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------------------------------------------------------------------------ Debian Security Advisory DSA 735-2 security@debian.org http://www.debian.org/security/ Michael Stone July 07, 2005 http://www.debian.org/security/faq ------------------------------------------------------------------------
Package : sudo Vulnerability : pathname validation race Problem type : local Debian-specific: no CVE Id(s) : CAN-2005-1993 Debian Bug : 315115
A local user who has been granted permission to run commands via sudo could run arbitrary commands as a privileged user due to a flaw in sudo's pathname validation. This bug only affects configurations which have restricted user configurations prior to an ALL directive in the configuration file. A workaround is to move any ALL directives to the beginning of the sudoers file; see the advisory at http://www.sudo.ws/sudo/alerts/path_race.html for more information.
For the old stable Debian distribution (woody), this problem has been fixed in version 1.6.6-1.3woody1.
For the current stable distribution (sarge), this problem has been fixed in version 1.6.8p7-1.1sarge1.
For the unstable distribution, this problem has been fixed in version 1.6.8p9-1.
The only change since DSA 735-1 is the addition of certain architectures which were not available in the original advisory.
We recommend that you upgrade your sudo 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 3.0 (woody) ------------------
woody was released for alpha, arm, hppa, i386, ia64, m68k, mips, mipsel, powerpc, s390 and sparc. Packages for all but arm & ia64 were released in DSA 735-1.
arm architecture (ARM)
sudo_1.6.6-1.3woody1_arm.deb Size/MD5 checksum: 140196 68a776aa70997915c4cd3b2513cfda9a
ia64 architecture (Intel ia64)
sudo_1.6.6-1.3woody1_ia64.deb Size/MD5 checksum: 170186 a7f5941729ed3e865b3809225de8c950
Debian 3.1 (sarge) ------------------
sarge was released for alpha, arm, hppa, i386, ia64, m68k, mips, mipsel, powerpc, s390 and sparc. Packages for all but arm were released in DSA 735-1.
arm architecture (ARM)
sudo_1.6.8p7-1.1sarge1_arm.deb Size/MD5 checksum: 163476 870b7104140d4170b2bbc663d431c333
------------------------------------------------------------------------------- For apt-get: deb http://security.debian.org/ stable/updates main For dpkg-ftp: ftp://security.debian.org/debian-securitydists/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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