CVE-2016-5310

MEDIUM

Symantec Data Center Security: Server - Out-of-bounds Write in RAR File Parser

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2016-5310. PoCs published by Google Security Research.

AI-analyzed exploit summary The provided text describes a vulnerability in Symantec's unrar-based unpacker, which is outdated and contains multiple known flaws. It references two remote code execution vulnerabilities that are fixed upstream but not in Symantec's codebase.

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 (memory corruption) via a crafted RAR file that is mishandled during decompression.

Exploits (1)

exploitdb WRITEUP VERIFIED
by Google Security Research · textdosmultiple
https://www.exploit-db.com/exploits/40405

The provided text describes a vulnerability in Symantec's unrar-based unpacker, which is outdated and contains multiple known flaws. It references two remote code execution vulnerabilities that are fixed upstream but not in Symantec's codebase.

Classification
Writeup 90%
Attack Type
Rce
Complexity
Moderate
Reliability
Theoretical
Target: Symantec unrar-based unpacker (version not specified)
No auth needed
Prerequisites: Access to a system using Symantec's vulnerable unrar-based unpacker
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (8)

Core 8
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1036848
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/40405/
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/92866
Exploit, Patch, Third Party Advisory x_refsource_misc
https://bugs.chromium.org/p/project-zero/issues/detail?id=867
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1036849
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1036847
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1036850

Scores

CVSS v3 5.5
EPSS 0.0531
EPSS Percentile 91.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

CWE
CWE-787
Status published
Products (41)
broadcom/symantec_data_center_security_server
symantec/advanced_threat_protection
symantec/csapi < 10.0.4
symantec/email_security.cloud
symantec/endpoint_protection < 12.1.4
symantec/endpoint_protection < 12.1.6 (2 CPE variants)
symantec/endpoint_protection_cloud (2 CPE variants)
symantec/endpoint_protection_for_small_business
symantec/endpoint_protection_for_small_business < 12.1
symantec/mail_security_for_domino 8.1.2
... and 31 more
Published Apr 14, 2017
Tracked Since Feb 18, 2026