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[ GLSA 200405-18 ] Buffer Overflow in Firebird
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GLSA
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Joined: 13 Jun 2003
Posts: 4078
Location: Barcelona, Spain

PostPosted: Sun May 23, 2004 12:17 pm    Post subject: [ GLSA 200405-18 ] Buffer Overflow in Firebird Reply with quote

Gentoo Linux Security Advisory

Title: Buffer Overflow in Firebird (GLSA 200405-18)
Severity: high
Exploitable: local
Date: May 23, 2004
Updated: May 22, 2006
Bug(s): #20837
ID: 200405-18

Synopsis

A buffer overflow via environmental variables in Firebird may allow a local user to manipulate or destroy local databases and trojan the Firebird binaries.

Background

Firebird is an open source relational database that runs on Linux, Windows, and various UNIX systems.

Affected Packages

Package: dev-db/firebird
Vulnerable: < 1.5
Unaffected: >= 1.5
Architectures: All supported architectures


Description

A buffer overflow exists in three Firebird binaries (gds_inet_server, gds_lock_mgr, and gds_drop) that is exploitable by setting a large value to the INTERBASE environment variable.

Impact

An attacker could control program execution, allowing privilege escalation to the UID of Firebird, full access to Firebird databases, and trojaning the Firebird binaries. An attacker could use this to compromise other user or root accounts.

Workaround

There is no known workaround.

Resolution

All users should upgrade to the latest version of Firebird:
Code:
# emerge sync
# emerge -pv ">=dev-db/firebird-1.5"
# emerge ">=dev-db/firebird-1.5"


References

Bugtraq Security Announcement
[url= http://sourceforge.net/tracker/?group_id=9028&atid=109028&func=detail&aid=739480]Sourceforge BugTracker Announcement[/url]
CVE-2003-0281


Last edited by GLSA on Tue May 23, 2006 4:16 am; edited 2 times in total
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