Symantec Endpoint Encryption/Encryption Desktop up to 11.2.x privilege escalation

A vulnerability was found in Symantec Endpoint Encryption and Encryption Desktop up to 11.2.x and classified as critical. This issue affects some unknown functionality. The manipulation with an unknown input leads to a privilege escalation vulnerability. Using CWE to declare the problem leads to CWE-269. Impacted is confidentiality, integrity, and availability.

The weakness was released 06/17/2019 by Kyriakos Economou as SYMSA1485 as confirmed security advisory (Website). It is possible to read the advisory at support.symantec.com. The identification of this vulnerability is CVE-2019-9703. The exploitation is known to be difficult. Attacking locally is a requirement. The successful exploitation needs a single authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/01/2019).

Upgrading to version 11.3.0 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 108796). Entry connected to this vulnerability is available at 137110.

Vendor

• Symantec

Name

• Encryption Desktop
• Endpoint Encryption

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VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.2

VulDB Base Score: 4.5
VulDB Temp Score: 4.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

Vendor Base Score (Symantec): 6.5
Vendor Vector (Symantec): 🔒

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Privilege escalation (CWE-269)
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍Recommended: Upgrade
Status: 🔍

Reaction Time: 🔒
0-Day Time: 🔒
Exposure Time: 🔒

Upgrade: Endpoint Encryption/Encryption Desktop 11.3.0

06/17/2019 Advisory disclosed
06/17/2019 +0 days Countermeasure disclosed
06/28/2019 +11 days SecurityFocus entry assigned
07/01/2019 +3 days VulDB entry created
07/01/2019 +0 days VulDB last updateVendor: symantec.com

Advisory: SYMSA1485
Researcher: Kyriakos Economou
Status: Confirmed

CVE: CVE-2019-9703 (🔒)
SecurityFocus: 108796 - Symantec Endpoint Encryption CVE-2019-9703 Local Privilege Escalation Vulnerability

See also: 🔒

Created: 07/01/2019 07:14 AM
Complete: 🔍

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