Debian Security Advisory

DSA-1657-1 qemu -- insecure temporary files

Date Reported:

20 Oct 2008

Affected Packages:

qemu

Vulnerable:

Yes

Security database references:

In the Debian bugtracking system: Bug 496394.
In Mitre's CVE dictionary: CVE-2008-4553.

More information:

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.

Fixed in:

Debian GNU/Linux 4.0 (etch)

Source:: http://security.debian.org/pool/updates/main/q/qemu/qemu_0.8.2-4etch2.dsc; http://security.debian.org/pool/updates/main/q/qemu/qemu_0.8.2.orig.tar.gz; http://security.debian.org/pool/updates/main/q/qemu/qemu_0.8.2-4etch2.diff.gz
AMD64:: http://security.debian.org/pool/updates/main/q/qemu/qemu_0.8.2-4etch2_amd64.deb
Intel IA-32:: http://security.debian.org/pool/updates/main/q/qemu/qemu_0.8.2-4etch2_i386.deb
PowerPC:: http://security.debian.org/pool/updates/main/q/qemu/qemu_0.8.2-4etch2_powerpc.deb

MD5 checksums of the listed files are available in the original advisory.