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Bug 1526189 - (CVE-2017-17405) CVE-2017-17405 ruby: Command injection vulnerability in Net::FTP
CVE-2017-17405 ruby: Command injection vulnerability in Net::FTP
Status: CLOSED ERRATA
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
high Severity high
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Assigned To: Red Hat Product Security
impact=important,public=20171214,repo...
: Security
Depends On: 1526539 1526540 1526542 1526543 1526544 1534935 1534936 1534937 1534938 1534939 1534940 1534941 1534942 1545725
Blocks: 1526190
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Reported: 2017-12-14 16:42 EST by Pedro Sampaio
Modified: 2018-04-03 04:13 EDT (History)
32 users (show)

See Also:
Fixed In Version: ruby 2.2.9, ruby 2.3.6, ruby 2.4.3, ruby 2.5.0
Doc Type: If docs needed, set a value
Doc Text:
It was discovered that the Net::FTP module did not properly process filenames in combination with certain operations. A remote attacker could exploit this flaw to execute arbitrary commands by setting up a malicious FTP server and tricking a user or Ruby application into downloading files with specially crafted names using the Net::FTP module.
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Clone Of:
Environment:
Last Closed: 2018-04-03 04:13:05 EDT
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Regression: ---
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Documentation: ---
CRM:
Verified Versions:
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2018:0378 normal SHIPPED_LIVE Important: ruby security update 2018-02-28 20:06:17 EST
Red Hat Product Errata RHSA-2018:0583 None None None 2018-03-26 05:47 EDT
Red Hat Product Errata RHSA-2018:0584 None None None 2018-03-26 06:00 EDT
Red Hat Product Errata RHSA-2018:0585 None None None 2018-03-26 06:25 EDT

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Description Pedro Sampaio 2017-12-14 16:42:14 EST 
There is a command injection vulnerability in Net::FTP bundled with Ruby. Net::FTP#get, getbinaryfile, gettextfile, put, putbinaryfile, and puttextfile use Kernel#open to open a local file. If the localfile argument starts with the pipe character "|", the command following the pipe character is executed. The default value of localfile is File.basename(remotefile), so malicious FTP servers could cause arbitrary command execution.

External references:

https://www.ruby-lang.org/en/news/2017/12/14/net-ftp-command-injection-cve-2017-17405/
Comment 4 Kurt Seifried 2017-12-15 13:18:51 EST 
Statement:

This issue affects the versions of ruby as shipped with Red Hat Subscription Asset Manager 1 and CloudForms 5. Red Hat Product Security has rated this issue as having Moderate security impact. A future update may address this issue. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
Comment 8 Mark Knowles 2018-02-08 23:12:07 EST 
OpenShift Container Platform is not vulnerable to this, I am determining whether OpenShift Online is affected.
Comment 10 errata-xmlrpc 2018-02-28 15:03:27 EST 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2018:0378 https://access.redhat.com/errata/RHSA-2018:0378
Comment 11 errata-xmlrpc 2018-03-26 05:46:55 EDT 
This issue has been addressed in the following products:

  Red Hat Software Collections for Red Hat Enterprise Linux 6
  Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS
  Red Hat Software Collections for Red Hat Enterprise Linux 7
  Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUS
  Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUS

Via RHSA-2018:0583 https://access.redhat.com/errata/RHSA-2018:0583
Comment 12 errata-xmlrpc 2018-03-26 06:00:36 EDT 
This issue has been addressed in the following products:

  Red Hat Software Collections for Red Hat Enterprise Linux 6
  Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS
  Red Hat Software Collections for Red Hat Enterprise Linux 7
  Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUS
  Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUS

Via RHSA-2018:0584 https://access.redhat.com/errata/RHSA-2018:0584
Comment 13 errata-xmlrpc 2018-03-26 06:24:59 EDT 
This issue has been addressed in the following products:

  Red Hat Software Collections for Red Hat Enterprise Linux 6
  Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS
  Red Hat Software Collections for Red Hat Enterprise Linux 7
  Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUS
  Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUS

Via RHSA-2018:0585 https://access.redhat.com/errata/RHSA-2018:0585
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