CVE Vulnerability

CVE-2018-20651

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.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

5.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=54025d5812ff100f5f0654eb7e1ffd50f2e37f5f Patch Third Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=24041 Exploit Issue Tracking
http://www.securityfocus.com/bid/106440 Third Party Advisory VDB Entry
https://support.f5.com/csp/article/K38336243 Third Party Advisory
https://security.gentoo.org/glsa/201908-01
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html
https://usn.ubuntu.com/4336-1/
Configurations

Configuration 1

cpe:2.3:a:gnu:binutils:2.31.1:*:*:*:*:*:*:*
Information

Published : 2019-01-01 04:29

Updated : 2019-08-03 01:15

NVD link : CVE-2018-20651

Mitre link : CVE-2018-20651

Products Affected
No products.
CWE
CWE-476