From: Secunia Security Advisories (sec-advsecunia.com)
Date: Tue Jul 08 2003 - 04:36:22 CDT

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TITLE:
Debian liece Insecure Temporary File Creation Vulnerability

READ ONLINE:
http://www.secunia.com/advisories/9200/

CRITICAL:
Less critical

IMPACT:
Privilege escalation

WHERE:
Local system

OPERATING SYSTEM:
Debian GNU/Linux 3.0
Debian GNU/Linux unstable alias sid

DESCRIPTION:
Debian has reported a vulnerability in liece, which can be exploited
by malicious, local users to escalate their privileges on a
vulnerable system.

The vulnerability is caused due to insecure creation of temporary
files. This could potentially be exploited via a symlink attack to
overwrite arbitrary files with the privileges of the user running
Emacs and liece.

SOLUTION:
Updated packages:

-- Debian GNU/Linux 3.0 alias woody --

Source archives:

http://security.debian.org/pool/updates/main/l/liece/liece_2.0+0.20020217cvs-2.1.dsc
Size/MD5 checksum: 651 5365a2832255484825d91a074a9002d5
http://security.debian.org/pool/updates/main/l/liece/liece_2.0+0.20020217cvs-2.1.diff.gz
Size/MD5 checksum: 23656 ae6f387c235a5d96095451b4af191f35
http://security.debian.org/pool/updates/main/l/liece/liece_2.0+0.20020217cvs.orig.tar.gz
Size/MD5 checksum: 177906 e65904378f316bf91ff03778616cc1f2

Architecture independent components:

http://security.debian.org/pool/updates/main/l/liece/liece_2.0+0.20020217cvs-2.1_all.deb
Size/MD5 checksum: 172444 f8bbd4ad57ce0312d800bc2560317fc8

Alpha architecture:

http://security.debian.org/pool/updates/main/l/liece/liece-dcc_2.0+0.20020217cvs-2.1_alpha.deb
Size/MD5 checksum: 13586 0e4f1b0f79f18e7e945ed00ca11d7de7

ARM architecture:

http://security.debian.org/pool/updates/main/l/liece/liece-dcc_2.0+0.20020217cvs-2.1_arm.deb
Size/MD5 checksum: 12268 2db13830327fb7a57bd4a817b9355b87

Intel IA-32 architecture:

http://security.debian.org/pool/updates/main/l/liece/liece-dcc_2.0+0.20020217cvs-2.1_i386.deb
Size/MD5 checksum: 12146 607efa3d30637343f27fa8f80878ea51

Intel IA-64 architecture:

http://security.debian.org/pool/updates/main/l/liece/liece-dcc_2.0+0.20020217cvs-2.1_ia64.deb
Size/MD5 checksum: 15352 e9daa6803be3ce7b2347ee82aca66b4f

HP Precision architecture:

http://security.debian.org/pool/updates/main/l/liece/liece-dcc_2.0+0.20020217cvs-2.1_hppa.deb
Size/MD5 checksum: 13294 d8ccec5776c8609395427df536895408

Motorola 680x0 architecture:

http://security.debian.org/pool/updates/main/l/liece/liece-dcc_2.0+0.20020217cvs-2.1_m68k.deb
Size/MD5 checksum: 11858 a9f45efebe7d434d2734372b1560f4ae

Big endian MIPS architecture:

http://security.debian.org/pool/updates/main/l/liece/liece-dcc_2.0+0.20020217cvs-2.1_mips.deb
Size/MD5 checksum: 12426 e2aa7cbc34c648dbee47a09790adc04b

Little endian MIPS architecture:

http://security.debian.org/pool/updates/main/l/liece/liece-dcc_2.0+0.20020217cvs-2.1_mipsel.deb
Size/MD5 checksum: 12602 c37e26ff0c9c531c7973410f32ff1bcb

PowerPC architecture:

http://security.debian.org/pool/updates/main/l/liece/liece-dcc_2.0+0.20020217cvs-2.1_powerpc.deb
Size/MD5 checksum: 12044 f56a5757cdb1dcf6b7d16e9bf9c86878

IBM S/390 architecture:

http://security.debian.org/pool/updates/main/l/liece/liece-dcc_2.0+0.20020217cvs-2.1_s390.deb
Size/MD5 checksum: 12576 ec2bd8df278c3f8540bd20eeee76fd03

Sun Sparc architecture:

http://security.debian.org/pool/updates/main/l/liece/liece-dcc_2.0+0.20020217cvs-2.1_sparc.deb
Size/MD5 checksum: 15046 6562f9c2ec923bf7f1ceec9b0204d2e3

-- Debian GNU/Linux unstable alias sid --

Fixed in version 2.0+0.20030527cvs-1.

ORIGINAL ADVISORY:
http://lists.debian.org/debian-security-announce/debian-security-announce-2003/msg00138.html

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