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Red Hat Product Errata RHSA-2013:1441 - Security Advisory
Issued:
2013-10-17
Updated:
2013-10-17

RHSA-2013:1441 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Moderate: rubygems security update

Type/Severity

Security Advisory: Moderate

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An updated rubygems package that fixes three security issues is now
available for Red Hat Enterprise Linux 6.

The Red Hat Security Response Team has rated this update as having moderate
security impact. Common Vulnerability Scoring System (CVSS) base scores,
which give detailed severity ratings, are available for each vulnerability
from the CVE links in the References section.

Description

RubyGems is the Ruby standard for publishing and managing third-party
libraries.

It was found that RubyGems did not verify SSL connections. This could lead
to man-in-the-middle attacks. (CVE-2012-2126)

It was found that, when using RubyGems, the connection could be redirected
from HTTPS to HTTP. This could lead to a user believing they are installing
a gem via HTTPS, when the connection may have been silently downgraded to
HTTP. (CVE-2012-2125)

It was discovered that the rubygems API validated version strings using an
unsafe regular expression. An application making use of this API to process
a version string from an untrusted source could be vulnerable to a denial
of service attack through CPU exhaustion. (CVE-2013-4287)

Red Hat would like to thank Rubygems upstream for reporting CVE-2013-4287.
Upstream acknowledges Damir Sharipov as the original reporter.

All rubygems users are advised to upgrade to this updated package, which
contains backported patches to correct these issues.

Solution

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to use the
Red Hat Network to apply this update are available at
https://access.redhat.com/site/articles/11258

Affected Products

  • Red Hat Enterprise Linux Server 6 x86_64
  • Red Hat Enterprise Linux Server 6 i386
  • Red Hat Enterprise Linux for x86_64 - Extended Update Support 6.4 x86_64
  • Red Hat Enterprise Linux for x86_64 - Extended Update Support 6.4 i386
  • Red Hat Enterprise Linux Server - AUS 6.4 x86_64
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 x86_64
  • Red Hat Enterprise Linux Workstation 6 x86_64
  • Red Hat Enterprise Linux Workstation 6 i386
  • Red Hat Enterprise Linux Desktop 6 x86_64
  • Red Hat Enterprise Linux Desktop 6 i386
  • Red Hat Enterprise Linux for IBM z Systems 6 s390x
  • Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 6.4 s390x
  • Red Hat Enterprise Linux for Power, big endian 6 ppc64
  • Red Hat Enterprise Linux for Power, big endian - Extended Update Support 6.4 ppc64
  • Red Hat Enterprise Linux for Scientific Computing 6 x86_64
  • Red Hat Enterprise Linux Server from RHUI 6 x86_64
  • Red Hat Enterprise Linux Server from RHUI 6 i386
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 i386
  • Red Hat Enterprise Linux EUS Compute Node 6.4 x86_64
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 6 s390x

Fixes

  • BZ - 814718 - CVE-2012-2125 CVE-2012-2126 rubygems: Two security fixes in v1.8.23
  • BZ - 1002364 - CVE-2013-4287 rubygems: version regex algorithmic complexity vulnerability

CVEs

  • CVE-2012-2126
  • CVE-2012-2125
  • CVE-2013-4287

References

  • https://access.redhat.com/security/updates/classification/#moderate
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Enterprise Linux Server 6

SRPM
rubygems-1.3.7-4.el6_4.src.rpm SHA-256: 2385385b92a4b5cca861f95880d5589c1540e75f09a1f2ee62a8bf69114c2422
x86_64
rubygems-1.3.7-4.el6_4.noarch.rpm SHA-256: ea87cccaad0a66fb0623fc3d28054e977746d9edd008747b500cb87bc03a20e8
i386
rubygems-1.3.7-4.el6_4.noarch.rpm SHA-256: ea87cccaad0a66fb0623fc3d28054e977746d9edd008747b500cb87bc03a20e8

Red Hat Enterprise Linux for x86_64 - Extended Update Support 6.4

SRPM
rubygems-1.3.7-4.el6_4.src.rpm SHA-256: 2385385b92a4b5cca861f95880d5589c1540e75f09a1f2ee62a8bf69114c2422
x86_64
rubygems-1.3.7-4.el6_4.noarch.rpm SHA-256: ea87cccaad0a66fb0623fc3d28054e977746d9edd008747b500cb87bc03a20e8
i386
rubygems-1.3.7-4.el6_4.noarch.rpm SHA-256: ea87cccaad0a66fb0623fc3d28054e977746d9edd008747b500cb87bc03a20e8

Red Hat Enterprise Linux Server - AUS 6.4

SRPM
rubygems-1.3.7-4.el6_4.src.rpm SHA-256: 2385385b92a4b5cca861f95880d5589c1540e75f09a1f2ee62a8bf69114c2422
x86_64
rubygems-1.3.7-4.el6_4.noarch.rpm SHA-256: ea87cccaad0a66fb0623fc3d28054e977746d9edd008747b500cb87bc03a20e8

Red Hat Enterprise Linux Workstation 6

SRPM
rubygems-1.3.7-4.el6_4.src.rpm SHA-256: 2385385b92a4b5cca861f95880d5589c1540e75f09a1f2ee62a8bf69114c2422
x86_64
rubygems-1.3.7-4.el6_4.noarch.rpm SHA-256: ea87cccaad0a66fb0623fc3d28054e977746d9edd008747b500cb87bc03a20e8
i386
rubygems-1.3.7-4.el6_4.noarch.rpm SHA-256: ea87cccaad0a66fb0623fc3d28054e977746d9edd008747b500cb87bc03a20e8

