Gentoo: GLSA-201203-21 Severe: Multiple Threats in Asterisk Software
gentoo
March 28, 2012
Multiple vulnerabilities have been found in Asterisk, the worst of which may allow execution of arbitrary code.
Summary
Two vulnerabilities have been found in Asterisk:
* The "milliwatt_generate()" function in app_milliwatt.c is vulnerable
to a stack overrun (AST-2012-002).
* The "ast_parse_digest()" function in utils.c is vulnerable to a
stack-based buffer overflow (AST-2012-003).
Resolution
All Asterisk users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-misc/asterisk-1.8.10.1"
References
[ 1 ] AST-2012-002 http://downloads.asterisk.org/pub/security/AST-2012-002.txt [ 2 ] AST-2012-003 http://downloads.asterisk.org/pub/security/AST-2012-003.txt [ 3 ] CVE-2012-1183 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-1183 [ 4 ] CVE-2012-1184 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-1184
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201203-21
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: Multiple vulnerabilities
Date: March 28, 2012
Bugs: #408431
ID: 201203-21
Background
Asterisk is an open source telephony engine and toolkit.
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Affected Packages
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-misc/asterisk < 1.8.10.1 >= 1.8.10.1
Impact
=====
A remote unauthenticated attacker could execute arbitrary code or cause
a Denial of Service condition.
Workaround
There is no known workaround at this time.
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