Gentoo alert: Multiple vulnerabilities in sysstat

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Gentoo Linux Security Advisory                           GLSA 200404-04
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                                             http://security.gentoo.org
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  Severity: Normal
     Title: Multiple vulnerabilities in sysstat
      Date: April 06, 2004=20
      Bugs: #45159
        ID: 200404-04

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Synopsis

Multiple vulnerabilities in the way sysstat handles symlinks may allow
an attacker to execute arbitrary code or overwrite arbitrary files

Background

sysstat is a package containing a number of performance monitoring
utilities for Linux, including sar, mpstat, iostat and sa tools

Affected packages

    -------------------------------------------------------------------
     Package            /   Vulnerable   /                  Unaffected
    -------------------------------------------------------------------
     app-admin/sysstat        < 5.0.2                         >= 5.0.2

Description

There are two vulnerabilities in the way sysstat handles symlinks:

1. The isag utility, which displays sysstat data in a graphical
   format, creates a temporary file in an insecure manner.

2. Two scripts in the sysstat package, post and trigger, create
   temporary files in an insecure manner.

Impact

Both vulnerabilities may allow an attacker to overwrite arbitrary files
under the permissions of the user executing any of the affected=20
utilities.

Workaround

A workaround is not currently known for this issue. All users are
advised to upgrade to the latest version of the affected package.

Resolution

Systat users should upgrade to version 4.2 or later:

    # emerge sync

    # emerge -pv ">=app-admin/sysstat-5.0.2"
    # emerge ">=app-admin/sysstat-5.0.2"

References

  [ 1 ] http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0107
  [ 2 ] http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0108

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users machines is of utmost
importance to us. Any security concerns should be addressed to
[e-mail:security@gentoo.org] or alternatively, you may file a bug at
http://bugs.gentoo.org.

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