CVE-2015-0799

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.

Category

4.3
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.12%
Vendor Advisory ubuntu.com Vendor Advisory gentoo.org Vendor Advisory opensuse.org Vendor Advisory mozilla.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.ubuntu.com/usn/USN-2557-1 vendor advisory
https://security.gentoo.org/glsa/201512-10 vendor advisory
http://www.mozilla.org/security/announce/2015/mfsa2015-44.html vendor advisory
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
https://bugzilla.mozilla.org/show_bug.cgi?id=1148328
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00003.html vendor advisory
http://www.securitytracker.com/id/1032030 vdb entry

Frequently Asked Questions

What is the severity of CVE-2015-0799?
CVE-2015-0799 has been scored as a medium severity vulnerability.
How to fix CVE-2015-0799?
To fix CVE-2015-0799, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-0799 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2015-0799 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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