CVE-2019-12499 Privilege escalation in n/a
Attackers can truncate the Firejail binary to zero length, potentially leading to privilege escalation or code execution if specific root termination conditions are met.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-12499?
CVE-2019-12499 is a high-severity vulnerability in n/a, published on 31 May 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Firejail before 0.9.60 allows truncation (resizing to length 0) of the firejail binary on the host by running exploit code inside a firejail sandbox and having the sandbox terminated. To succeed, certain conditions need to be fulfilled: The jail (with the exploit code inside) needs to be started as root, and it also needs to be terminated as root from the host (either by stopping it ungracefully (e.g., SIGKILL), or by using the --shutdown control command). This is similar to CVE-2019-5736.
Which versions are affected by CVE-2019-12499?
It affects 1 product.
Products include Firejail Project Firejail.
How do I fix CVE-2019-12499?
Upgrade to a fixed version.
Is CVE-2019-12499 being exploited?
There is no known exploitation of CVE-2019-12499 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2019-12499, GHSA-933r-r67f-x632, UBUNTU-CVE-2019-12499.