bugtraq - [SECURITY] [DSA 1342-1] New xfs packages fix privilege escalation

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Message-ID: <20070730185328.GA18260@galadriel.inutil.org>
Date: Mon, 30 Jul 2007 20:53:28 +0200
From: Moritz Muehlenhoff <jmm@...ian.org>
To: bugtraq@...urityfocus.com
Subject: [SECURITY] [DSA 1342-1] New xfs packages fix privilege escalation

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Debian Security Advisory DSA 1342-1                    security@...ian.org
http://www.debian.org/security/                         Moritz Muehlenhoff
July 30th, 2007                         http://www.debian.org/security/faq
- --------------------------------------------------------------------------

Package        : xfs
Vulnerability  : race condition
Problem-Type   : local
Debian-specific: no
CVE ID         : CVE-2007-3103 

It was discovered that a race condition in the init.d script of the X Font
Server allows the modification of file permissions of arbitrary files if
the local administrator can be tricked into restarting the X font server.

For the oldstable distribution (sarge) xfs is present as part of the
monolithic xfree86 package. A fix will be provided along with a future
security update.

For the stable distribution (etch) this problem has been fixed in
version 1.0.1-6.

For the unstable distribution (sid) this problem has been fixed in
version 1.0.4-2.

We recommend that you upgrade your xfs package.


Upgrade Instructions
- --------------------

wget url
        will fetch the file for you
dpkg -i file.deb
        will install the referenced file.

If you are using the apt-get package manager, use the line for
sources.list as given below:

apt-get update
        will update the internal database
apt-get upgrade
        will install corrected packages

You may use an automated update by adding the resources from the
footer to the proper configuration.


Debian GNU/Linux 4.0 alias etch
- -------------------------------

  Source archives:

    http://security.debian.org/pool/updates/main/x/xfs/xfs_1.0.1-6.dsc
      Size/MD5 checksum:      794 938a05eb2b1638fc49b4d7101084c69b
    http://security.debian.org/pool/updates/main/x/xfs/xfs_1.0.1-6.diff.gz
      Size/MD5 checksum:    28440 0eeacd5783c66b937eaa1dbde6145401
    http://security.debian.org/pool/updates/main/x/xfs/xfs_1.0.1.orig.tar.gz
      Size/MD5 checksum:   174623 32e8b6b24ec3d4c0de11d81061640cc2

  Alpha architecture:

    http://security.debian.org/pool/updates/main/x/xfs/xfs_1.0.1-6_alpha.deb
      Size/MD5 checksum:    75520 0becb7909f5d9df1621d1a8b153eab2b

  AMD64 architecture:

    http://security.debian.org/pool/updates/main/x/xfs/xfs_1.0.1-6_amd64.deb
      Size/MD5 checksum:    65224 632e1a2416a91e079fe16f19f8c18f37

  ARM architecture:

    http://security.debian.org/pool/updates/main/x/xfs/xfs_1.0.1-6_arm.deb
      Size/MD5 checksum:    61330 41a50afe7ca54708028f8929ef9f62a8

  HP Precision architecture:

    http://security.debian.org/pool/updates/main/x/xfs/xfs_1.0.1-6_hppa.deb
      Size/MD5 checksum:    68312 31b1450c324283337298f0671491eddd

  Intel IA-32 architecture:

    http://security.debian.org/pool/updates/main/x/xfs/xfs_1.0.1-6_i386.deb
      Size/MD5 checksum:    56856 40191532dd37541d09a9ff62bf9e6189

  Intel IA-64 architecture:

    http://security.debian.org/pool/updates/main/x/xfs/xfs_1.0.1-6_ia64.deb
      Size/MD5 checksum:    97348 31aacc8828c1dc532db8d5b630de5f5c

  Big endian MIPS architecture:

    http://security.debian.org/pool/updates/main/x/xfs/xfs_1.0.1-6_mips.deb
      Size/MD5 checksum:    69112 c0797a23074512e31edeef83a57817b5

  Little endian MIPS architecture:

    http://security.debian.org/pool/updates/main/x/xfs/xfs_1.0.1-6_mipsel.deb
      Size/MD5 checksum:    69032 3a44f04fd9e3f4b84fd03889bcebeb56

  PowerPC architecture:

    http://security.debian.org/pool/updates/main/x/xfs/xfs_1.0.1-6_powerpc.deb
      Size/MD5 checksum:    64512 00d156e38ef0cf5f5257ae90cef496a2

  IBM S/390 architecture:

    http://security.debian.org/pool/updates/main/x/xfs/xfs_1.0.1-6_s390.deb
      Size/MD5 checksum:    67514 710d362f9183b98f817736e466c89d35

  Sun Sparc architecture:

    http://security.debian.org/pool/updates/main/x/xfs/xfs_1.0.1-6_sparc.deb
      Size/MD5 checksum:    57382 8a32daa22fd7630ff4101e21a4cfaf7d


  These files will probably be moved into the stable distribution on
  its next update.

- ---------------------------------------------------------------------------------
For apt-get: deb http://security.debian.org/ stable/updates main
For dpkg-ftp: ftp://security.debian.org/debian-security dists/stable/updates/main
Mailing list: debian-security-announce@...ts.debian.org
Package info: `apt-cache show <pkg>' and http://packages.debian.org/<pkg>
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