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Sicherheit: Zwei Probleme in gnupg
Aktuelle Meldungen Distributionen
Name: Zwei Probleme in gnupg
ID: FEDORA-2015-3253
Distribution: Fedora
Plattformen: Fedora 20
Datum: Sa, 14. März 2015, 11:21
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3591
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0837

Originalnachricht

Name        : gnupg
Product : Fedora 20
Version : 1.4.19
Release : 2.fc20
URL : http://www.gnupg.org/
Summary : A GNU utility for secure communication and data storage
Description :
GnuPG (GNU Privacy Guard) is a GNU utility for encrypting data and
creating digital signatures. GnuPG has advanced key management
capabilities and is compliant with the proposed OpenPGP Internet
standard described in RFC2440. Since GnuPG doesn't use any patented
algorithm, it is not compatible with any version of PGP2 (PGP2.x uses
only IDEA for symmetric-key encryption, which is patented worldwide).

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Update Information:

New upstream v1.4.19
Use ciphertext blinding for Elgamal decryption [CVE-2014-3591]
Fixed data-dependent timing variations in modular exponentiation [related to
CVE-2015-0837]
Add AUTOPOINT=true to autoreconf so that it will build with gettext 0.18.x

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ChangeLog:

* Tue Mar 3 2015 Brian C. Lane <bcl@redhat.com> 1.4.19-2
- Add AUTOPOINT=true to autoreconf so that it will build with gettext 0.18.x
* Fri Feb 27 2015 Brian C. Lane <bcl@redhat.com> 1.4.19-1
- New upstream v1.4.19
- Use ciphertext blinding for Elgamal decryption [CVE-2014-3591]
- Fixed data-dependent timing variations in modular exponentiation [related to
CVE-2015-0837]
- Drop patches now included upstream
* Fri Oct 17 2014 Brian C. Lane <bcl@redhat.com> 1.4.18-4
- Add kbnode_t needed for import filter patch
* Thu Oct 16 2014 Brian C. Lane <bcl@redhat.com> 1.4.18-3
- Adding patch for rhbz#1127013 / issue1680 - import filter too strict
* Sat Aug 16 2014 Fedora Release Engineering
<rel-eng@lists.fedoraproject.org> - 1.4.18-2
- Rebuilt for https://fedoraproject.org/wiki/Fedora_21_22_Mass_Rebuild
* Mon Jun 30 2014 Brian C. Lane <bcl@redhat.com> 1.4.18-1
- New upstream v1.4.18
- Fix a regression in 1.4.17 if more than one keyid is given to --recv-keys et
al.
- Cap RSA and Elgamal keysize at 4096 bit also for unattended key generation.
* Mon Jun 23 2014 Brian C. Lane <bcl@redhat.com> 1.4.17-1
- New upstream v1.4.17
- Avoid DoS due to garbled compressed data packets.
- Screen keyserver reponses to avoid import of unwanted keys by rogue servers.
- Add hash algorithms to the "sig" records of the colon output.
- More specific reason codes for INV_RECP status.
- Drop gpg.ru.1
* Sat Jun 7 2014 Fedora Release Engineering
<rel-eng@lists.fedoraproject.org> - 1.4.16-5
- Rebuilt for https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild
* Thu Feb 27 2014 Brian C. Lane <bcl@redhat.com> 1.4.16-4
- Cleanup some autoreconf complaints
* Sat Dec 21 2013 Ville Skyttä <ville.skytta@iki.fi> - 1.4.16-3
- Drop INSTALL from docs.
- Fix bogus dates in %changelog.
* Wed Dec 18 2013 Peter Robinson <pbrobinson@fedoraproject.org> 1.4.16-2
- New upstream v1.4.16
fixes for CVE-2013-4576
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References:

[ 1 ] Bug #1198145 - CVE-2014-3591 libgcrypt: use ciphertext blinding for
Elgamal decryption (new side-channel attack)
https://bugzilla.redhat.com/show_bug.cgi?id=1198145
[ 2 ] Bug #1198147 - CVE-2015-0837 libgcrypt: last-level cache side-channel
attack
https://bugzilla.redhat.com/show_bug.cgi?id=1198147
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This update can be installed with the "yum" update program. Use
su -c 'yum update gnupg' 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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