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

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Debian Security Advisory DSA 1342-1 security@debian.org
http://www.debian.org/security/

Moritz Muehlenhoff
July 30th, 2007

http://www.debian.org/security/faq
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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
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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
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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.

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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@lists.debian.org
Package info: `apt-cache show <pkg>' and http://packages.debian.org/
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