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CVE-2016-1938

UnknownEPSS 3.12%

Last modified

CVE-2016-1938 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 3.12% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
3.12%

86.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
OpensuseLeap42.1
OpensuseOpensuse13.1
OpensuseOpensuse13.2
MozillaNss<= 3.20.1
MozillaFirefox<= 43.0.4

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2016-1938?
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.
How severe is CVE-2016-1938?
Severity scoring for CVE-2016-1938 is pending analysis. The EPSS model estimates a 3.12% probability of exploitation in the next 30 days.
How do I fix CVE-2016-1938?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-1938?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST