FreeBSD VuXML: Documenting security issues in FreeBSD and the FreeBSD Ports Collection

lbreakout2 vulnerability in environment variable handling

Affected packages
		lbreakout2	<=	2.2.2_1

Details

VuXML ID	ad4f6ca4-6720-11d8-9fb5-000a95bc6fae
Discovery	2004-02-21
Entry	2004-02-25

Ulf Härnhammar discovered an exploitable vulnerability in lbreakout2's environmental variable handling. In several instances, the contents of the HOME environmental variable are copied to a stack or global buffer without range checking. A local attacker may use this vulnerability to acquire group-ID `games' privileges.

An exploit for this vulnerability has been published by ``Li0n7 voila fr''.

References

CVE Name	CVE-2004-0158
Message	http://www.securityfocus.com/archive/1/354760
URL	http://www.debian.org/security/2004/dsa-445