Mandriva Linux Security Advisory : librsync (MDVSA-2015:204)

This script is Copyright (C) 2015 Tenable Network Security, Inc.

Synopsis :

The remote Mandriva Linux host is missing one or more security

Description :

Updated librsync packages fix security vulnerability :

librsync before 1.0.0 used a truncated MD4 strong check sum to match
blocks. However, MD4 is not cryptographically strong. It's possible
that an attacker who can control the contents of one part of a file
could use it to control other regions of the file, if it's transferred
using librsync/rdiff (CVE-2014-8242).

The change to fix this is not backward compatible with older versions
of librsync. Backward compatibility can be obtained using the new
rdiff sig --hash=md4 option or through specifying the signature magic
in the API, but this should not be used when either the old or new
file contain untrusted data.

Also, any applications that use the librsync library will need to be
recompiled against the updated library. The rdiff-backup packages have
been rebuilt for this reason.

See also :

Solution :

Update the affected packages.

Risk factor :


Family: Mandriva Local Security Checks

Nessus Plugin ID: 83096 ()

Bugtraq ID:

CVE ID: CVE-2014-8242

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