CVE-2020-15685 Command injection in Thunderbird
Attackers can inject protocol commands during STARTTLS setup in Thunderbird, potentially leading to code execution within the encrypted session.
- 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-2020-15685?
CVE-2020-15685 is a high-severity command injection vulnerability in Mozilla Thunderbird, published on 22 Dec 2022. 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
During the plaintext phase of the STARTTLS connection setup, protocol commands could have been injected and evaluated within the encrypted session. This vulnerability affects Thunderbird < 78.7.
Weakness: CWE-77
Which versions are affected by CVE-2020-15685?
It affects 1 product.
Products include Mozilla Thunderbird.
How do I fix CVE-2020-15685?
Upgrade to a fixed version.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2020-15685 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-15685 exists.
Other vulnerabilities in Mozilla Thunderbird
Sources
Also known as DEBIAN-CVE-2020-15685, GHSA-c839-4fpv-9xp7, UBUNTU-CVE-2020-15685.