Uočena su dva propusta u radu programskog paketa openssl. Napadači ih mogu iskoristiti za napad uskraćivanjem usluga (DoS napad) te otkrivanje osjetljivih informacija.

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Fedora Update Notification
FEDORA-2012-0708
2012-01-19 21:20:51
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Name        : openssl
Product     : Fedora 16
Version     : 1.0.0g
Release     : 1.fc16
URL         : http://www.openssl.org/
Summary     : A general purpose cryptography library with TLS implementation
Description :
The OpenSSL toolkit provides support for secure communications between
machines. OpenSSL includes a certificate management tool and shared
libraries which provide various cryptographic algorithms and
protocols.

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Update Information:

A new upstream package fixing a security vulnerability (DoS) regression in DTLS
introduced by the previous update.

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ChangeLog:

* Thu Jan 19 2012 Tomas Mraz <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.> 1.0.0g-1
- new upstream release fixing CVE-2012-0050 - DoS regression in
  DTLS support introduced by the previous release (#782795)
* Thu Jan  5 2012 Tomas Mraz <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.> 1.0.0f-1
- new upstream release fixing multiple CVEs
* Tue Nov 22 2011 Tomas Mraz <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.> 1.0.0e-4
- move the libraries needed for static linking to Libs.private
* Thu Nov  3 2011 Tomas Mraz <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.> 1.0.0e-3
- do not use AVX instructions when osxsave bit not set
- add direct known answer tests for SHA2 algorithms
* Wed Sep 21 2011 Tomas Mraz <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.> 1.0.0e-2
- fix missing initialization of variable in CHIL engine
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References:

  [ 1 ] Bug #782795 - CVE-2012-0050 openssl: remote DTLS server DoS introduced
in the CVE-2011-4108 fix
        https://bugzilla.redhat.com/show_bug.cgi?id=782795
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This update can be installed with the "yum" update program.  Use 
su -c 'yum update openssl' at the command line.
For more information, refer to "Managing Software with yum",
available at http://docs.fedoraproject.org/yum/.

All packages are signed with the Fedora Project GPG key.  More details on the
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/keys
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