Buffer overflow in GNU Binutils
CVE-2017-15938
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).
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.047 (91.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.047 · newest: 0.047 · change: 0.000
Affected products
- GNU Binutils — versions 2.29
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security.gentoo.org/glsa/201801-01 (vendor-advisory)
- sourceware.org/git/gitweb.cgi
- blogs.gentoo.org/ago/2017/10/24/binutils-invalid-memory-read-in-find_abstract_i… (Patch, VDB Entry, Third Party Advisory)
- www.securityfocus.com/bid/101610 (vdb-entry)
- sourceware.org/bugzilla/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2017-15938?
- CVE-2017-15938 is a high-severity vulnerability in GNU Binutils, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2017-10-27.
- How severe is CVE-2017-15938?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2017-15938 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.