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Sicherheit: Mehrere Probleme in perl-Test-Signature
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in perl-Test-Signature
ID: FEDORA-2015-5840
Distribution: Fedora
Plattformen: Fedora 20
Datum: So, 19. April 2015, 01:06
Referenzen: Keine Angabe

Originalnachricht

Name        : perl-Test-Signature
Product : Fedora 20
Version : 1.11
Release : 1.fc20
URL : http://search.cpan.org/dist/Test-Signature/
Summary : Automated SIGNATURE testing
Description :
Module::Signature allows you to verify that a distribution has not been
tampered with. Test::Signature lets that be tested as part of the
distribution's test suite.

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Update Information:

This update addresses various security issues in perl-Module-Signature as
described below. The default behavior is also changed so as to ignore any MANIFEST.SKIP files unless a "skip" parameter is specified. An updated version of perl-Test-Signature that accounts for the changed default behavior is included in this update.

Security issues:

* Module::Signature before version 0.75 could be tricked into interpreting the
unsigned portion of a SIGNATURE file as the signed portion due to faulty parsing of the PGP signature boundaries.

* When verifying the contents of a CPAN module, Module::Signature before
version 0.75 ignored some files in the extracted tarball that were not listed in the signature file. This included some files in the t/ directory that would execute
automatically during "make test".

* Module::Signature before version 0.75 used two argument open() calls to read
the files when generating checksums from the signed manifest. This allowed embedding arbitrary shell commands into the SIGNATURE file that would execute during the signature verification process.

* Module::Signature before version 0.75 has been loading several modules at
runtime inside the extracted module directory. Modules like Text::Diff are not guaranteed to be available on all platforms and could be added to a malicious
module so that they would load from the '.' path in @INC.

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ChangeLog:

* Wed Apr 8 2015 Paul Howarth <paul@city-fan.org> - 1.11-1
- Update to 1.11
- Compatibility with Module::Signature 0.75+
- Classify buildreqs by usage
- Don't use macros for commands
- Avoid clobbering ~/.gnupg for local builds
- Make %files list more explicit
- Drop %defattr, redundant since rpm 4.4
- Import upstream's GPG key in %prep so we don't need to fetch it from
a
keyserver when running the signature test
* Tue Aug 26 2014 Jitka Plesnikova <jplesnik@redhat.com> - 1.10-18
- Perl 5.20 rebuild
* Sat Jun 7 2014 Fedora Release Engineering
<rel-eng@lists.fedoraproject.org> - 1.10-17
- Rebuilt for https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild
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References:

[ 1 ] Bug #1209911 - perl-Module-Signature: unsigned files interpreted as
signed in some circumstances
https://bugzilla.redhat.com/show_bug.cgi?id=1209911
[ 2 ] Bug #1209915 - perl-Module-Signature: arbitrary code execution during
test phase
https://bugzilla.redhat.com/show_bug.cgi?id=1209915
[ 3 ] Bug #1209917 - perl-Module-Signature: arbitrary code execution when
verifying module signatures
https://bugzilla.redhat.com/show_bug.cgi?id=1209917
[ 4 ] Bug #1209918 - perl-Module-Signature: arbitrary modules loading in some
circumstances
https://bugzilla.redhat.com/show_bug.cgi?id=1209918
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This update can be installed with the "yum" update program. Use
su -c 'yum update perl-Test-Signature' 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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