NULL pointer dereference in GNU Binutils
CVE-2017-15939
dwarf2.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, mishandles NULL files in a .debug_line file table, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted ELF file, related to concat_filename. NOTE: this issue is caused by an incomplete fix for CVE-2017-15023.
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: 0.017 (76.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 76.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · 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/bugzilla/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- sourceware.org/git/gitweb.cgi
- www.securityfocus.com/bid/101613 (vdb-entry)
- blogs.gentoo.org/ago/2017/10/24/binutils-null-pointer-dereference-in-concat_fil… (Patch, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2017-15939?
- CVE-2017-15939 is a medium-severity vulnerability in GNU Binutils, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2017-10-27.
- How severe is CVE-2017-15939?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2017-15939 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.