CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.5	$0-$5k	0.00

A vulnerability classified as critical has been found in Symantec Endpoint Protection up to 12.1.6 MP4 (Anti-Malware Software). Affected is some unknown functionality of the component Dec2SS. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability.

The bug was discovered 06/28/2016. The weakness was presented 06/28/2016 by Tavis Ormandy with Google as SYM16-010 as confirmed advisory (Website). The advisory is available at symantec.com. This vulnerability is traded as CVE-2016-2209 since 02/02/2016. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 91895 (Symantec Endpoint Protection Client 12.1.x < 12.1 RU6 MP5 Multiple Vulnerabilities (SYM16-010)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370074 (Symantec Multiple Products Decomposer Engine Multiple File Parsing Vulnerabilities (SYM16-010)).

Applying the patch 12.1 RU6 MP5 is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (91895) and Exploit-DB (40037). See 88397, 88399, 88400 and 88401 for similar entries.

Affected

• Symantec Advanced Threat Protection
• Symantec Critical System Protection
• Symantec CSAPI
• Symantec Data Center Server
• Symantec Email Security Server .Cloud
• Symantec Embedded Systems Critical System Protection
• Symantec Endpoint Protection
• Symantec Endpoint Protection for Linux
• Symantec Endpoint Protection for Mac
• Symantec Mail Security for Domino
• Symantec Mail Security for Microsoft Exchange
• Symantec Message Gateway
• Symantec Message Gateway for Service Providers
• Symantec Norton 360
• Symantec Norton AntiVirus
• Symantec Norton Security
• Symantec Protection Engine
• Symantec Protection for SharePoint Servers
• Symantec Web Gateway
• Symantec Web Security .Cloud

Productinfo

Type

• Anti-Malware Software

Vendor

• Symantec

Name

• Endpoint Protection

License

• commercial

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.5

VulDB Base Score: 8.6
VulDB Temp Score: 7.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.3
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 91895
Nessus Name: Symantec Endpoint Protection Client 12.1.x < 12.1 RU6 MP5 Multiple Vulnerabilities (SYM16-010)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 900306
OpenVAS Name: Symantec Messaging Gateway Decomposer Engine Multiple Parsing Vulnerabilities)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: 12.1 RU6 MP5
Suricata ID: 2022923
Suricata Class: 🔍
Suricata Message: 🔍

Timelineinfo

02/02/2016 🔍
06/28/2016 +147 days 🔍
06/28/2016 +0 days 🔍
06/28/2016 +0 days 🔍
06/28/2016 +0 days 🔍
06/29/2016 +1 days 🔍
06/30/2016 +1 days 🔍
06/30/2016 +0 days 🔍
06/30/2016 +0 days 🔍
08/25/2022 +2247 days 🔍

Sourcesinfo

Vendor: symantec.com

Advisory: SYM16-010
Researcher: Tavis Ormandy
Organization: Google
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-2209 (🔍)
OVAL: 🔍

SecurityTracker: 1036198
SecurityFocus: 91436 - Multiple Symantec Products CVE-2016-2209 Dec2SS Buffer Overflow Vulnerability

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 06/30/2016 11:59 AM
Updated: 08/25/2022 02:28 PM
Changes: 06/30/2016 11:59 AM (89), 07/07/2019 02:36 PM (8), 08/25/2022 02:28 PM (3)
Complete: 🔍

Discussion

Want to stay up to date on a daily basis?

Enable the mail alert feature now!