Vulnerability CVE-2017-15020
Published: 2017-10-04   Modified: 2017-10-05

Description:
dwarf1.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, mishandles pointers, which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted ELF file, related to parse_die and parse_line_table, as demonstrated by a parse_die heap-based buffer over-read.

Type:

CWE-125

 (Out-of-bounds Read)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
GNU -> Binutils 

 References:
https://blogs.gentoo.org/ago/2017/10/03/binutils-heap-based-buffer-overflow-in-parse_die-dwarf1-c/
https://sourceware.org/bugzilla/show_bug.cgi?id=22202
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=1da5c9a485f3dcac4c45e96ef4b7dae5948314b5
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