CVE-2014-3434

Symantec Endpoint Protection 11.x-12.x - Local Buffer Overflow via sysplant Driver IOCTL

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2014-3434. PoCs published by ryujin & sickness.

AI-analyzed exploit summary This exploit targets a kernel pool overflow vulnerability in Symantec Endpoint Protection 11.x and 12.x. It manipulates the SYSFER.dll module to achieve arbitrary memory writes, potentially leading to local privilege escalation.

Description

Buffer overflow in the sysplant driver in Symantec Endpoint Protection (SEP) Client 11.x and 12.x before 12.1 RU4 MP1b, and Small Business Edition before SEP 12.1, allows local users to execute arbitrary code via a long argument to a 0x00222084 IOCTL call.

Exploits (1)

exploitdb WORKING POC VERIFIED
by ryujin & sickness · pythonlocalwindows
https://www.exploit-db.com/exploits/34272

This exploit targets a kernel pool overflow vulnerability in Symantec Endpoint Protection 11.x and 12.x. It manipulates the SYSFER.dll module to achieve arbitrary memory writes, potentially leading to local privilege escalation.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Complex
Reliability
Reliable
Target: Symantec Endpoint Protection 11.x, 12.x
No auth needed
Prerequisites: Local access to the target system · Symantec Endpoint Protection 11.x or 12.x installed
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (9)

Core 9
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://www.osvdb.org/109663
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/68946
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/95062
US Government Resource third-party-advisory x_refsource_cert-vn
http://www.kb.cert.org/vuls/id/252068
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/58996
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/59697
Exploit exploit x_refsource_exploit-db
http://www.exploit-db.com/exploits/34272

Scores

EPSS 0.0163
EPSS Percentile 73.2%

Details

CWE
CWE-119
Status published
Products (3)
symantec/endpoint_protection 11.0
symantec/endpoint_protection 12.0
symantec/endpoint_protection 12.1
Published Aug 06, 2014
Tracked Since Feb 18, 2026