Cisco AnyConnect elevation of privileges via DMG install script

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Cisco AnyConnect elevation of privileges via DMG install script
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Yorick Koster, July 2015

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Abstract
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Cisco AnyConnect Secure Mobility Client for OS X is affected by a
vulnerability that allows local attackers to mount arbitrary DMG files
at arbitrary mount points. By exploiting this vulnerability is is
possible for the attacker to gain root privileges. Cisco reports that a
similar issue also exists in Cisco AnyConnect Secure Mobility Client for
Linux.

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See also
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- CVE-2015-6306
- http://tools.cisco.com/security/center/viewAlert.x?alertId=41135

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Tested version
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This issue was successfully verified on Cisco AnyConnect Secure Mobility
Client for OS X version 3.1.08009.

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Fix
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There is currently no fix available. Updates are expected to be released
on September 30, 2015.

Cisco has released bug ID CSCuv11947 for registered users, which
contains additional details and an up-to-date list of affected product
versions.

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Details
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https://www.securify.nl/advisory/SFY20150701/cisco_anyconnect_elevation_of_privileges_via_dmg_install_script.html