Bug 1708649 (CVE-2019-11831) - CVE-2019-11831 phar-stream-wrapper: TYP03 does not prevent directory traversal resulting in bypass of deserialization of protection mechanism
Summary: CVE-2019-11831 phar-stream-wrapper: TYP03 does not prevent directory traversa...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2019-11831
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
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Depends On: php-brumann-polyfill-unserialize 1708651 1708652 1708653
Blocks:
TreeView+ depends on / blocked
 
Reported: 2019-05-10 13:16 UTC by Dhananjay Arunesh
Modified: 2019-09-29 15:13 UTC (History)
1 user (show)

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Last Closed: 2019-06-10 10:55:23 UTC
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Description Dhananjay Arunesh 2019-05-10 13:16:26 UTC 
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.

References:
https://github.com/TYPO3/phar-stream-wrapper/releases/tag/v2.1.1
https://github.com/TYPO3/phar-stream-wrapper/releases/tag/v3.1.1
https://typo3.org/security/advisory/typo3-psa-2019-007/
Comment 1 Dhananjay Arunesh 2019-05-10 13:18:50 UTC 
Created php-typo3-phar-stream-wrapper tracking bugs for this issue:

Affects: fedora-all [bug 1708651]


Created php-typo3-phar-stream-wrapper2 tracking bugs for this issue:

Affects: fedora-all [bug 1708652]
Comment 2 Dhananjay Arunesh 2019-05-10 13:19:19 UTC 
Created php-typo3-phar-stream-wrapper2 tracking bugs for this issue:

Affects: epel-7 [bug 1708653]
Comment 3 Product Security DevOps Team 2019-06-10 10:55:23 UTC 
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
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