CVE-2015-0812 Security feature bypass in n/a

Medium 4.3 Published Updated

Man-in-the-middle attackers can bypass user confirmation for lightweight theme installations by exploiting lack of HTTPS enforcement in Firefox.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2015-0812?

CVE-2015-0812 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 1 Apr 2015. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-17

Which versions are affected by CVE-2015-0812?

It affects 3 products.

Products include Canonical Ubuntu Linux, Mozilla Firefox, Opensuse Opensuse.

How do I fix CVE-2015-0812?

Upgrade to a fixed version.

Is CVE-2015-0812 being exploited?

There is no known exploitation of CVE-2015-0812 in the wild and no public exploit code.

All Canonical Ubuntu Linux vulnerabilities

Sources

Also known as GHSA-xp29-g429-j593, UBUNTU-CVE-2015-0812.

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