CVE-2017-15022 Information

Description

dwarf2.c in the Binary File Descriptor (BFD) library (aka libbfd) as distributed in GNU Binutils 2.29 does not validate the DW_AT_name data type which allows remote attackers to cause a denial of service (bfd_hash_hash NULL pointer dereference or out-of-bounds access and application crash) via a crafted ELF file related to scan_unit_for_symbols and parse_comp_unit.

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-null-pointer-dereference-in-bfd_hash_hash-hash-c/ https://sourceware.org/bugzilla/show_bug.cgi?id=22201 https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=11855d8a1f11b102a702ab76e95b22082cccf2f8

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