CVE-2020-15658 Other in Firefox
Attackers can trick users into downloading a different file type than displayed by exploiting improper handling of special characters in file names.
- 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-2020-15658?
CVE-2020-15658 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 10 Aug 2020. 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
The code for downloading files did not properly take care of special characters, which led to an attacker being able to cut off the file ending at an earlier position, leading to a different file type being downloaded than shown in the dialog. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.
Weakness: CWE-754
Which versions are affected by CVE-2020-15658?
It affects 4 products.
Products include Canonical Ubuntu Linux, Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird.
How do I fix CVE-2020-15658?
Upgrade to a fixed version.
Is CVE-2020-15658 being exploited?
There is no known exploitation of CVE-2020-15658 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as GHSA-5c48-vfr3-8jxq, UBUNTU-CVE-2020-15658.