DSA-823-1 util-linux -- privilege escalation

Debian Security Advisory

DSA-823-1 util-linux -- privilege escalation

Date Reported:

29 Sep 2005

Affected Packages:

util-linux

Vulnerable:

Yes

Security database references:

In the Debian bugtracking system: Bug 328141, Bug 329063.
In Mitre's CVE dictionary: CVE-2005-2876.

More information:

David Watson discovered a bug in mount as provided by util-linux and other packages such as loop-aes-utils that allows local users to bypass filesystem access restrictions by re-mounting it read-only.

For the old stable distribution (woody) this problem has been fixed in version 2.11n-7woody1.

For the stable distribution (sarge) this problem has been fixed in version 2.12p-4sarge1.

For the unstable distribution (sid) this problem has been fixed in version 2.12p-8.

We recommend that you upgrade your util-linux package.

Fixed in:

Debian GNU/Linux 3.0 (woody)

Source:

http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.11n-7woody1.dsc

http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.11n-7woody1.diff.gz

http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.11n.orig.tar.gz

Architecture-independent component:

http://security.debian.org/pool/updates/main/u/util-linux/util-linux-locales_2.11n-7woody1_all.deb

Alpha:

http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.11n-7woody1_alpha.deb

http://security.debian.org/pool/updates/main/u/util-linux/mount_2.11n-7woody1_alpha.deb

http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.11n-7woody1_alpha.deb

ARM:

http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.11n-7woody1_arm.deb

http://security.debian.org/pool/updates/main/u/util-linux/mount_2.11n-7woody1_arm.deb

http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.11n-7woody1_arm.deb

Intel IA-32:

http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.11n-7woody1_i386.deb

http://security.debian.org/pool/updates/main/u/util-linux/mount_2.11n-7woody1_i386.deb

http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.11n-7woody1_i386.deb

Intel IA-64:

http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.11n-7woody1_ia64.deb

http://security.debian.org/pool/updates/main/u/util-linux/mount_2.11n-7woody1_ia64.deb

http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.11n-7woody1_ia64.deb

HPPA:

http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.11n-7woody1_hppa.deb

http://security.debian.org/pool/updates/main/u/util-linux/mount_2.11n-7woody1_hppa.deb

http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.11n-7woody1_hppa.deb

Motorola 680x0:

http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.11n-7woody1_m68k.deb

http://security.debian.org/pool/updates/main/u/util-linux/mount_2.11n-7woody1_m68k.deb

http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.11n-7woody1_m68k.deb

Big endian MIPS:

http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.11n-7woody1_mips.deb

http://security.debian.org/pool/updates/main/u/util-linux/mount_2.11n-7woody1_mips.deb

http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.11n-7woody1_mips.deb

Little endian MIPS:

http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.11n-7woody1_mipsel.deb

http://security.debian.org/pool/updates/main/u/util-linux/mount_2.11n-7woody1_mipsel.deb

http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.11n-7woody1_mipsel.deb

PowerPC:

http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.11n-7woody1_powerpc.deb

http://security.debian.org/pool/updates/main/u/util-linux/mount_2.11n-7woody1_powerpc.deb

http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.11n-7woody1_powerpc.deb

IBM S/390:

http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.11n-7woody1_s390.deb

http://security.debian.org/pool/updates/main/u/util-linux/mount_2.11n-7woody1_s390.deb

http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.11n-7woody1_s390.deb

Sun Sparc:

http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.11n-7woody1_sparc.deb

http://security.debian.org/pool/updates/main/u/util-linux/mount_2.11n-7woody1_sparc.deb

http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.11n-7woody1_sparc.deb

Debian GNU/Linux 3.1 (sarge)

Source:

http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.12p-4sarge1.dsc

http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.12p-4sarge1.diff.gz

http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.12p.orig.tar.gz

Architecture-independent component:

http://security.debian.org/pool/updates/main/u/util-linux/util-linux-locales_2.12p-4sarge1_all.deb

Alpha:

http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.12p-4sarge1_alpha.deb

http://security.debian.org/pool/updates/main/u/util-linux/mount_2.12p-4sarge1_alpha.deb

http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.12p-4sarge1_alpha.deb

AMD64:

http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.12p-4sarge1_amd64.deb

http://security.debian.org/pool/updates/main/u/util-linux/mount_2.12p-4sarge1_amd64.deb

http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.12p-4sarge1_amd64.deb

ARM:

http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.12p-4sarge1_arm.deb

http://security.debian.org/pool/updates/main/u/util-linux/mount_2.12p-4sarge1_arm.deb

http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.12p-4sarge1_arm.deb

Intel IA-32:

http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.12p-4sarge1_i386.deb

http://security.debian.org/pool/updates/main/u/util-linux/mount_2.12p-4sarge1_i386.deb

http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.12p-4sarge1_i386.deb

Intel IA-64:

http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.12p-4sarge1_ia64.deb

http://security.debian.org/pool/updates/main/u/util-linux/mount_2.12p-4sarge1_ia64.deb

http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.12p-4sarge1_ia64.deb

HPPA:

http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.12p-4sarge1_hppa.deb

http://security.debian.org/pool/updates/main/u/util-linux/mount_2.12p-4sarge1_hppa.deb

http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.12p-4sarge1_hppa.deb

Motorola 680x0:

http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.12p-4sarge1_m68k.deb

http://security.debian.org/pool/updates/main/u/util-linux/mount_2.12p-4sarge1_m68k.deb

http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.12p-4sarge1_m68k.deb

Big endian MIPS:

http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.12p-4sarge1_mips.deb

http://security.debian.org/pool/updates/main/u/util-linux/mount_2.12p-4sarge1_mips.deb

http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.12p-4sarge1_mips.deb

Little endian MIPS:

http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.12p-4sarge1_mipsel.deb

http://security.debian.org/pool/updates/main/u/util-linux/mount_2.12p-4sarge1_mipsel.deb

http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.12p-4sarge1_mipsel.deb

PowerPC:

http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.12p-4sarge1_powerpc.deb

http://security.debian.org/pool/updates/main/u/util-linux/mount_2.12p-4sarge1_powerpc.deb

http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.12p-4sarge1_powerpc.deb

IBM S/390:

http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.12p-4sarge1_s390.deb

http://security.debian.org/pool/updates/main/u/util-linux/mount_2.12p-4sarge1_s390.deb

http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.12p-4sarge1_s390.deb

Sun Sparc:

http://security.debian.org/pool/updates/main/u/util-linux/bsdutils_2.12p-4sarge1_sparc.deb

http://security.debian.org/pool/updates/main/u/util-linux/mount_2.12p-4sarge1_sparc.deb

http://security.debian.org/pool/updates/main/u/util-linux/util-linux_2.12p-4sarge1_sparc.deb

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