CVE-2016-3645 EXPLOIT
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 24.61% — more likely to be exploited than 98% of all CVEs |
| Weakness | CWE-189 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2016-06-30 |
| Last modified | 2026-06-17 |
Affected (18)
| Vendor | Product |
|---|---|
| symantec | advanced threat protection |
| symantec | csapi |
| symantec | data center security server |
| symantec | endpoint protection |
| symantec | mail security for domino |
| symantec | mail security for microsoft exchange |
| symantec | message gateway |
| symantec | message gateway for service providers |
| symantec | ngc |
| symantec | norton 360 |
| symantec | norton antivirus |
| symantec | norton bootable removal tool |
| symantec | norton internet security |
| symantec | norton power eraser |
| symantec | norton security |
| symantec | norton security with backup |
| symantec | protection engine |
| symantec | protection for sharepoint servers |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Symantec AntiVirus - TNEF Decoder Integer Overflow | 2016-06-29 |
References
- http://www.securityfocus.com/bid/91439
- http://www.securitytracker.com/id/1036198
- http://www.securitytracker.com/id/1036199
- https://www.exploit-db.com/exploits/40035/
- https://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20160628_00
- http://www.securityfocus.com/bid/91439
- http://www.securitytracker.com/id/1036198
- http://www.securitytracker.com/id/1036199
- https://www.exploit-db.com/exploits/40035/
- https://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20160628_00
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