntu1)
focal Not vulnerable
(2.31.1-6ubuntu1)
groovy Not vulnerable
(2.31.1-6ubuntu1)
hirsute Not vulnerable
(2.31.1-6ubuntu1)
trusty Needed

upstream
Released (2.31)
mantic Not vulnerable
(2.31.1-6ubuntu1)
Patches:
upstream: https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=64e234d417d5685a4aec0edc618114d9991c031b

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