CVE-2015-0812

Mozilla: Add-on lightweight theme installation approval bypassed through MITM attack (MFSA 2015-32)

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Severity

Moderate

Red Hat Product Security

5.1

CVSS 2.0

Review impact separately from score.

Published · March 31, 2015

Updated · January 14, 2026

Description

Mozilla Firefox before 37.0 does not require an HTTPS session for lightweight theme add-on installations, which allows man-in-the-middle attackers to bypass an intended user-confirmation requirement by deploying a crafted web site and conducting a DNS spoofing attack against a mozilla.org subdomain.

Statement

This issue does not affect the version of firefox and thunderbird as shipped with Red Hat Enterprise Linux 5, 6 and 7.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 2.0 · 5.1
AV:N/AC:H/Au:N/C:P/I:P/A:P

CWE-306 · Missing Authentication for Critical Function