CVEvulnerability
CVE-2018-20651
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2019-01-01
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 5.5 MEDIUM — CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-476
Description
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.
Affected configurations
• gnu binutils 2.31.1
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html lists.opensuse.org
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html lists.opensuse.org
- http://www.securityfocus.com/bid/106440 Third Party Advisory, VDB Entry
- https://security.gentoo.org/glsa/201908-01 security.gentoo.org
- https://sourceware.org/bugzilla/show_bug.cgi?id=24041 Exploit, Issue Tracking, Third Party Advisory
- https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=54025d5812ff100f5f0654eb7e1ffd50f2e37f5f sourceware.org
- https://support.f5.com/csp/article/K38336243 Third Party Advisory
- https://usn.ubuntu.com/4336-1/ usn.ubuntu.com
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html lists.opensuse.org
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html lists.opensuse.org
- http://www.securityfocus.com/bid/106440 Third Party Advisory, VDB Entry
- https://security.gentoo.org/glsa/201908-01 security.gentoo.org
- https://sourceware.org/bugzilla/show_bug.cgi?id=24041 Exploit, Issue Tracking, Third Party Advisory
- https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=54025d5812ff100f5f0654eb7e1ffd50f2e37f5f sourceware.org
- https://support.f5.com/csp/article/K38336243 Third Party Advisory
- https://usn.ubuntu.com/4336-1/ usn.ubuntu.com