CVE-2016-1938

Severity CVSS v4.0:

Pending analysis

Type:

CWE-310 Cryptographic Issues

Publication date:

31/01/2016

Last modified:

12/04/2025

Description

The s_mp_div function in lib/freebl/mpi/mpi.c in Mozilla Network Security Services (NSS) before 3.21, as used in Mozilla Firefox before 44.0, improperly divides numbers, which might make it easier for remote attackers to defeat cryptographic protection mechanisms by leveraging use of the (1) mp_div or (2) mp_exptmod function.

Impact

Vector 3.x

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

Base Score: 6.50 MEDIUM
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

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

Base Score 3.x

6.50

Severity 3.x

MEDIUM

Vector 2.0

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

Base Score: 6.40 MEDIUM
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:N

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

Base Score 2.0

6.40

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:opensuse:leap:42.1:::::::*
cpe:2.3:o:opensuse:opensuse:13.1:::::::*
cpe:2.3:o:opensuse:opensuse:13.2:::::::*
cpe:2.3:a:mozilla:nss::::::::		3.20.1 (including)
cpe:2.3:a:mozilla:firefox::::::::		43.0.4 (including)

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

CVE-2016-1938

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools