CVE-2016-5309 EXPLOIT
Patch early
A public exploit exists.
Description
The RAR file parser component in the AntiVirus Decomposer engine in Symantec Advanced Threat Protection: Network (ATP); Symantec Email Security.Cloud; Symantec Data Center Security: Server; Symantec Endpoint Protection (SEP) for Windows before 12.1.6 MP5; Symantec Endpoint Protection (SEP) for Mac; Symantec Endpoint Protection (SEP) for Linux before 12.1.6 MP6; Symantec Endpoint Protection for Small Business Enterprise (SEP SBE/SEP.Cloud); Symantec Endpoint Protection Cloud (SEPC) for Windows/Mac; Symantec Endpoint Protection Small Business Edition 12.1; CSAPI before 10.0.4 HF02; Symantec Protection Engine (SPE) before 7.0.5 HF02, 7.5.x before 7.5.4 HF02, 7.5.5 before 7.5.5 HF01, and 7.8.x before 7.8.0 HF03; Symantec Mail Security for Domino (SMSDOM) before 8.0.9 HF2.1, 8.1.x before 8.1.2 HF2.3, and 8.1.3 before 8.1.3 HF2.2; Symantec Mail Security for Microsoft Exchange (SMSMSE) before 6.5.8_3968140 HF2.3, 7.x before 7.0_3966002 HF2.1, and 7.5.x before 7.5_3966008 VHF2.2; Symantec Protection for SharePoint Servers (SPSS) before SPSS_6.0.3_To_6.0.5_HF_2.5 update, 6.0.6 before 6.0.6 HF_2.6, and 6.0.7 before 6.0.7_HF_2.7; Symantec Messaging Gateway (SMG) before 10.6.2; Symantec Messaging Gateway for Service Providers (SMG-SP) before 10.5 patch 260 and 10.6 before patch 259; Symantec Web Gateway; and Symantec Web Security.Cloud allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted RAR file that is mishandled during decompression.
Scoring
| CVSS | 5.5 (MEDIUM, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| EPSS | 6.88% — more likely to be exploited than 94% of all CVEs |
| Weakness | CWE-125 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2017-04-14 |
| Last modified | 2026-06-17 |
Affected (15)
| Vendor | Product |
|---|---|
| broadcom | symantec data center security server |
| symantec | advanced threat protection |
| symantec | csapi |
| symantec | email security.cloud |
| symantec | endpoint protection |
| symantec | endpoint protection cloud |
| symantec | endpoint protection for small business |
| symantec | mail security for domino |
| symantec | mail security for microsoft exchange |
| symantec | messaging gateway |
| symantec | messaging gateway for service providers |
| symantec | protection engine |
| symantec | protection for sharepoint servers |
| symantec | web gateway |
| symantec | web security.cloud |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Symantec RAR Decomposer Engine (Multiple Products) - Out-of-Bounds Read / Out-of-Bounds Write | 2016-09-21 |
References
- http://www.securityfocus.com/bid/92868
- http://www.securitytracker.com/id/1036847
- http://www.securitytracker.com/id/1036848
- http://www.securitytracker.com/id/1036849
- http://www.securitytracker.com/id/1036850
- https://bugs.chromium.org/p/project-zero/issues/detail?id=867
- https://www.exploit-db.com/exploits/40405/
- https://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20160919_00
- http://www.securityfocus.com/bid/92868
- http://www.securitytracker.com/id/1036847
- http://www.securitytracker.com/id/1036848
- http://www.securitytracker.com/id/1036849
- http://www.securitytracker.com/id/1036850
- https://bugs.chromium.org/p/project-zero/issues/detail?id=867
- https://www.exploit-db.com/exploits/40405/
- https://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20160919_00
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