CVE-2017-15938

MEDIUM

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).

References

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

Details

Source: MITRE

Published: 2017-10-27

Updated: 2018-01-09

Type: CWE-119

Risk Information

CVSS v2.0

Base Score: 5

Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P)

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3.0

Base Score: 7.5

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

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH