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Sicherheit: Zwei Probleme in RubyGems
Aktuelle Meldungen Distributionen
Name: Zwei Probleme in RubyGems
ID: USN-1582-1
Distribution: Ubuntu
Plattformen: Ubuntu 12.04 LTS
Datum: Mi, 26. September 2012, 10:41
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2125
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2126
Applikationen: Ruby

Originalnachricht


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==========================================================================
Ubuntu Security Notice USN-1582-1
September 26, 2012

rubygems vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 12.04 LTS

Summary:

RubyGems could be made to download and install malicious gem files.

Software Description:
- rubygems: package management framework for Ruby libraries/applications

Details:

John Firebaugh discovered that the RubyGems remote gem fetcher did not properly
verify SSL certificates. A remote attacker could exploit this to perform a man
in the middle attack to alter gem files being downloaded for installation.
(CVE-2012-2126)

John Firebaugh discovered that the RubyGems remote gem fetcher allowed
redirection from HTTPS to HTTP. A remote attacker could exploit this to perform
a man in the middle attack to alter gem files being downloaded for
installation. (CVE-2012-2125)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 12.04 LTS:
rubygems 1.8.15-1ubuntu0.1

In general, a standard system update will make all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-1582-1
CVE-2012-2125, CVE-2012-2126

Package Information:
https://launchpad.net/ubuntu/+source/rubygems/1.8.15-1ubuntu0.1


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