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Debian Security Advisory DSA 843-1 security (at) debian (dot) org [email concealed]
http://www.debian.org/security/ Martin Schulze
October 5th, 2005 http://www.debian.org/security/faq
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Package : arc
Vulnerability : insecure temporary file
Problem type : local
Debian-specific: no
CVE ID : CAN-2005-2945 CAN-2005-2992

Two vulnerabilities have been discovered in the ARC archive program
under Unix. The Common Vulnerabilities and Exposures project
identifies the following problems:

CAN-2005-2945

Eric Romang discovered that the ARC archive program under Unix
creates a temporary file with insecure permissions which may lead
to an attacker stealing sensitive information.

CAN-2005-2992

Joey Schulze discovered that the temporary file was created in an
insecure fashion as well, leaving it open to a classic symlink
attack.

The old stable distribution (woody) does not contain arc packages.

For the stable distribution (sarge) these problems have been fixed in
version 5.21l-1sarge1.

For the unstable distribution (sid) these problems have been fixed in
version 5.21m-1.

We recommend that you upgrade your arc 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 3.1 alias sarge
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Source archives:

http://security.debian.org/pool/updates/main/a/arc/arc_5.21l-1sarge1.dsc

Size/MD5 checksum: 552 4ebba22896668e091043fb909dd7f0b7
http://security.debian.org/pool/updates/main/a/arc/arc_5.21l-1sarge1.dif
f.gz
Size/MD5 checksum: 3323 1c70a26064195b6664b296313c73cbc0
http://security.debian.org/pool/updates/main/a/arc/arc_5.21l.orig.tar.gz

Size/MD5 checksum: 82134 f30654fbe80640f0219c33d0f2f64021

Alpha architecture:

http://security.debian.org/pool/updates/main/a/arc/arc_5.21l-1sarge1_alp
ha.deb
Size/MD5 checksum: 67312 081b0a1573d4f3a2ce35e937200a56bd

AMD64 architecture:

http://security.debian.org/pool/updates/main/a/arc/arc_5.21l-1sarge1_amd
64.deb
Size/MD5 checksum: 60646 c8edb347de5f20d8f17a93bde98fc9fd

ARM architecture:

http://security.debian.org/pool/updates/main/a/arc/arc_5.21l-1sarge1_arm
.deb
Size/MD5 checksum: 57442 2ad784c9a055046c2e47990ae8155001

Intel IA-32 architecture:

http://security.debian.org/pool/updates/main/a/arc/arc_5.21l-1sarge1_i38
6.deb
Size/MD5 checksum: 55506 f8c3fb1adb553abbcceabdeb5a3aea82

Intel IA-64 architecture:

http://security.debian.org/pool/updates/main/a/arc/arc_5.21l-1sarge1_ia6
4.deb
Size/MD5 checksum: 73842 d70cebf9b47a8630692450476fe9062c

HP Precision architecture:

http://security.debian.org/pool/updates/main/a/arc/arc_5.21l-1sarge1_hpp
a.deb
Size/MD5 checksum: 62028 a33d986f66f7ca3d5f582fbf495bb45f

Motorola 680x0 architecture:

http://security.debian.org/pool/updates/main/a/arc/arc_5.21l-1sarge1_m68
k.deb
Size/MD5 checksum: 52462 51ad27d071bb88b938de56b58dbe6d0e

Big endian MIPS architecture:

http://security.debian.org/pool/updates/main/a/arc/arc_5.21l-1sarge1_mip
s.deb
Size/MD5 checksum: 64456 6991489144d5381fe19b73edc104f7a3

Little endian MIPS architecture:

http://security.debian.org/pool/updates/main/a/arc/arc_5.21l-1sarge1_mip
sel.deb
Size/MD5 checksum: 64228 c0ba8aaac79f6547d13db04ba13b39bd

PowerPC architecture:

http://security.debian.org/pool/updates/main/a/arc/arc_5.21l-1sarge1_pow
erpc.deb
Size/MD5 checksum: 60004 85870f99024711bdf1bc5ed32398ce07

IBM S/390 architecture:

http://security.debian.org/pool/updates/main/a/arc/arc_5.21l-1sarge1_s39
0.deb
Size/MD5 checksum: 60052 5adb2907170ef095d50daf397193cfa2

Sun Sparc architecture:

http://security.debian.org/pool/updates/main/a/arc/arc_5.21l-1sarge1_spa
rc.deb
Size/MD5 checksum: 57084 88ec040ae647afb844d1c98a4c7a77a7

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 (at) lists.debian (dot) org [email concealed]
Package info: `apt-cache show <pkg>' and http://packages.debian.org/<pkg>

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