With this new rubygems, HTTPS connection no longer redirects to HTTP.
Also now rubygems verify SSL connection.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote Red Hat Enterprise Linux CoreOS 1 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2013:1203 advisory.

  - rubygems: Two security fixes in v1.8.23 (CVE-2012-2125, CVE-2012-2126)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

New version 1.8.23 is released.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote Redhat Enterprise Linux 6 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2013:1441 advisory.

    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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

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.

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.

The remote Oracle Linux 6 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2013-1441 advisory.

    - Remove regexp backtracing (CVE-2013-4363).
      - Related: rhbz#1002838.
    - Fix insecure connection to SSL repository (CVE-2012-2125, CVE-2012-2126).
      - Related: rhbz#1002838.

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Updated Grid component packages that fix multiple security issues are now available for Red Hat Enterprise MRG 2.4 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.

Red Hat Enterprise MRG (Messaging, Realtime, and Grid) is a next-generation IT infrastructure for enterprise computing. MRG offers increased performance, reliability, interoperability, and faster computing for enterprise customers.

MRG Grid provides high-throughput computing and enables enterprises to achieve higher peak computing capacity as well as improved infrastructure utilization by leveraging their existing technology to build high performance grids. MRG Grid provides a job-queueing mechanism, scheduling policy, and a priority scheme, as well as resource monitoring and resource management. Users submit their jobs to MRG Grid, where they are placed into a queue. MRG Grid then chooses when and where to run the jobs based upon a policy, carefully monitors their progress, and ultimately informs the user upon completion.

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

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)

A flaw was found in the way cumin enforced user roles, allowing an unprivileged cumin user to access a range of resources without having the appropriate role. A remote, authenticated attacker could use this flaw to access privileged information, and perform a variety of privileged operations. (CVE-2013-4404)

It was found that multiple forms in the cumin web interface did not protect against Cross-Site Request Forgery (CSRF) attacks. If a remote attacker could trick a user, who is logged into the cumin web interface, into visiting a specially crafted URL, the attacker could perform actions in the context of the logged in user. (CVE-2013-4405)

It was found that cumin did not properly escape input from the 'Max allowance' field in the 'Set limit' form of the cumin web interface. A remote attacker could use this flaw to perform cross-site scripting (XSS) attacks against victims by tricking them into visiting a specially crafted URL. (CVE-2013-4414)

A flaw was found in the way cumin parsed POST request data. A remote attacker could potentially use this flaw to perform SQL injection attacks on cumin's database. (CVE-2013-4461)

Red Hat would like to thank Rubygems upstream for reporting CVE-2013-4287. Upstream acknowledges Damir Sharipov as the original reporter of CVE-2013-4287. The CVE-2013-4404, CVE-2013-4405, CVE-2013-4414, and CVE-2013-4461 issues were discovered by Tomas Novacik of the Red Hat MRG Quality Engineering team.

All users of the Grid capabilities of Red Hat Enterprise MRG are advised to upgrade to these updated packages, which correct these issues.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
58933	Fedora 16 : rubygems-1.8.11-3.fc16.1 (2012-6409)	Nessus	Fedora Local Security Checks	2012/5/1	2021/1/11	medium
311958	RHCOS 1 : rubygems (RHSA-2013:1203)	Nessus	Red Hat Local Security Checks	2026/5/4	2026/5/4	medium
58935	Fedora 15 : rubygems-1.7.2-5.fc15 (2012-6414)	Nessus	Fedora Local Security Checks	2012/5/1	2021/1/11	medium
58957	Fedora 17 : rubygems-1.8.23-20.fc17 (2012-6132)	Nessus	Fedora Local Security Checks	2012/5/2	2021/1/11	medium
70489	RHEL 6 : rubygems (RHSA-2013:1441)	Nessus	Red Hat Local Security Checks	2013/10/18	2024/11/4	medium
70501	CentOS 6 : rubygems (CESA-2013:1441)	Nessus	CentOS Local Security Checks	2013/10/20	2021/1/4	medium
70524	Oracle Linux 6 : rubygems (ELSA-2013-1441)	Nessus	Oracle Linux Local Security Checks	2013/10/20	2025/4/29	medium
76671	RHEL 6 : MRG (RHSA-2013:1852)	Nessus	Red Hat Local Security Checks	2014/7/22	2021/1/14	high

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