The PharStreamWrapper (aka phar-stream-wrapper) package 2.x before 2.1.1 and 3.x before…
Priority MEDIUM 50CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-502.
Summary
The PharStreamWrapper (aka phar-stream-wrapper) package 2.x before 2.1.1 and 3.x before 3.1.1 for TYPO3 does not prevent directory traversal, which allows attackers to bypass a deserialization protection mechanism, as demonstrated by a phar:///path/bad.phar/../good.phar URL.
Why it matters now
EPSS 0.05436 92nd percentileScored 2026-11-07
Fix Fixed typo3/phar-stream-wrapper (Packagist): 2.1.1, 3.1.1drupal/core (Packagist): 7.67.0, 8.6.16, 8.7.1+1 more product
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | typo3/phar-stream-wrapper (Packagist) | 2.0.0 to before 2.1.1 | 2.1.1 | Patch available | GHSA-xv7v-rf6g-xwrc |
| — | typo3/phar-stream-wrapper (Packagist) | 3.0.0 to before 3.1.1 | 3.1.1 | Patch available | GHSA-xv7v-rf6g-xwrc |
| — | drupal/core (Packagist) | 7.0.0 to before 7.67.0 | 7.67.0 | Patch available | GHSA-xv7v-rf6g-xwrc |
| — | drupal/core (Packagist) | 8.0.0 to before 8.6.16 | 8.6.16 | Patch available | GHSA-xv7v-rf6g-xwrc |
| — | drupal/core (Packagist) | 8.7.0 to before 8.7.1 | 8.7.1 | Patch available | GHSA-xv7v-rf6g-xwrc |
| — | drupal/drupal (Packagist) | 7.0.0 to before 7.67.0 | 7.67.0 | Patch available | GHSA-xv7v-rf6g-xwrc |
| — | drupal/drupal (Packagist) | 8.0.0 to before 8.6.16 | 8.6.16 | Patch available | GHSA-xv7v-rf6g-xwrc |
| — | drupal/drupal (Packagist) | 8.7.0 to before 8.7.1 | 8.7.1 | Patch available | GHSA-xv7v-rf6g-xwrc |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- typo3/phar-stream-wrapper (Packagist) Vendor— Affected 2.0.0 to before 2.1.1 Fixed in 2.1.1 Patch available GHSA-xv7v-rf6g-xwrc
- typo3/phar-stream-wrapper (Packagist) Vendor— Affected 3.0.0 to before 3.1.1 Fixed in 3.1.1 Patch available GHSA-xv7v-rf6g-xwrc
- drupal/core (Packagist) Vendor— Affected 7.0.0 to before 7.67.0 Fixed in 7.67.0 Patch available GHSA-xv7v-rf6g-xwrc
- drupal/core (Packagist) Vendor— Affected 8.0.0 to before 8.6.16 Fixed in 8.6.16 Patch available GHSA-xv7v-rf6g-xwrc
- drupal/core (Packagist) Vendor— Affected 8.7.0 to before 8.7.1 Fixed in 8.7.1 Patch available GHSA-xv7v-rf6g-xwrc
- drupal/drupal (Packagist) Vendor— Affected 7.0.0 to before 7.67.0 Fixed in 7.67.0 Patch available GHSA-xv7v-rf6g-xwrc
- drupal/drupal (Packagist) Vendor— Affected 8.0.0 to before 8.6.16 Fixed in 8.6.16 Patch available GHSA-xv7v-rf6g-xwrc
- drupal/drupal (Packagist) Vendor— Affected 8.7.0 to before 8.7.1 Fixed in 8.7.1 Patch available GHSA-xv7v-rf6g-xwrc
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:typo3:pharstreamwrapper:*:*:*:*:*:*:*:* | 2.0.0 to before 2.1.1; 3.0.0 to before 3.1.1 | Vulnerable | TYPO3 |
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Debian |
| cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:* | 28 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* | 29 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* | 30 | Vulnerable | Fedoraproject |
| cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:* | 7.0 to before 7.67; 8.6.0 to before 8.6.16; 8.7.0 to before 8.7.1 | Vulnerable | Drupal |
| cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:* | 3.9.3 – 3.9.5 | Vulnerable | Joomla! |
- cpe:2.3:a:typo3:pharstreamwrapper:*:*:*:*:*:*:*:* Versions 2.0.0 to before 2.1.1; 3.0.0 to before 3.1.1 Vulnerable ·TYPO3
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
- cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:* Versions 28 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* Versions 29 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* Versions 30 Vulnerable ·Fedoraproject
- cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:* Versions 7.0 to before 7.67; 8.6.0 to before 8.6.16; 8.7.0 to before 8.7.1 Vulnerable ·Drupal
- cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:* Versions 3.9.3 – 3.9.5 Vulnerable ·Joomla!
