CVE-2016-5309

medium
Published 2017-04-14 ยท Modified 2026-05-13
CVSS v3
5.5
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
6.5

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.

Predictions

Exploit likelihood
55%
Patch ETA
โ€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-40405 dos multiple verified
Google Security Research ยท 2016-09-21

Symantec RAR Decomposer Engine (Multiple Products) - Out-of-Bounds Read / Out-of-Bounds Write

Source code queued for fetch โ€” refresh in a moment.

Application impact

VendorProductVersionsFixed
vmware broadcomsymantec_data_center_security_server-
symantecadvanced_threat_protection-
symanteccsapi{"endIncluding":"10.0.4"}
symantecemail_security.cloud-
symantecendpoint_protection{"endIncluding":"12.1.4"}
symantecendpoint_protection_cloud-
symantecendpoint_protection_for_small_business{"endIncluding":"12.1"}
symantecendpoint_protection_for_small_business-
symantecmail_security_for_domino{"endIncluding":"8.0.9"}
symantecmail_security_for_domino8.1.2
symantecmail_security_for_domino8.1.3
symantecmail_security_for_microsoft_exchange{"endIncluding":"6.5.8"}
symantecmail_security_for_microsoft_exchange7.0
symantecmail_security_for_microsoft_exchange7.0.1
symantecmail_security_for_microsoft_exchange7.0.2
symantecmail_security_for_microsoft_exchange7.0.3
symantecmail_security_for_microsoft_exchange7.0.4
symantecmail_security_for_microsoft_exchange7.5
symantecmail_security_for_microsoft_exchange7.5.1
symantecmail_security_for_microsoft_exchange7.5.2
symantecmail_security_for_microsoft_exchange7.5.3
symantecmail_security_for_microsoft_exchange7.5.4
symantecmessaging_gateway{"endIncluding":"10.6.1"}
symantecmessaging_gateway_for_service_providers10.5
symantecmessaging_gateway_for_service_providers10.6
symantecprotection_engine{"endIncluding":"7.0.5"}
symantecprotection_engine7.5.0
symantecprotection_engine7.5.1
symantecprotection_engine7.5.2
symantecprotection_engine7.5.3
symantecprotection_engine7.5.4
symantecprotection_engine7.5.5
symantecprotection_engine7.8.0
symantecprotection_for_sharepoint_servers6.0.3
symantecprotection_for_sharepoint_servers6.0.4
symantecprotection_for_sharepoint_servers6.0.5
symantecprotection_for_sharepoint_servers6.0.6
symantecprotection_for_sharepoint_servers6.0.7
symantecweb_gateway-
symantecweb_security.cloud-

References

CWEs

CWE-125

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.