Red Hat Enterprise Linux Desktop 6

SRPM
rubygems-1.3.7-4.el6_4.src.rpm SHA-256: 2385385b92a4b5cca861f95880d5589c1540e75f09a1f2ee62a8bf69114c2422
x86_64
rubygems-1.3.7-4.el6_4.noarch.rpm SHA-256: ea87cccaad0a66fb0623fc3d28054e977746d9edd008747b500cb87bc03a20e8
i386
rubygems-1.3.7-4.el6_4.noarch.rpm SHA-256: ea87cccaad0a66fb0623fc3d28054e977746d9edd008747b500cb87bc03a20e8

Red Hat Enterprise Linux for IBM z Systems 6

SRPM
rubygems-1.3.7-4.el6_4.src.rpm SHA-256: 2385385b92a4b5cca861f95880d5589c1540e75f09a1f2ee62a8bf69114c2422
s390x
rubygems-1.3.7-4.el6_4.noarch.rpm SHA-256: ea87cccaad0a66fb0623fc3d28054e977746d9edd008747b500cb87bc03a20e8

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 6.4

SRPM
rubygems-1.3.7-4.el6_4.src.rpm SHA-256: 2385385b92a4b5cca861f95880d5589c1540e75f09a1f2ee62a8bf69114c2422
s390x
rubygems-1.3.7-4.el6_4.noarch.rpm SHA-256: ea87cccaad0a66fb0623fc3d28054e977746d9edd008747b500cb87bc03a20e8

Red Hat Enterprise Linux for Power, big endian 6

SRPM
rubygems-1.3.7-4.el6_4.src.rpm SHA-256: 2385385b92a4b5cca861f95880d5589c1540e75f09a1f2ee62a8bf69114c2422
ppc64
rubygems-1.3.7-4.el6_4.noarch.rpm SHA-256: ea87cccaad0a66fb0623fc3d28054e977746d9edd008747b500cb87bc03a20e8

Red Hat Enterprise Linux for Power, big endian - Extended Update Support 6.4

SRPM
rubygems-1.3.7-4.el6_4.src.rpm SHA-256: 2385385b92a4b5cca861f95880d5589c1540e75f09a1f2ee62a8bf69114c2422
ppc64
rubygems-1.3.7-4.el6_4.noarch.rpm SHA-256: ea87cccaad0a66fb0623fc3d28054e977746d9edd008747b500cb87bc03a20e8

Red Hat Enterprise Linux for Scientific Computing 6

SRPM
rubygems-1.3.7-4.el6_4.src.rpm SHA-256: 2385385b92a4b5cca861f95880d5589c1540e75f09a1f2ee62a8bf69114c2422
x86_64
rubygems-1.3.7-4.el6_4.noarch.rpm SHA-256: ea87cccaad0a66fb0623fc3d28054e977746d9edd008747b500cb87bc03a20e8

Red Hat Enterprise Linux Server from RHUI 6

SRPM
rubygems-1.3.7-4.el6_4.src.rpm SHA-256: 2385385b92a4b5cca861f95880d5589c1540e75f09a1f2ee62a8bf69114c2422
x86_64
rubygems-1.3.7-4.el6_4.noarch.rpm SHA-256: ea87cccaad0a66fb0623fc3d28054e977746d9edd008747b500cb87bc03a20e8
i386
rubygems-1.3.7-4.el6_4.noarch.rpm SHA-256: ea87cccaad0a66fb0623fc3d28054e977746d9edd008747b500cb87bc03a20e8

Red Hat Enterprise Linux Server - Extended Life Cycle Support 6

SRPM
rubygems-1.3.7-4.el6_4.src.rpm SHA-256: 2385385b92a4b5cca861f95880d5589c1540e75f09a1f2ee62a8bf69114c2422
x86_64
rubygems-1.3.7-4.el6_4.noarch.rpm SHA-256: ea87cccaad0a66fb0623fc3d28054e977746d9edd008747b500cb87bc03a20e8
i386
rubygems-1.3.7-4.el6_4.noarch.rpm SHA-256: ea87cccaad0a66fb0623fc3d28054e977746d9edd008747b500cb87bc03a20e8

Red Hat Enterprise Linux EUS Compute Node 6.4

SRPM
rubygems-1.3.7-4.el6_4.src.rpm SHA-256: 2385385b92a4b5cca861f95880d5589c1540e75f09a1f2ee62a8bf69114c2422
x86_64
rubygems-1.3.7-4.el6_4.noarch.rpm SHA-256: ea87cccaad0a66fb0623fc3d28054e977746d9edd008747b500cb87bc03a20e8

Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 6

SRPM
rubygems-1.3.7-4.el6_4.src.rpm SHA-256: 2385385b92a4b5cca861f95880d5589c1540e75f09a1f2ee62a8bf69114c2422
s390x
rubygems-1.3.7-4.el6_4.noarch.rpm SHA-256: ea87cccaad0a66fb0623fc3d28054e977746d9edd008747b500cb87bc03a20e8

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

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