Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2015-7975

Severity CVSS v4.0:
Pending analysis
Type:
CWE-119 Buffer Errors
Publication date:
30/01/2017
Last modified:
21/11/2017

Description

The nextvar function in NTP before 4.2.8p6 and 4.3.x before 4.3.90 does not properly validate the length of its input, which allows an attacker to cause a denial of service (application crash).

Impact

Vector 3.x
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 6.20 MEDIUM
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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

Base Score 3.x
6.20
Severity 3.x
MEDIUM
Vector 2.0
AV:L/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 2.10 LOW
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P

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

Base Score 2.0
2.10
Severity 2.0
LOW

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:ntp:ntp:*:p5:*:*:*:*:*:* 4.2.8 (including)
cpe:2.3:a:ntp:ntp:4.3.0:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.3.1:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.3.2:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.3.3:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.3.4:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.3.5:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.3.6:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.3.7:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.3.8:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.3.10:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.3.11:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.3.12:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.3.13:*:*:*:*:*:*:*
cpe:2.3:a:ntp:ntp:4.3.14:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools