CVE-2016-5180

Severity CVSS v4.0:

Pending analysis

Type:

CWE-787 Out-of-bounds Write

Publication date:

03/10/2016

Last modified:

12/04/2025

Description

Heap-based buffer overflow in the ares_create_query function in c-ares 1.x before 1.12.0 allows remote attackers to cause a denial of service (out-of-bounds write) or possibly execute arbitrary code via a hostname with an escaped trailing dot.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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

Base Score 3.x

9.80

Severity 3.x

CRITICAL

Vector 2.0

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

Base Score: 7.50 HIGH
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

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

Base Score 2.0

7.50

Severity 2.0

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:c-ares:c-ares:1.0.0:::::::*
cpe:2.3:a:c-ares:c-ares:1.1.0:::::::*
cpe:2.3:a:c-ares:c-ares:1.2.0:::::::*
cpe:2.3:a:c-ares:c-ares:1.2.1:::::::*
cpe:2.3:a:c-ares:c-ares:1.3.0:::::::*
cpe:2.3:a:c-ares:c-ares:1.3.1:::::::*
cpe:2.3:a:c-ares:c-ares:1.3.2:::::::*
cpe:2.3:a:c-ares:c-ares:1.4.0:::::::*
cpe:2.3:a:c-ares:c-ares:1.5.0:::::::*
cpe:2.3:a:c-ares:c-ares:1.5.1:::::::*
cpe:2.3:a:c-ares:c-ares:1.5.2:::::::*
cpe:2.3:a:c-ares:c-ares:1.5.3:::::::*
cpe:2.3:a:c-ares:c-ares:1.6.0:::::::*
cpe:2.3:a:c-ares:c-ares:1.7.0:::::::*
cpe:2.3:a:c-ares:c-ares:1.7.1:::::::*

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

CPE	From	Up to
cpe:2.3:a:c-ares:c-ares:1.0.0:::::::*
cpe:2.3:a:c-ares:c-ares:1.1.0:::::::*
cpe:2.3:a:c-ares:c-ares:1.2.0:::::::*
cpe:2.3:a:c-ares:c-ares:1.2.1:::::::*
cpe:2.3:a:c-ares:c-ares:1.3.0:::::::*
cpe:2.3:a:c-ares:c-ares:1.3.1:::::::*
cpe:2.3:a:c-ares:c-ares:1.3.2:::::::*
cpe:2.3:a:c-ares:c-ares:1.4.0:::::::*
cpe:2.3:a:c-ares:c-ares:1.5.0:::::::*
cpe:2.3:a:c-ares:c-ares:1.5.1:::::::*
cpe:2.3:a:c-ares:c-ares:1.5.2:::::::*
cpe:2.3:a:c-ares:c-ares:1.5.3:::::::*
cpe:2.3:a:c-ares:c-ares:1.6.0:::::::*
cpe:2.3:a:c-ares:c-ares:1.7.0:::::::*
cpe:2.3:a:c-ares:c-ares:1.7.1:::::::*

CVE-2016-5180

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools