Improper input validation in GNU Binutils
CVE-2018-6759
The bfd_get_debug_link_info_1 function in opncls.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.30, has an unchecked strnlen operation. Remote attackers could leverage this vulnerability to cause a denial of service (segmentation fault) via a crafted ELF file.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.021 (80.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
- GNU Binutils — versions 2.30
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security.gentoo.org/glsa/201811-17 (vendor-advisory, Third Party Advisory)
- sourceware.org/bugzilla/show_bug.cgi (Third Party Advisory, Issue Tracking)
- www.securityfocus.com/bid/103030 (VDB Entry, Third Party Advisory, vdb-entry)
- lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html (vendor-advisory)
Frequently asked questions
- What is CVE-2018-6759?
- CVE-2018-6759 is a medium-severity vulnerability in GNU Binutils, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2018-02-06.
- How severe is CVE-2018-6759?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2018-6759 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.