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CVE-2018-10534

Published: 29 April 2018

The _bfd_XX_bfd_copy_private_bfd_data_common function in peXXigen.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.30, processes a negative Data Directory size with an unbounded loop that increases the value of (external_IMAGE_DEBUG_DIRECTORY) *edd so that the address exceeds its own memory region, resulting in an out-of-bounds memory write, as demonstrated by objcopy copying private info with _bfd_pex64_bfd_copy_private_bfd_data_common in pex64igen.c.

Priority

Low

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
binutils
Launchpad, Ubuntu, Debian
artful Ignored
(end of life)
bionic
Released (2.30-21ubuntu1~18.04.3)
cosmic Not vulnerable
(2.31.1-6ubuntu1.1)
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)
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
Released (2.30.90.20180627-1)
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/gitweb.cgi?p=binutils-gdb.git;h=aa4a8c2a2a67545e90c877162c53cc9de42dc8b4

Severity score breakdown

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