Gentoo GLSA-201702-03 High: Firejail Privilege Escalation Threat
gentoo
February 9, 2017
Firejail is vulnerable to the escalation of privileges due to an incomplete fix for CVE-2017-5180.
Summary
The unaffected packages listed in GLSA 201612-48 had an incomplete fix as reported by Sebastian Krahmer of SuSE. This has been properly patched in the latest releases.
Topics Covered
Resolution
All Firejail users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-apps/firejail-0.9.44.8"
All Firejail-lts users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot -v ">=sys-apps/firejail-lts-0.9.38.10"
All Firejail-lts users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot -v ">=sys-apps/firejail-lts-0.9.38.10"
References
[ 1 ] CVE-2017-5940 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-5940 [ 2 ] Firejail Release Notes https://firejail.wordpress.com/download-2/release-notes/ [ 3 ] GLSA 201612-48 https://security.gentoo.org/glsa/201612-48
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201702-03
style>.gentoo_availability{display:block;}
Concerns
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
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Severity: High
Title: Firejail: Privilege escalation
Date: February 09, 2017
Bugs: #607382
ID: 201702-03
Topics Covered
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.
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Affected Packages
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 sys-apps/firejail < 0.9.44.8 >= 0.9.44.8
2 sys-apps/firejail-lts < 0.9.38.10 >= 0.9.38.10
-------------------------------------------------------------------
2 affected packages
Impact
=====
An attacker could possibly bypass sandbox protection, cause a Denial of
Service condition, or escalate privileges.
Workaround
There is no known workaround at this time.
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