CVE-2015-0799

critical

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.

References

https://security.gentoo.org/glsa/201512-10

https://bugzilla.mozilla.org/show_bug.cgi?id=1148328

http://www.ubuntu.com/usn/USN-2557-1

http://www.securitytracker.com/id/1032030

http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html

http://www.mozilla.org/security/announce/2015/mfsa2015-44.html

http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00003.html

Details

Source: Mitre, NVD

Published: 2015-04-08

Updated: 2018-10-30

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 9.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Severity: Critical