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GIMPS, SETI@home, ChessBrain: Insecure installation

Content:

1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200411-26 / GIMPS,SETI@home,ChessBrain
Release Date November 17, 2004
Latest Revision May 22, 2006: 03
Impact high
Exploitable local
Package Vulnerable versions Unaffected versions Architecture(s)
sci-misc/gimps <= 23.9 >= 23.9-r1 All supported architectures
sci-misc/setiathome <= 3.08-r3 >= 3.08-r4, revision >= 3.03-r2 All supported architectures
sci-misc/chessbrain <= 20407 >= 20407-r1 All supported architectures

Related bugreports: #69868

Synopsis

Improper file ownership allows user-owned files to be run with root privileges by init scripts.

2.  Impact Information

Background

GIMPS is a client for the distributed Great Internet Mersenne Prime Search. SETI@home is the client for the Search for Extraterrestrial Intelligence (SETI) project. ChessBrain is the client for the distributed chess supercomputer.

Description

GIMPS, SETI@home and ChessBrain ebuilds install user-owned binaries and init scripts which are executed with root privileges.

Impact

This could lead to a local privilege escalation or root compromise.

3.  Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All GIMPS users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=sci-misc/gimps-23.9-r1"

All SETI@home users should upgrade to the latest version:

Code Listing 3.2: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=sci-misc/setiathome-3.03-r2"

All ChessBrain users should upgrade to the latest version:

Code Listing 3.3: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=sci-misc/chessbrain-20407-r1"

4.  References



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Page updated November 17, 2004

Summary: This is a Gentoo Linux Security Advisory

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