[PLUG] Thin Client Security [Fwd: [SECURITY] [DSA 219-1] New dhcpcd packages fix remote command execution vulnerability]
Cooper Stevenson
cooper at linux-enterprise.net
Tue Dec 31 11:19:03 UTC 2002
Karl,
I must confess I hadn't thought about it this way but now that you
mention it I definitely don't need people viewing an accountant's data
on the client through the DHCP server!!
Silly crackers, spreadsheets are for accountants!
-Cooper
On Tue, 2002-12-31 at 10:59, Karl M. Hegbloom wrote:
> This is the sort of thing you worry about, perhaps?
>
> ----
>
> From: Martin Schulze <joey at infodrom.org>
> To: Debian Security Announcements <debian-security-announce at lists.debian.org>
> Subject: [SECURITY] [DSA 219-1] New dhcpcd packages fix remote command execution vulnerability
> Date: 31 Dec 2002 14:19:06 +0100
>
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> - --------------------------------------------------------------------------
> Debian Security Advisory DSA 219-1 security at debian.org
> http://www.debian.org/security/ Martin Schulze
> December 31st, 2002 http://www.debian.org/security/faq
> - --------------------------------------------------------------------------
>
> Package : dhcpcd
> Vulnerability : remote command execution
> Problem-Type : remote
> Debian-specific: no
> BugTraq Id : 6200
>
> Simon Kelly discovered a vulnerability in dhcpcd, an RFC2131 and
> RFC1541 compliant DHCP client daemon, that runs with root privileges
> on client machines. A malicious administrator of the regular or an
> untrusted DHCP server may execute any command with root privileges on
> the DHCP client machine by sending the command enclosed in shell
> metacharacters in one of the options provided by the DHCP server.
>
> This problem has been fixed in version 1.3.17pl2-8.1 for the old
> stable distribution (potato) and in version 1.3.22pl2-2 for the
> testing (sarge) and unstable (sid) distributions. The current stable
> distribution (woody) does not contain a dhcpcd package.
>
> We recommend that you upgrade your dhcpcd package (on the client
> machine).
>
> 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 2.2 alias potato
> - ---------------------------------
>
> Source archives:
>
> http://security.debian.org/pool/updates/main/d/dhcpcd/dhcpcd_1.3.17pl2-8.1.dsc
> Size/MD5 checksum: 538 1c19758ca0d21405a7d5558b79873bcd
> http://security.debian.org/pool/updates/main/d/dhcpcd/dhcpcd_1.3.17pl2-8.1.diff.gz
> Size/MD5 checksum: 12839 95c26c2d2ea5bfc820b125ce7a409036
> http://security.debian.org/pool/updates/main/d/dhcpcd/dhcpcd_1.3.17pl2.orig.tar.gz
> Size/MD5 checksum: 152368 c23be689d4725eca9bbc65ad3cb85049
>
> Alpha architecture:
>
> http://security.debian.org/pool/updates/main/d/dhcpcd/dhcpcd_1.3.17pl2-8.1_alpha.deb
> Size/MD5 checksum: 49666 d3e56f10c3a360dec6e32881dd29ee11
>
> ARM architecture:
>
> http://security.debian.org/pool/updates/main/d/dhcpcd/dhcpcd_1.3.17pl2-8.1_arm.deb
> Size/MD5 checksum: 40160 54f8b2b37f203ae7df2afb1342183989
>
> Intel IA-32 architecture:
>
> http://security.debian.org/pool/updates/main/d/dhcpcd/dhcpcd_1.3.17pl2-8.1_i386.deb
> Size/MD5 checksum: 37422 2217cc83b78e829037faebf2c66cf1c5
>
> Motorola 680x0 architecture:
>
> http://security.debian.org/pool/updates/main/d/dhcpcd/dhcpcd_1.3.17pl2-8.1_m68k.deb
> Size/MD5 checksum: 36242 5aa43b776c6609a4b12fa20ce6be08fe
>
> PowerPC architecture:
>
> http://security.debian.org/pool/updates/main/d/dhcpcd/dhcpcd_1.3.17pl2-8.1_powerpc.deb
> Size/MD5 checksum: 39432 53a3ab3c9ca17f562c7d9280c0ae7e56
>
> Sun Sparc architecture:
>
> http://security.debian.org/pool/updates/main/d/dhcpcd/dhcpcd_1.3.17pl2-8.1_sparc.deb
> Size/MD5 checksum: 41544 084cc56b2d43ab9c79ac075cef8d9f84
>
>
> These files will probably be moved into the stable distribution on
> its next revision.
>
> - ---------------------------------------------------------------------------------
> 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 at lists.debian.org
> Package info: `apt-cache show <pkg>' and http://packages.debian.org/<pkg>
>
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