Description
Buffer overflow in lbreakout2 allows local users to gain 'games' group privileges via a large HOME environment variable to (1) editor.c, (2) theme.c, (3) manager.c, (4) config.c, (5) game.c, (6) levels.c, or (7) main.c.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 12 | lbreakout2 | 2.4 | — |
| Debian 3.0 | lbreakout2 | 2.2.2-1woody1 | DSA-445 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- LGames LBreakout2 2.2.2 - Multiple Environment Variable Buffer Overflow Vulnerabilities EDB-23738 · local · Feb 21, 2004 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 1
- DSA-445 lbreakout2 - buffer overflow Debian Security (DSA / DLA) · Mar 9, 2026
References
- DSA-445 vendor-advisory
- breakout2-home-bo(15229) vdb-entry
- 20040222 lbreakout2 < 2.4beta-2 local exploit mailing-list
- http://security.debian.org/pool/updates/main/l/lbreakout2/lbreakout2_2.2.2-1woody1.diff.gz
- 9712 vdb-entry