Cisco AnyConnect elevation of privileges via DMG install script

Cisco AnyConnect elevation of privileges via DMG install script

Yorick Koster, July 2015

Abstract

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.

See also

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

Tested version

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

Fix

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.

Details

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