CVE-2015-0799

UnknownEPSS 1.17%

Last modified

CVE-2015-0799 is a vulnerability of currently unknown severity. The HTTP Alternative Services feature in Mozilla Firefox before 37.0.1 allows man-in-the-middle attackers to bypass an intended X.509 certificate-verification step for an SSL server by specifying that server in the uri-host field of an Alt-Svc HTTP/2 response header.. EPSS estimates a 1.17% chance of exploitation in the next 30 days.

Description

The HTTP Alternative Services feature in Mozilla Firefox before 37.0.1 allows man-in-the-middle attackers to bypass an intended X.509 certificate-verification step for an SSL server by specifying that server in the uri-host field of an Alt-Svc HTTP/2 response header.

Metrics

EPSS Probability
1.17%

63.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CanonicalUbuntu Linux12.04
CanonicalUbuntu Linux14.04
CanonicalUbuntu Linux14.10
OpensuseOpensuse13.1
OpensuseOpensuse13.2
MozillaFirefox<= 37.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2015-0799?
The HTTP Alternative Services feature in Mozilla Firefox before 37.0.1 allows man-in-the-middle attackers to bypass an intended X.509 certificate-verification step for an SSL server by specifying that server in the uri-host field of an Alt-Svc HTTP/2 response header.
How severe is CVE-2015-0799?
Severity scoring for CVE-2015-0799 is pending analysis. The EPSS model estimates a 1.17% probability of exploitation in the next 30 days.
How do I fix CVE-2015-0799?
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-2015-0799?

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

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Source: NVD / NIST