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[ GLSA 201202-06 ] Asterisk: Denial of Service
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PostPosted: Wed Feb 22, 2012 11:26 pm    Post subject: [ GLSA 201202-06 ] Asterisk: Denial of Service Reply with quote

Gentoo Linux Security Advisory

Title: Asterisk: Denial of Service (GLSA 201202-06)
Severity: normal
Exploitable: remote
Date: February 22, 2012
Bug(s): #399507
ID: 201202-06

Synopsis

A vulnerability in Asterisk could allow a remote attacker to cause
a Denial of Service condition.


Background

Asterisk is an open source telephony engine and toolkit.

Affected Packages

Package: net-misc/asterisk
Vulnerable: < 1.8.8.2
Unaffected: >= 1.8.8.2
Architectures: All supported architectures


Description

A vulnerability has been found in Asterisk's handling of certain
encrypted streams where the res_srtp module has been loaded but video
support has not been enabled.


Impact

A remote attacker could send a specially crafted SDP message to the
Asterisk daemon, possibly resulting in a Denial of Service condition.


Workaround

There is no known workaround at this time.

Resolution

All Asterisk users should upgrade to the latest version:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=net-misc/asterisk-1.8.8.2"
   


References

CVE-2012-0885
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