Home/CVE/decode_line_info in dwarf2.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.
CVE

CVE-2017-14939

decode_line_info in dwarf2.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.

decode_line_info in dwarf2.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, mishandles a length calculation, which allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted ELF file, related to read_1_byte.

MEDIUM · CVSS 5.5 EPSS 0.02994
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-125Out-of-bounds Read
▤

Affected Products & Versions

1
gnu binutilsall versions
⚠

Public Exploits & PoCs

2
dosbinutils 2.29.51.20170921 - 'read_1_byte' Heap Buffer Overflow2017-10-10
pocwww.exploit-db.com · 42970www.exploit-db.com
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD30 Sep 2017 · 01:29 AM
CVSS VectorCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

1
usnUSN-4336-2
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/101216
https://blogs.gentoo.org/ago/2017/09/26/binutils-heap-based-buffer-overflow-in-read_1_byte-dwarf2-c/PatchThird Party AdvisoryVDB Entry
https://sourceware.org/bugzilla/show_bug.cgi?id=22169Issue TrackingPatchThird Party Advisory
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git
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