CVE-2015-0832 Security feature bypass in n/a

What is CVE-2015-0832?

CVE-2015-0832 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 25 Feb 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 36.0 does not properly recognize the equivalence of domain names with and without a trailing . (dot) character, which allows man-in-the-middle attackers to bypass the HPKP and HSTS protection mechanisms by constructing a URL with this character and leveraging access to an X.509 certificate for a domain with this character.

Weakness: CWE-254

Which versions are affected by CVE-2015-0832?

It affects 3 products.

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

How do I fix CVE-2015-0832?

Upgrade to a fixed version.

Is CVE-2015-0832 being exploited?

There is no known exploitation of CVE-2015-0832 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-vmh3-65w6-vq3x, UBUNTU-CVE-2015-0832.