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Orville Write Environment Variable Privilege Escalation Vulnerability
Secunia Advisory: SA9085
Release Date: 2003-06-20
Popularity: 7,532 views

Critical:
Less critical
Impact: Privilege escalation
Where: Local system
Solution Status: Vendor Patch

OS:Debian GNU/Linux 3.0
Debian GNU/Linux unstable alias sid

Software:Orville write 2.x

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CVE reference:CVE-2003-0441


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

The vulnerability is caused due to a boundary error in the handling of multiple environment variables (eg. "HOME"). This may be exploited to cause a buffer overflow and execute arbitrary code with higher privileges than intended.

A malicious person may gain "root" privileges or group "tty" privileges depending on the configuration selected during installation.

Solution:
Update to version 2.54:
http://www.unixpapa.com/software/orville-write-2.54.tar.gz

Debian has issued updated packages:

-- Debian GNU/Linux 3.0 alias woody --

Source archives:

http://security.debian.org/pool/updat...-write/orville-write_2.53-4woody1.dsc
Size/MD5 checksum: 589 170c84e5c499f942ca625cb0f10e2bbe
http://security.debian.org/pool/updat...te/orville-write_2.53-4woody1.diff.gz
Size/MD5 checksum: 4882 f9147a6f6c6d69e954d024fbaf789ecf
http://security.debian.org/pool/updat...-write/orville-write_2.53.orig.tar.gz
Size/MD5 checksum: 75717 9dafdab825157df8377ce67a3c0eb2a5

Alpha architecture:

http://security.debian.org/pool/updat.../orville-write_2.53-4woody1_alpha.deb
Size/MD5 checksum: 63424 aa2124137efcafbf9baceb196a942564

ARM architecture:

http://security.debian.org/pool/updat...te/orville-write_2.53-4woody1_arm.deb
Size/MD5 checksum: 52108 89c8970e2523fe6a98a053ae9bb1e997

Intel IA-32 architecture:

http://security.debian.org/pool/updat...e/orville-write_2.53-4woody1_i386.deb
Size/MD5 checksum: 51938 fb5d8e11b58013abd377e9425a8aab39

Intel IA-64 architecture:

http://security.debian.org/pool/updat...e/orville-write_2.53-4woody1_ia64.deb
Size/MD5 checksum: 71988 df14d6a8f997ceec1acb348a8cb92b56

HP Precision architecture:

http://security.debian.org/pool/updat...e/orville-write_2.53-4woody1_hppa.deb
Size/MD5 checksum: 58534 b384d176de75d907dd08e723f701d6ed

Motorola 680x0 architecture:

http://security.debian.org/pool/updat...e/orville-write_2.53-4woody1_m68k.deb
Size/MD5 checksum: 51098 ac0307daa1d4c6abfe7810a85fd49589

Big endian MIPS architecture:

http://security.debian.org/pool/updat...e/orville-write_2.53-4woody1_mips.deb
Size/MD5 checksum: 57830 4507261a670f4c50605bb84170a705b2

Little endian MIPS architecture:

http://security.debian.org/pool/updat...orville-write_2.53-4woody1_mipsel.deb
Size/MD5 checksum: 57154 130d5d0d7e6d55145fe690f0de7d2a8e

PowerPC architecture:

http://security.debian.org/pool/updat...rville-write_2.53-4woody1_powerpc.deb
Size/MD5 checksum: 51760 20d239c6aca202dc4a5bec07ba772219

IBM S/390 architecture:

http://security.debian.org/pool/updat...e/orville-write_2.53-4woody1_s390.deb
Size/MD5 checksum: 54224 cb98e4b5fff39313b865978647f74ee5

Sun Sparc architecture:

http://security.debian.org/pool/updat.../orville-write_2.53-4woody1_sparc.deb
Size/MD5 checksum: 60146 a5714352ef8e50bdbede1600afce7041


-- Debian GNU/Linux unstable alias sid --

Reportedly, this will be fixed soon.

Provided and/or discovered by:
Steve Kemp

Original Advisory:
http://www.debian.org/security/2003/dsa-326


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