CVE-2018-7642

Severity CVSS v4.0:

Pending analysis

Type:

CWE-476 NULL Pointer Dereference

Publication date:

02/03/2018

Last modified:

07/11/2023

Description

The swap_std_reloc_in function in aoutx.h in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.30, allows remote attackers to cause a denial of service (aout_32_swap_std_reloc_out NULL pointer dereference and application crash) via a crafted ELF file, as demonstrated by objcopy.

Impact

Vector 3.x

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

5.50

Severity 3.x

MEDIUM

Vector 2.0

AV:N/AC:M/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 4.30 MEDIUM
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0

4.30

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:gnu:binutils:2.30:::::::*
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_server:7.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:::::::*

To consult the complete list of CPE names with products and versions, see this page

CPE	From	Up to
cpe:2.3:a:gnu:binutils:2.30:::::::*
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_server:7.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:::::::*

CVE-2018-7642

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools