CVE-2017-15938 Information

Description

dwarf2.c in the Binary File Descriptor (BFD) library (aka libbfd) as distributed in GNU Binutils 2.29 miscalculates DW_FORM_ref_addr die refs in the case of a relocatable object file which allows remote attackers to cause a denial of service (find_abstract_instance_name invalid memory read segmentation fault and application crash).

CVSS Vector

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

Reference

http://www.securityfocus.com/bid/101610 https://blogs.gentoo.org/ago/2017/10/24/binutils-invalid-memory-read-in-find_abstract_instance_name-dwarf2-c/ https://security.gentoo.org/glsa/201801-01 https://sourceware.org/bugzilla/show_bug.cgi?id=22209 https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=1b86808a86077722ee4f42ff97f836b12420bb2a

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5