VulnerabilityModified
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…
MEDIUM 4.3EPSS 1.17%
Does this matter?
Lower severity and a low EPSS score (1.17%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
- EPSS
- 1.17% probability · 66th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- canonical/ubuntu linux · opensuse/opensuse · mozilla/firefox
- Source
- security@mozilla.org
References
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00003.html
- http://www.mozilla.org/security/announce/2015/mfsa2015-44.htmlVendor Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- http://www.securitytracker.com/id/1032030
- http://www.ubuntu.com/usn/USN-2557-1
- https://bugzilla.mozilla.org/show_bug.cgi?id=1148328
- https://security.gentoo.org/glsa/201512-10
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00003.html
- http://www.mozilla.org/security/announce/2015/mfsa2015-44.htmlVendor Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- http://www.securitytracker.com/id/1032030
- http://www.ubuntu.com/usn/USN-2557-1
- https://bugzilla.mozilla.org/show_bug.cgi?id=1148328
- https://security.gentoo.org/glsa/201512-10
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.