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Home » Security Advisories» Debian » New lbreakout2 packages fix buffer overflow

New lbreakout2 packages fix buffer overflow

During an audit, Ulf Harnhammar discovered a vulnerability in lbreakout2, a game, where proper bounds checking was not performed on environment variables. This bug could be exploited by a local attacker to gain the privileges of group "games".

  • Vendor: Debian
  • Vendor ID: DSA 445-1
  • Date: February 21, 2004


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Debian Security Advisory DSA 445-1 [email protected]
http://www.debian.org/security/ Matt Zimmerman
February 21st, 2004 http://www.debian.org/security/faq
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Package : lbreakout2
Vulnerability : buffer overflow
Problem-Type : local
Debian-specific: no
CVE Ids : CAN-2004-0158

During an audit, Ulf Harnhammar discovered a vulnerability in
lbreakout2, a game, where proper bounds checking was not performed on
environment variables. This bug could be exploited by a local
attacker to gain the privileges of group "games".

For the current stable distribution (woody) this problem has been
fixed in version 2.2.2-1woody1.

For the unstable distribution (sid), this problem will be fixed soon.

We recommend that you update your lbreakout2 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 GNU/Linux 3.0 alias woody
- --------------------------------

Source archives:

http://security.debian.org/pool/updates/main/l/lbreakout2/lbreakout2_2.2.2-1woody1.dsc
Size/MD5 checksum: 638 c2e605263d4d0ca08218e667d1299efa
http://security.debian.org/pool/updates/main/l/lbreakout2/lbreakout2_2.2.2-1woody1.diff.gz
Size/MD5 checksum: 5688 692094c7a0705bfd5f5595a6ce750977
http://security.debian.org/pool/updates/main/l/lbreakout2/lbreakout2_2.2.2.orig.tar.gz
Size/MD5 checksum: 1215427 d5f0ef9371d7165723aa35a3e325a3ba

Alpha architecture:

http://security.debian.org/pool/updates/main/l/lbreakout2/lbreakout2_2.2.2-1woody1_alpha.deb
Size/MD5 checksum: 1157816 7ef7a54e5b3803ca672b57731cb95f9a

ARM architecture:

http://security.debian.org/pool/updates/main/l/lbreakout2/lbreakout2_2.2.2-1woody1_arm.deb
Size/MD5 checksum: 1126502 28bb2c780e0907c9d7f9862f459002f8

Intel IA-32 architecture:

http://security.debian.org/pool/updates/main/l/lbreakout2/lbreakout2_2.2.2-1woody1_i386.deb
Size/MD5 checksum: 1112732 80fb5d46320ff2b8fae374a61b8ae5ba

Intel IA-64 architecture:

http://security.debian.org/pool/updates/main/l/lbreakout2/lbreakout2_2.2.2-1woody1_ia64.deb
Size/MD5 checksum: 1182786 a899fab79519604d591c4a330783db64

HP Precision architecture:

http://security.debian.org/pool/updates/main/l/lbreakout2/lbreakout2_2.2.2-1woody1_hppa.deb
Size/MD5 checksum: 1136182 fa206bfef247e4a2feb48234f160bf49

Motorola 680x0 architecture:

http://security.debian.org/pool/updates/main/l/lbreakout2/lbreakout2_2.2.2-1woody1_m68k.deb
Size/MD5 checksum: 1110628 9bf1761c57b1fe866e32837cbcf99e71

Big endian MIPS architecture:

http://security.debian.org/pool/updates/main/l/lbreakout2/lbreakout2_2.2.2-1woody1_mips.deb
Size/MD5 checksum: 1142782 d9d2dd4237685a9eec94e7c310e172db

PowerPC architecture:

http://security.debian.org/pool/updates/main/l/lbreakout2/lbreakout2_2.2.2-1woody1_powerpc.deb
Size/MD5 checksum: 1129844 f7bd1188ba6485798eb22e195ee938dd

IBM S/390 architecture:

http://security.debian.org/pool/updates/main/l/lbreakout2/lbreakout2_2.2.2-1woody1_s390.deb
Size/MD5 checksum: 1121760 5c49bbbfd9f582151bf3cb8b8a2e213a

Sun Sparc architecture:

http://security.debian.org/pool/updates/main/l/lbreakout2/lbreakout2_2.2.2-1woody1_sparc.deb
Size/MD5 checksum: 1124704 95231dbcc444a3f2e65603029e1f5e2c

These files will probably be moved into the stable distribution on
its next revision.

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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: [email protected]
Package info: `apt-cache show ' and http://packages.debian.org/
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