CVE-2017-15021 Information

Description

bfd_get_debug_link_info_1 in opncls.c in the Binary File Descriptor (BFD) library (aka libbfd) as distributed in GNU Binutils 2.29 allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted ELF file related to bfd_getl32.

CVSS Vector

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

Reference

https://blogs.gentoo.org/ago/2017/10/03/binutils-heap-based-buffer-overflow-in-bfd_getl32-opncls-c/ https://sourceware.org/bugzilla/show_bug.cgi?id=22197 https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=52b36c51e5bf6d7600fdc6ba115b170b0e78e31d

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