CVE-2016-3645

Name: CVE-2016-3645
Creator: NVD / NIST
Published: 2016-06-30T23:59:06.747+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 24.61%

Last modified Jun 17, 2026

CVE-2016-3645 is a vulnerability of currently unknown severity. Integer overflow in the TNEF unpacker in the AntiVirus Decomposer engine in Symantec Advanced Threat Protection (ATP); Symantec Data Center Security:Server (SDCS:S) 6.x through 6.6 MP1; Symantec Web Gateway; Symantec Endpoint Protection (SEP) before 12.1 RU6 MP5; Symantec Endpoint Protection (SEP) for Mac; Symantec Endpoint Protection (SEP) for Linux before 12.1 RU6 MP5; Symantec Protection Engine (SPE) before 7.0.5 HF01, 7.5.x before 7.5.3 HF03, 7.5.4 before HF01, and 7.8.0 before HF01; Symantec Protection for SharePoint Servers (SPSS) 6.0.3 through 6.0.5 before 6.0.5 HF 1.5 and 6.0.6 before HF 1.6; Symantec Mail Security for Microsoft Exchange (SMSMSE) before 7.0_3966002 HF1.1 and 7.5.x before 7.5_3966008 VHF1.2; Symantec Mail Security for Domino (SMSDOM) before 8.0.9 HF1.1 and 8.1.x before 8.1.3 HF1.2; CSAPI before 10.0.4 HF01; Symantec Message Gateway (SMG) before 10.6.1-4; Symantec Message Gateway for Service Providers (SMG-SP) 10.5 before patch 254 and 10.6 before patch 253; Norton AntiVirus, Norton Security, Norton Internet Security, and Norton 360 before NGC 22.7; Norton Security for Mac before 13.0.2; Norton Power Eraser (NPE) before 5.1; and Norton Bootable Removal Tool (NBRT) before 2016.1 allows remote attackers to have an unspecified impact via crafted TNEF data.. EPSS estimates a 24.61% chance of exploitation in the next 30 days.

Description

Integer overflow in the TNEF unpacker in the AntiVirus Decomposer engine in Symantec Advanced Threat Protection (ATP); Symantec Data Center Security:Server (SDCS:S) 6.x through 6.6 MP1; Symantec Web Gateway; Symantec Endpoint Protection (SEP) before 12.1 RU6 MP5; Symantec Endpoint Protection (SEP) for Mac; Symantec Endpoint Protection (SEP) for Linux before 12.1 RU6 MP5; Symantec Protection Engine (SPE) before 7.0.5 HF01, 7.5.x before 7.5.3 HF03, 7.5.4 before HF01, and 7.8.0 before HF01; Symantec Protection for SharePoint Servers (SPSS) 6.0.3 through 6.0.5 before 6.0.5 HF 1.5 and 6.0.6 before HF 1.6; Symantec Mail Security for Microsoft Exchange (SMSMSE) before 7.0_3966002 HF1.1 and 7.5.x before 7.5_3966008 VHF1.2; Symantec Mail Security for Domino (SMSDOM) before 8.0.9 HF1.1 and 8.1.x before 8.1.3 HF1.2; CSAPI before 10.0.4 HF01; Symantec Message Gateway (SMG) before 10.6.1-4; Symantec Message Gateway for Service Providers (SMG-SP) 10.5 before patch 254 and 10.6 before patch 253; Norton AntiVirus, Norton Security, Norton Internet Security, and Norton 360 before NGC 22.7; Norton Security for Mac before 13.0.2; Norton Power Eraser (NPE) before 5.1; and Norton Bootable Removal Tool (NBRT) before 2016.1 allows remote attackers to have an unspecified impact via crafted TNEF data.

Metrics

EPSS Probability

24.61%

97.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-189

Affected Software

Vendor	Product	Versions
Symantec	Norton Security	<= 13.0.1
Symantec	Protection Engine	>= 7.0.0, <= 7.0.5
Symantec	Protection Engine	>= 7.5.0, <= 7.5.4
Symantec	Protection Engine	7.8.0
Symantec	Advanced Threat Protection	<= 2.0.3
Symantec	Norton Bootable Removal Tool	<= 2016.0
Symantec	Data Center Security Server	6.0
Symantec	Data Center Security Server	6.5
Symantec	Data Center Security Server	6.6
Symantec	Protection For Sharepoint Servers	>= 6.0, <= 6.0.6
Symantec	Protection For Sharepoint Servers	>= 6.03, <= 6.05
Symantec	Message Gateway For Service Providers	10.5
Symantec	Message Gateway For Service Providers	10.6
Symantec	Csapi	<= 10.0.4
Symantec	Endpoint Protection	12.1.6
Symantec	Norton Power Eraser	<= 5.0
Symantec	Mail Security For Domino	>= 8.0, <= 8.0.9
Symantec	Mail Security For Domino	>= 8.1, <= 8.1.3
Symantec	Mail Security For Microsoft Exchange	>= 7.0, <= 7.0.4
Symantec	Mail Security For Microsoft Exchange	>= 7.5, <= 7.5.4
Symantec	Mail Security For Microsoft Exchange	6.5.8
Symantec	Message Gateway	<= 10.6.1-3
Symantec	Norton 360	All versions
Symantec	Norton Antivirus	All versions
Symantec	Norton Internet Security	All versions
Symantec	Norton Security	All versions
Symantec	Norton Security With Backup	All versions
Symantec	Ngc	<= 22.6

References

http://www.securityfocus.com/bid/91439Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1036198Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1036199Third Party Advisory, VDB Entry
https://www.exploit-db.com/exploits/40035/Third Party Advisory, VDB Entry
https://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20160628_00Vendor Advisory
http://www.securityfocus.com/bid/91439Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1036198Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1036199Third Party Advisory, VDB Entry
https://www.exploit-db.com/exploits/40035/Third Party Advisory, VDB Entry
https://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20160628_00Vendor Advisory

Timeline

Published: Jun 30, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-3645?

How severe is CVE-2016-3645?

Severity scoring for CVE-2016-3645 is pending analysis. The EPSS model estimates a 24.61% probability of exploitation in the next 30 days.

How do I fix CVE-2016-3645?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-3645?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST