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Vulnerability of Symantec Endpoint Encryption: privilege escalation via EEDService

Synthesis of the vulnerability 

A local attacker can put a malicious DLL in the path of EEDService of Symantec Endpoint Encryption, in order to escalate his privileges.
Impacted products: Symantec Endpoint Encryption.
Severity of this bulletin: 2/4.
Creation date: 09/05/2016.
Références of this threat: BID-90050, CVE-2015-8156, SYM16-006, VIGILANCE-VUL-19563.

Description of the vulnerability 

The Symantec Endpoint Encryption product installs the EEDService service.

However, the access path to a DLL is not quoted.

A local attacker can therefore put a malicious DLL in the path of EEDService of Symantec Endpoint Encryption, in order to escalate his privileges.
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This computer threat bulletin impacts software or systems such as Symantec Endpoint Encryption.

Our Vigil@nce team determined that the severity of this security threat is medium.

The trust level is of type confirmed by the editor, with an origin of user shell.

An attacker with a expert ability can exploit this computer vulnerability alert.

Solutions for this threat 

Symantec Endpoint Encryption: version 11.1.1.
The version 11.1.1 is fixed:
  https://symantec.flexnetoperations.com/
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