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.

CVSS v3.0 5.5 MEDIUM
CVSS v2.0 4.3 MEDIUM

5.5^/10

CVSS v3.0 : MEDIUM

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

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

4.3^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

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 Third Party Advisory
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/

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Configurations

Configuration 1 (hide)

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

Information

Published : 2019-01-01 08:29

Updated : 2019-08-03 06:15

NVD link : CVE-2018-20651

Mitre link : CVE-2018-20651

JSON object : View

CWE

CWE-476

NULL Pointer Dereference

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Products Affected

gnu

binutils

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