# CVE-2019-11830: PharStreamWrapper for Typo3 unsafe deserialization vulnerability

Source: https://junglewise.ai/threats/cve-2019-11830-pharstreamwrapper-for-typo3-unsafe-deserialization-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-05-24  
License: CC BY 4.0 with a link back

CVE-2019-11830 · Severity: low · CVSS 3 · Published 2022-05-24

PharStreamWrapper for Typo3 unsafe deserialization vulnerability

Technologies: [typo3/phar-stream-wrapper (Packagist)](https://junglewise.ai/threats/technologies/typo3-phar-stream-wrapper). Vendors: [Packagist](https://junglewise.ai/threats/vendors/packagist).

## Quick answers

**Is CVE-2019-11830 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2019-11830 being exploited in the wild.

**How severe is CVE-2019-11830?** Low severity, with a CVSS score of 3, published 24 May 2022.

**Which products and versions are affected?** typo3/phar-stream-wrapper (Packagist) ECOSYSTEM:introduced=2.0.0,fixed=2.1.1.

**Is there a fix for CVE-2019-11830?** Yes. typo3/phar-stream-wrapper (Packagist): upgrade to 2.1.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2019-11830?** Check whether you run typo3/phar-stream-wrapper (Packagist) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- typo3/phar-stream-wrapper (Packagist): upgrade to 2.1.1 or later

  ```sh
  composer require typo3/phar-stream-wrapper:^2.1.1
  ```


## Affected products

- typo3/phar-stream-wrapper (Packagist) ECOSYSTEM:introduced=2.0.0,fixed=2.1.1

## Identifiers

- CVE-2019-11830
- GHSA-3hxw-g85p-qgxm

## Related threats

- [By-passing Protection of PharStreamWrapper Interceptor](https://junglewise.ai/threats/by-passing-protection-of-pharstreamwrapper-interceptor-f4133011)
- [Directory Traversal in typo3/phar-stream-wrapper](https://junglewise.ai/threats/cve-2019-11831-drupal-core-2019-007-this-security-release-fixes-third-party)