bugtraq - [USN-113-1] libnet-ssleay-perl vulnerability

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Message-ID: <20050503112523.GA2929@box79162.elkhouse.de>
Date: Tue, 3 May 2005 13:25:24 +0200
From: Martin Pitt <martin.pitt@...onical.com>
To: ubuntu-security-announce@...ts.ubuntu.com
Cc: full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com
Subject: [USN-113-1] libnet-ssleay-perl vulnerability

===========================================================
Ubuntu Security Notice USN-113-1	       May 03, 2005
libnet-ssleay-perl vulnerability
CAN-2005-0106
===========================================================

A security issue affects the following Ubuntu releases:

Ubuntu 5.04 (Hoary Hedgehog)

The following packages are affected:

libnet-ssleay-perl

The problem can be corrected by upgrading the affected package to version
1.25-1ubuntu0.2.  In general, a standard system upgrade is sufficient to effect
the necessary changes.

Details follow:

Javier Fernandez-Sanguino Pena discovered that this library used the
file /tmp/entropy as a fallback entropy source if a proper source was
not set in the environment variable EGD_PATH. This can potentially
lead to weakened cryptographic operations if an attacker provides a
/tmp/entropy file with known content.

The updated package requires the specification of an entropy source
with EGD_PATH and also requires that the source is a socket (as
opposed to a normal file).

Please note that this only affects systems which have egd installed
from third party sources; egd is not shipped with Ubuntu.

  Source archives:

    http://security.ubuntu.com/ubuntu/pool/main/libn/libnet-ssleay-perl/libnet-ssleay-perl_1.25-1ubuntu0.2.dsc
      Size/MD5:  668 90dfb26e445d7eeb68ee39c69148c649
    http://security.ubuntu.com/ubuntu/pool/main/libn/libnet-ssleay-perl/libnet-ssleay-perl_1.25-1ubuntu0.2.diff.gz
      Size/MD5:  5901 b148bdb144acea8eff268f766b6cb6c0
    http://security.ubuntu.com/ubuntu/pool/main/libn/libnet-ssleay-perl/libnet-ssleay-perl_1.25.orig.tar.gz
      Size/MD5:    76627 d32f3fa38b1c49a2a98e75577d5dc10b

  i386 architecture (x86 compatible Intel/AMD)

    http://security.ubuntu.com/ubuntu/pool/main/libn/libnet-ssleay-perl/libnet-ssleay-perl_1.25-1ubuntu0.2_i386.deb
      Size/MD5:  177492 2a5250e82cd4dac83a061d0e6de68423

  powerpc architecture (Apple Macintosh G3/G4/G5)

    http://security.ubuntu.com/ubuntu/pool/main/libn/libnet-ssleay-perl/libnet-ssleay-perl_1.25-1ubuntu0.2_powerpc.deb
      Size/MD5:  182298 d7d20090fb0b24a620f79e50d39ff0a4

  amd64 architecture (Athlon64, Opteron, EM64T Xeon)

    http://security.ubuntu.com/ubuntu/pool/main/libn/libnet-ssleay-perl/libnet-ssleay-perl_1.25-1ubuntu0.2_amd64.deb
      Size/MD5:  179592 931ccca9ba5fe8bd0a89152f7b6b6cef

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