CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
AI Score
Confidence
Low
EPSS
Percentile
50.8%
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.
lists.opensuse.org/opensuse-security-announce/2015-04/msg00003.html
www.mozilla.org/security/announce/2015/mfsa2015-44.html
www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
www.securitytracker.com/id/1032030
www.ubuntu.com/usn/USN-2557-1
bugzilla.mozilla.org/show_bug.cgi?id=1148328
security.gentoo.org/glsa/201512-10