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Sicherheit: Mehrere Probleme in Ruby
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Ruby
ID: MDVSA-2015:129
Distribution: Mandriva
Plattformen: Mandriva Business Server 2.0
Datum: So, 29. März 2015, 14:10
Referenzen: http://advisories.mageia.org/MGASA-2014-0443.html
http://advisories.mageia.org/MGASA-2014-0472.html
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-4975
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8080
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8090

Originalnachricht

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_______________________________________________________________________

Mandriva Linux Security Advisory MDVSA-2015:129
http://www.mandriva.com/en/support/security/
_______________________________________________________________________

Package : ruby
Date : March 29, 2015
Affected: Business Server 2.0
_______________________________________________________________________

Problem Description:

Updated ruby packages fix security vulnerabilities:

Due to unrestricted entity expansion, when reading text nodes from an
XML document, the REXML parser in Ruby can be coerced into allocating
extremely large string objects which can consume all of the memory
on a machine, causing a denial of service (CVE-2014-8080).

Will Wood discovered that Ruby incorrectly handled the encodes()
function. An attacker could possibly use this issue to cause Ruby to
crash, resulting in a denial of service, or possibly execute arbitrary
code. The default compiler options for affected releases should reduce
the vulnerability to a denial of service (CVE-2014-4975).

Due to an incomplete fix for CVE-2014-8080, 100% CPU utilization can
occur as a result of recursive expansion with an empty String. When
reading text nodes from an XML document, the REXML parser in Ruby can
be coerced into allocating extremely large string objects which can
consume all of the memory on a machine, causing a denial of service
(CVE-2014-8090).
_______________________________________________________________________

References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8080
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-4975
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8090
http://advisories.mageia.org/MGASA-2014-0443.html
http://advisories.mageia.org/MGASA-2014-0472.html
_______________________________________________________________________

Updated Packages:

Mandriva Business Server 2/X86_64:
21f6497011d5c12d481fd03fa53302ee
mbs2/x86_64/lib64ruby2.0-2.0.0.p598-1.mbs2.x86_64.rpm
577db59ed8804f75ab194a1076523182
mbs2/x86_64/ruby-2.0.0.p598-1.mbs2.x86_64.rpm
1fcae47502636f81267d2091d2e6f16a
mbs2/x86_64/ruby-devel-2.0.0.p598-1.mbs2.x86_64.rpm
11d103d52f5050ee72abb7313f6c92f0
mbs2/x86_64/ruby-doc-2.0.0.p598-1.mbs2.noarch.rpm
bab70f79054bac5869ac9d94301e761a
mbs2/x86_64/ruby-irb-2.0.0.p598-1.mbs2.noarch.rpm
aef9f2690106b692cfbb0c9808722033
mbs2/x86_64/ruby-tk-2.0.0.p598-1.mbs2.x86_64.rpm
3a6998dd32576a04a1af77d0698bcc28 mbs2/SRPMS/ruby-2.0.0.p598-1.mbs2.src.rpm
_______________________________________________________________________

To upgrade automatically use MandrivaUpdate or urpmi. The verification
of md5 checksums and GPG signatures is performed automatically for you.

All packages are signed by Mandriva for security. You can obtain the
GPG public key of the Mandriva Security Team by executing:

gpg --recv-keys --keyserver pgp.mit.edu 0x22458A98

You can view other update advisories for Mandriva Linux at:

http://www.mandriva.com/en/support/security/advisories/

If you want to report vulnerabilities, please contact

security_(at)_mandriva.com
_______________________________________________________________________

Type Bits/KeyID Date User ID
pub 1024D/22458A98 2000-07-10 Mandriva Security Team
<security*mandriva.com>
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_______________________________________________________
Want to buy your Pack or Services from Mandriva?
Go to http://store.mandriva.com
_______________________________________________________


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