6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
6.4 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:P/A:N
0.003 Low
EPSS
Percentile
70.5%
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.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 12.04 | noarch | firefox | < 44.0+build3-0ubuntu0.12.04.1 | UNKNOWN |
ubuntu | 14.04 | noarch | firefox | < 44.0+build3-0ubuntu0.14.04.1 | UNKNOWN |
ubuntu | 15.04 | noarch | firefox | < 44.0+build3-0ubuntu0.15.04.1 | UNKNOWN |
ubuntu | 15.10 | noarch | firefox | < 44.0+build3-0ubuntu0.15.10.1 | UNKNOWN |
ubuntu | 16.04 | noarch | firefox | < 44.0+build3-0ubuntu1 | UNKNOWN |
ubuntu | 16.10 | noarch | firefox | < 44.0+build3-0ubuntu1 | UNKNOWN |
ubuntu | 17.04 | noarch | firefox | < 44.0+build3-0ubuntu1 | UNKNOWN |
ubuntu | 12.04 | noarch | nss | < 2:3.21-0ubuntu0.12.04.1 | UNKNOWN |
ubuntu | 14.04 | noarch | nss | < 2:3.21-0ubuntu0.14.04.1 | UNKNOWN |
ubuntu | 15.10 | noarch | nss | < 2:3.21-0ubuntu0.15.10.1 | UNKNOWN |
blog.fuzzing-project.org/37-Mozilla-NSS-Wrong-calculation-results-in-mp_div-and-mp_exptmod.html
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1938
launchpad.net/bugs/cve/CVE-2016-1938
nvd.nist.gov/vuln/detail/CVE-2016-1938
security-tracker.debian.org/tracker/CVE-2016-1938
ubuntu.com/security/notices/USN-2880-1
ubuntu.com/security/notices/USN-2903-1
ubuntu.com/security/notices/USN-2973-1
www.mozilla.org/en-US/security/advisories/mfsa2016-07/
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
6.4 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:P/A:N
0.003 Low
EPSS
Percentile
70.5%