Bug 1547421 (CVE-2018-1000076)

Summary: CVE-2018-1000076 rubygems: Improper verification of signatures in tarball allows to install mis-signed gem
Product: [Other] Security Response Reporter: Adam Mariš <amaris>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: bcourt, bhu, bkearney, cbillett, ccoleman, dedgar, dmcphers, hhorak, iboverma, jaruga, jgoulding, jmatthew, jorton, jross, lutter, mastahnke, matt, mcressma, mmccune, mrike, mtasaka, ohadlevy, rchan, ruby-maint, s, tomckay, tsanders, vanmeeuwen+fedora, vondruch, williams
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: rubygems 2.7.6 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2019-06-08 03:40:38 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1547431, 1547432, 1547433, 1547438, 1549913, 1549914, 1554493, 1554494, 1651606, 1651613, 1651620, 1651625, 1651801, 1652039, 1652040, 1785425, 1785426, 1785427    
Bug Blocks: 1547429    

Description Adam Mariš 2018-02-21 10:29:34 UTC
Improper verification of signatures in tarball allows to install mis-signed gem when tarball contain multiple gem signatures.

Upstream fix:

https://github.com/rubygems/rubygems/commit/f5042b879259b1f1ce95a0c5082622c646376693

External References:

https://www.ruby-lang.org/en/news/2018/02/17/multiple-vulnerabilities-in-rubygems/

Comment 1 Adam Mariš 2018-02-21 10:37:17 UTC
Created rubygems tracking bugs for this issue:

Affects: fedora-all [bug 1547431]

Comment 8 Andrej Nemec 2018-05-14 14:00:09 UTC
Statement:

This issue affects the versions of rubygems as shipped with Red Hat Subscription Asset Manager 1.x. Red Hat Product Security has rated this issue as having security impact of Moderate. A future update may address this issue. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.

This issue affects the versions of rubygems as shipped with Red Hat Satellite version 6 on Red Hat Enterprise Linux version 5. Red Hat Product Security has rated this issue as having security impact of Moderate. A future update may address this issue. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.

Comment 13 errata-xmlrpc 2018-11-29 09:55:46 UTC
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 7
  Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUS
  Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUS
  Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS

Via RHSA-2018:3729 https://access.redhat.com/errata/RHSA-2018:3729

Comment 14 errata-xmlrpc 2018-11-29 10:10:06 UTC
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 7
  Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUS
  Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUS
  Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS

Via RHSA-2018:3730 https://access.redhat.com/errata/RHSA-2018:3730

Comment 15 errata-xmlrpc 2018-11-29 10:21:49 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 7.4 EUS
  Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUS
  Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS

Via RHSA-2018:3731 https://access.redhat.com/errata/RHSA-2018:3731

Comment 16 errata-xmlrpc 2019-08-06 12:03:42 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2019:2028 https://access.redhat.com/errata/RHSA-2019:2028

Comment 19 errata-xmlrpc 2020-02-18 14:43:24 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7.5 Extended Update Support

Via RHSA-2020:0542 https://access.redhat.com/errata/RHSA-2020:0542

Comment 20 errata-xmlrpc 2020-02-25 12:10:23 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7.4 Advanced Update Support
  Red Hat Enterprise Linux 7.4 Update Services for SAP Solutions
  Red Hat Enterprise Linux 7.4 Telco Extended Update Support

Via RHSA-2020:0591 https://access.redhat.com/errata/RHSA-2020:0591

Comment 21 errata-xmlrpc 2020-03-03 15:17:33 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7.6 Extended Update Support

Via RHSA-2020:0663 https://access.redhat.com/errata/RHSA-2020:0663