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Mandriva Linux Security Advisory MDVSA-2015:207
http://www.mandriva.com/en/support/security/
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Package : perl-Module-Signature
Date : April 27, 2015
Affected: Business Server 1.0
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Problem Description:

Updated perl-Module-Signature package fixes the following security
vulnerabilities reported by John Lightsey:

Module::Signature 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
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

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

Several modules were loaded 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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References:

http://advisories.mageia.org/MGASA-2015-0160.html
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Updated Packages:

Mandriva Business Server 1/X86_64:
47149b012bb749c0bad31476a85d7d37 mbs1/x86_64/perl-Module-Signature-0.730.0-1.1.mbs1.noarch.rpm
e10863123658798234fc8304bda196b5 mbs1/SRPMS/perl-Module-Signature-0.730.0-1.1.mbs1.src.rpm
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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
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Type Bits/KeyID Date User ID
pub 1024D/22458A98 2000-07-10 Mandriva Security Team
<security*mandriva.com>
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