CVE-2018-20651
MEDIUMGNU Binutils - Denial of Service via Crafted ET_DYN ELF File
Title source: llmDescription
A NULL pointer dereference was discovered in elf_link_add_object_symbols in elflink.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.31.1. This occurs for a crafted ET_DYN with no program headers. A specially crafted ELF file allows remote attackers to cause a denial of service, as demonstrated by ld.
References (8)
Core 8
Core References
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/106440
Exploit, Issue Tracking, Third Party Advisory x_refsource_misc
https://sourceware.org/bugzilla/show_bug.cgi?id=24041
Patch x_refsource_misc
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=54025d5812ff100f5f0654eb7e1ffd50f2e37f5f
Third Party Advisory x_refsource_confirm
https://support.f5.com/csp/article/K38336243
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/201908-01
Mailing List vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html
Mailing List vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html
Vendor Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4336-1/
Scores
CVSS v3
5.5
EPSS
0.0076
EPSS Percentile
73.6%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Details
CWE
CWE-476
Status
published
Products (1)
gnu/binutils
2.31.1
Published
Jan 01, 2019
Tracked Since
Feb 18, 2026