Vulnerability CVE-2017-15938
Published: 2017-10-27

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).

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
GNU -> Binutils 

 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
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