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CVE-2014-1492

UnknownEPSS 1.77%

Last modified

CVE-2014-1492 is a vulnerability of currently unknown severity. The cert_TestHostName function in lib/certdb/certdb.c in the certificate-checking implementation in Mozilla Network Security Services (NSS) before 3.16 accepts a wildcard character that is embedded in an internationalized domain name's U-label, which might allow man-in-the-middle attackers to spoof SSL servers via a crafted certificate.. EPSS estimates a 1.77% chance of exploitation in the next 30 days.

Description

The cert_TestHostName function in lib/certdb/certdb.c in the certificate-checking implementation in Mozilla Network Security Services (NSS) before 3.16 accepts a wildcard character that is embedded in an internationalized domain name's U-label, which might allow man-in-the-middle attackers to spoof SSL servers via a crafted certificate.

Metrics

EPSS Probability
1.77%

75.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MozillaNetwork Security Services<= 3.15.5
MozillaNetwork Security Services3.2
MozillaNetwork Security Services3.2.1
MozillaNetwork Security Services3.3
MozillaNetwork Security Services3.3.1
MozillaNetwork Security Services3.3.2
MozillaNetwork Security Services3.4
MozillaNetwork Security Services3.4.1
MozillaNetwork Security Services3.4.2
MozillaNetwork Security Services3.5
MozillaNetwork Security Services3.6
MozillaNetwork Security Services3.6.1
MozillaNetwork Security Services3.7
MozillaNetwork Security Services3.7.1
MozillaNetwork Security Services3.7.2
MozillaNetwork Security Services3.7.3
MozillaNetwork Security Services3.7.5
MozillaNetwork Security Services3.7.7
MozillaNetwork Security Services3.8
MozillaNetwork Security Services3.9
MozillaNetwork Security Services3.11.2
MozillaNetwork Security Services3.11.3
MozillaNetwork Security Services3.11.4
MozillaNetwork Security Services3.11.5
MozillaNetwork Security Services3.12
MozillaNetwork Security Services3.12.1
MozillaNetwork Security Services3.12.2
MozillaNetwork Security Services3.12.3
MozillaNetwork Security Services3.12.3.1
MozillaNetwork Security Services3.12.3.2
MozillaNetwork Security Services3.12.4
MozillaNetwork Security Services3.12.5
MozillaNetwork Security Services3.12.6
MozillaNetwork Security Services3.12.7
MozillaNetwork Security Services3.12.8
MozillaNetwork Security Services3.12.9
MozillaNetwork Security Services3.12.10
MozillaNetwork Security Services3.12.11
MozillaNetwork Security Services3.14
MozillaNetwork Security Services3.14.1
MozillaNetwork Security Services3.14.2
MozillaNetwork Security Services3.14.3
MozillaNetwork Security Services3.14.4
MozillaNetwork Security Services3.14.5
MozillaNetwork Security Services3.15
MozillaNetwork Security Services3.15.1
MozillaNetwork Security Services3.15.2
MozillaNetwork Security Services3.15.3
MozillaNetwork Security Services3.15.3.1
MozillaNetwork Security Services3.15.4

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2014-1492?
The cert_TestHostName function in lib/certdb/certdb.c in the certificate-checking implementation in Mozilla Network Security Services (NSS) before 3.16 accepts a wildcard character that is embedded in an internationalized domain name's U-label, which might allow man-in-the-middle attackers to spoof SSL servers via a crafted certificate.
How severe is CVE-2014-1492?
Severity scoring for CVE-2014-1492 is pending analysis. The EPSS model estimates a 1.77% probability of exploitation in the next 30 days.
How do I fix CVE-2014-1492?
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-2014-1492?

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

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Source: NVD / NIST