Bug 1808536 (CVE-2020-7063)

Summary: CVE-2020-7063 php: Files added to tar with Phar::buildFromIterator have all-access permissions
Product: [Other] Security Response Reporter: Guilherme de Almeida Suckevicz <gsuckevi>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: fedora, hhorak, jlyle, jorton, kyoshida, rcollet, security-response-team, webstack-team
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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Clone Of: Environment:
Last Closed: 2020-09-08 13:19:01 UTC Type: ---
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Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1808537, 1810261, 1810262, 1810263, 1810264, 1810265, 1857712    
Bug Blocks: 1808539    

Description Guilherme de Almeida Suckevicz 2020-02-28 18:29:23 UTC
In PHP versions 7.2.x below 7.2.28, 7.3.x below 7.3.15 and 7.4.x below 7.4.3, when creating PHAR archive using PharData::buildFromIterator() function, the files are added with default permissions (0666, or all access) even if the original files on the filesystem were with more restrictive permissions. This may result in files having more lax permissions than intended when such archive is extracted.

Reference:
https://bugs.php.net/bug.php?id=79082

Comment 1 Guilherme de Almeida Suckevicz 2020-02-28 18:29:40 UTC
Created php tracking bugs for this issue:

Affects: fedora-all [bug 1808537]

Comment 4 Marco Benatto 2020-03-04 20:09:04 UTC
Upstream commit for this issue:
http://git.php.net/?p=php-src.git;a=commit;h=e5c95234d87fcb8f6b7569a96a89d1e1544749a6

Comment 9 errata-xmlrpc 2020-09-08 09:47:14 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2020:3662 https://access.redhat.com/errata/RHSA-2020:3662

Comment 10 Product Security DevOps Team 2020-09-08 13:19:01 UTC
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2020-7063

Comment 11 errata-xmlrpc 2020-12-01 12:03:19 UTC
This issue has been addressed in the following products:

  Red Hat Software Collections for Red Hat Enterprise Linux 7
  Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS
  Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUS

Via RHSA-2020:5275 https://access.redhat.com/errata/RHSA-2020:5275