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CVE-2015-0832

UnknownEPSS 1.05%

Last modified

CVE-2015-0832 is a vulnerability of currently unknown severity. Mozilla Firefox before 36.0 does not properly recognize the equivalence of domain names with and without a trailing . (dot) character, which allows man-in-the-middle attackers to bypass the HPKP and HSTS protection mechanisms by constructing a URL with this character and leveraging access to an X.509 certificate for a domain with this character.. EPSS estimates a 1.05% chance of exploitation in the next 30 days.

Description

Mozilla Firefox before 36.0 does not properly recognize the equivalence of domain names with and without a trailing . (dot) character, which allows man-in-the-middle attackers to bypass the HPKP and HSTS protection mechanisms by constructing a URL with this character and leveraging access to an X.509 certificate for a domain with this character.

Metrics

EPSS Probability
1.05%

59.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
OpensuseOpensuse13.1
OpensuseOpensuse13.2
CanonicalUbuntu Linux12.04
CanonicalUbuntu Linux14.04
CanonicalUbuntu Linux14.10
MozillaFirefox<= 35.0.1
MozillaFirefox0.1
MozillaFirefox0.2
MozillaFirefox0.3
MozillaFirefox0.4
MozillaFirefox0.5
MozillaFirefox0.6
MozillaFirefox0.6.1
MozillaFirefox0.7
MozillaFirefox0.7.1
MozillaFirefox0.8
MozillaFirefox0.9
MozillaFirefox0.9.1
MozillaFirefox0.9.2
MozillaFirefox0.9.3
MozillaFirefox0.10
MozillaFirefox0.10.1
MozillaFirefox1.0
MozillaFirefox1.0.1
MozillaFirefox1.0.2
MozillaFirefox1.0.3
MozillaFirefox1.0.4
MozillaFirefox1.0.5
MozillaFirefox1.0.6
MozillaFirefox1.0.7
MozillaFirefox1.0.8
MozillaFirefox1.4.1
MozillaFirefox1.5
MozillaFirefox1.5.0.1
MozillaFirefox1.5.0.2
MozillaFirefox1.5.0.3
MozillaFirefox1.5.0.4
MozillaFirefox1.5.0.5
MozillaFirefox1.5.0.6
MozillaFirefox1.5.0.7
MozillaFirefox1.5.0.8
MozillaFirefox1.5.0.9
MozillaFirefox1.5.0.10
MozillaFirefox1.5.0.11
MozillaFirefox1.5.0.12
MozillaFirefox1.5.1
MozillaFirefox1.5.2
MozillaFirefox1.5.3
MozillaFirefox1.5.4
MozillaFirefox1.5.5

Showing 50 of 220 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2015-0832?
Mozilla Firefox before 36.0 does not properly recognize the equivalence of domain names with and without a trailing . (dot) character, which allows man-in-the-middle attackers to bypass the HPKP and HSTS protection mechanisms by constructing a URL with this character and leveraging access to an X.509 certificate for a domain with this character.
How severe is CVE-2015-0832?
Severity scoring for CVE-2015-0832 is pending analysis. The EPSS model estimates a 1.05% probability of exploitation in the next 30 days.
How do I fix CVE-2015-0832?
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-2015-0832?

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

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Source: NVD / NIST