Firejail: Multiple vulnerabilities — GLSA 201612-48

Multiple vulnerabilities have been discovered in Firejail, the worst of which may allow bypassing of sandbox protection.

Affected Packages

sys-apps/firejail on all architectures
Affected versions < 0.9.44.2
Unaffected versions >= 0.9.44.2
sys-apps/firejail-lts on all architectures
Affected versions
Unaffected versions >= 0.9.38.6

Background

A SUID program that reduces the risk of security breaches by restricting the running environment of untrusted applications using Linux namespaces and seccomp-bpf.

Description

Multiple vulnerabilities have been discovered in Firejail. Please review upstream’s release notes below for details.

Impact

A remote attacker could possibly bypass sandbox protection, cause a Denial of Service condition, or change a system’s DNS server.

Workaround

There is no known workaround at this time.

Resolution

All Firejail users should switch to the newly added LTS version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=sys-apps/firejail-lts-0.9.38.6"
 

Users who want to stay on the current branch should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=sys-apps/firejail-0.9.44.2"
 

References

Release Date
December 27, 2016

Latest Revision
December 27, 2016: 1

Severity
normal

Exploitable
local, remote

Bugzilla entries