CVE-2017-15023 Information

Description

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.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Reference

http://www.securityfocus.com/bid/101611 https://blogs.gentoo.org/ago/2017/10/03/binutils-null-pointer-dereference-in-concat_filename-dwarf2-c/ https://security.gentoo.org/glsa/201801-01 https://sourceware.org/bugzilla/show_bug.cgi?id=22200 https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=c361faae8d964db951b7100cada4dcdc983df1bf

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5