Gentoo: GLSA-202006-20 High: Asterisk Root Privilege Escalation
gentoo
June 15, 2020
A vulnerability was discovered in Asterisk which may allow local attackers to gain root privileges.
Summary
It was discovered that Gentoo’s Asterisk ebuild does not properly set permissions on its data directories. This only affects OpenRC systems, as the flaw was exploitable via the init script.
Resolution
All Asterisk users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-misc/asterisk-13.32.0-r1"
References
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202006-20
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: Asterisk: Root privilege escalation
Date: June 15, 2020
Bugs: #602722
ID: 202006-20
Background
A Modular Open Source PBX System.
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Affected Packages
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Package / Vulnerable / Unaffected
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1 net-misc/asterisk < 13.32.0-r1 >= 13.32.0-r1
Impact
=====
A local attacker could escalate privileges.
Workaround
Users should ensure the proper permissions are set as discussed in the referenced bugs. Do not run /etc/init.d/asterisk checkperms.
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