CVE-2018-20651

medium

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.

References

https://usn.ubuntu.com/4336-1/

https://support.f5.com/csp/article/K38336243

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=54025d5812ff100f5f0654eb7e1ffd50f2e37f5f

https://security.gentoo.org/glsa/201908-01

http://www.securityfocus.com/bid/106440

http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html

Details

Source: Mitre, NVD

Published: 2019-01-01

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Severity: Medium