Date: Mon, 20 Oct 2008 21:29:57 +0100
From: Steve Kemp <skx@debian.org.>
Subject: [SECURITY] [DSA 1657-1] New qemu packages fix denial of service
Priority: urgent
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Debian Security Advisory DSA-1657-1 security@debian.org
http://www.debian.org/security/ Steve Kemp
October 20, 2008 http://www.debian.org/security/faq
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Package : qemu
Vulnerability : insecure temporary files
Problem type : local
Debian-specific: no
CVE Id(s) : CVE-2008-4553
Debian Bug : 496394
Dmitry E. Oboukhov discovered that the qemu-make-debian-root script in qemu,
fast processor emulator, creates temporary files insecurely, which may lead
to a local denial of service through symlink attacks.
For the stable distribution (etch), this problem has been fixed in
version 0.8.2-4etch2.
For the testing (lenny) and unstable distribution (sid), this problem has
been fixed in version 0.9.1-6.
We recommend that you upgrade your qemu 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/q/qemu/qemu_0.8.2-4etch2.dsc
Size/MD5 checksum: 1130 fd503742c9e3e64be60f8ff265f05edc
http://security.debian.org/pool/updates/main/q/qemu/qemu_0.8.2.orig.tar.gz
Size/MD5 checksum: 1501979 312eebc1386cca2e9b30a40763ab9c0d
http://security.debian.org/pool/updates/main/q/qemu/qemu_0.8.2-4etch2.diff.gz
Size/MD5 checksum: 65528 6b47c99fa9e0e99e4af47d5417bc497b
amd64 architecture (AMD x86_64 (AMD64))
http://security.debian.org/pool/updates/main/q/qemu/qemu_0.8.2-4etch2_amd64.deb
Size/MD5 checksum: 3697974 1e88b4385a82864d386fe57608c8617a
i386 architecture (Intel ia32)
http://security.debian.org/pool/updates/main/q/qemu/qemu_0.8.2-4etch2_i386.deb
Size/MD5 checksum: 3676128 cd73888cc1915af94792085994b946e3
powerpc architecture (PowerPC)
http://security.debian.org/pool/updates/main/q/qemu/qemu_0.8.2-4etch2_powerpc.deb
Size/MD5 checksum: 3578592 86133e0b1804cc53f78f8eb71779a337
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/<;pkg>
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