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sandbox: Insecure temporary file handling

Content:

1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200507-22 / sandbox
Release Date July 25, 2005
Latest Revision August 11, 2005: 02
Impact low
Exploitable local
Package Vulnerable versions Unaffected versions Architecture(s)
sys-apps/sandbox < 1.2.11 >= 1.2.11 All supported architectures

Related bugreports: #96782

Synopsis

The sandbox utility may create temporary files in an insecure manner.

2.  Impact Information

Background

sandbox is a Gentoo Linux utility used by the Portage package management system.

Description

The Gentoo Linux Security Audit Team discovered that the sandbox utility was vulnerable to multiple TOCTOU (Time of Check, Time of Use) file creation race conditions.

Impact

Local users may be able to create or overwrite arbitrary files with the permissions of the root user.

3.  Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All sandbox users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-apps/sandbox-1.2.11"

4.  References



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Page updated July 25, 2005

Summary: This is a Gentoo Linux Security Advisory

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