Remediation
- Fix · GHSA-xv7v-rf6g-xwrc typo3/phar-stream-wrapper (Packagist) Fixed in 2.1.1 Advisory →
- Fix · GHSA-xv7v-rf6g-xwrc typo3/phar-stream-wrapper (Packagist) Fixed in 3.1.1 Advisory →
- Fix · GHSA-xv7v-rf6g-xwrc drupal/core (Packagist) Fixed in 7.67.0 Advisory →
- Fix · GHSA-xv7v-rf6g-xwrc drupal/core (Packagist) Fixed in 8.6.16 Advisory →
- Fix · GHSA-xv7v-rf6g-xwrc drupal/core (Packagist) Fixed in 8.7.1 Advisory →
- Fix · GHSA-xv7v-rf6g-xwrc drupal/drupal (Packagist) Fixed in 7.67.0 Advisory →
- Fix · GHSA-xv7v-rf6g-xwrc drupal/drupal (Packagist) Fixed in 8.6.16 Advisory →
- Fix · GHSA-xv7v-rf6g-xwrc drupal/drupal (Packagist) Fixed in 8.7.1 Advisory →
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2019-11831
- 2026-10-03 Alias added: GHSA-xv7v-rf6g-xwrc
References
Advisory 15
- https://www.drupal.org/sa-core-2019-007
- 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://typo3.org/security/advisory/typo3-psa-2019-007/
- https://www.synology.com/security/advisory/Synology_SA_19_22
- DSA-4445
- 20190515 [SECURITY] [DSA 4445-1] drupal7 security update
- FEDORA-2019-3c89837025
- FEDORA-2019-4d93cf2b34
- FEDORA-2019-d5f883429d
- [debian-lts-announce] 20190520 [SECURITY] [DLA 1797-1] drupal7 security update
- FEDORA-2019-84a50e34a9
- FEDORA-2019-41d6ffd6f0
- FEDORA-2019-040857fd75
- https://nvd.nist.gov/vuln/detail/CVE-2019-11831
Other 17
- https://typo3.org/security/advisory/typo3-psa-2019-007
- https://lists.fedoraproject.org/archives/list/[email protected]/message/Z246UWBXBEKTQUDTLRJTC7XYBIO4IBE4
- https://lists.fedoraproject.org/archives/list/[email protected]/message/U6JX7WR6DPMKCZQP7EYFACYXSGJ3K523
- https://lists.fedoraproject.org/archives/list/[email protected]/message/E3NUKPG7V4QEM6QXRMHYR4ABFMW5MM2P
- https://lists.fedoraproject.org/archives/list/[email protected]/message/AUEXS4HRI4XZ2DTZMWAVQBYBTFSJ34AR
- https://lists.fedoraproject.org/archives/list/[email protected]/message/6QDJVUJPUW3RZ4746SC6BX4F4T6ZXNBH
- https://lists.fedoraproject.org/archives/list/[email protected]/message/65ODQHDHWR74L6TCAPAQR5FQHG6MCXAW
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z246UWBXBEKTQUDTLRJTC7XYBIO4IBE4
- 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/E3NUKPG7V4QEM6QXRMHYR4ABFMW5MM2P
- 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/6QDJVUJPUW3RZ4746SC6BX4F4T6ZXNBH
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/65ODQHDHWR74L6TCAPAQR5FQHG6MCXAW
- https://github.com/TYPO3/phar-stream-wrapper
- https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/phar-stream-wrapper/CVE-2019-11831.yaml
- https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/drupal/CVE-2019-11831.yaml
- https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/core/CVE-2019-11831.yaml
Sources
- CVE-2019-11831 · CVE Program
- CVE-2019-11831 · NVD
- FIRST EPSS
- GHSA-xv7v-rf6g-xwrc · GitHub Advisory Database · CC BY 4.0
- CVE-2019-11831 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences