IM impwagent creates an insecure /tmp directory

im-impwagent-insecure-directory (10766) The risk level is classified as MediumMedium Risk

Description:

The impwagent program in the IM package creates a temporary directory in /tmp with insecure permissions. This could allow a local attacker to gain control of this directory and create, delete, or modify sensitive files within the directory.


Consequences:

File Manipulation

Remedy:

For Debian GNU/Linux:
Upgrade to the latest IM package, as listed below. Refer to DSA-202-2 for more information. See References.

Debian 2.2 (potato): 133-2.3 or later
Debian 3.0 (woody): 141-18.2 or later

For Red Hat Linux:
Upgrade to the latest im package, as listed below. Refer to RHSA-2003:039-09 for more information. See References.

Red Hat 7.0, 7.1 for iSeries and pSeries: 143-0.7x.560 or later
Red Hat 7.2: 143-1 or later
Red Hat 7.3 (mew): 2.2-5.7x or later
Red Hat 8.0 (mew): 2.2-6 or later

For other distributions:
Contact your vendor for upgrade or patch information.

References:

  • IM Web site: IM (Internet Message) Official Site.
  • BID-6307: Internet Message Insecure Temporary File Creation Vulnerability
  • CVE-2002-1395: Internet Message (IM) 141-18 and earlier uses predictable file and directory names, which allows local users to (1) obtain unauthorized directory permissions via a temporary directory used by impwagent, and (2) overwrite and create arbitrary files via immknmz.
  • DSA-202: im -- insecure temporary files
  • RHSA-2003-038: im security update
  • RHSA-2003-039: Updated im packages fix insecure handling of temporary files

Platforms Affected:

  • Debian Debian Linux 2.2
  • Debian Debian Linux 2.3
  • Debian Debian Linux 3.0
  • IM Developing Team IM
  • RedHat Enterprise Linux 2.1 WS
  • RedHat Enterprise Linux 2.1 AS
  • RedHat Enterprise Linux 2.1 ES
  • RedHat Linux 7
  • RedHat Linux 7.1
  • RedHat Linux 7.1 for iSeries
  • RedHat Linux 7.1 for pSeries
  • RedHat Linux 7.1 for zSeries
  • RedHat Linux 7.2
  • RedHat Linux 7.3
  • RedHat Linux 8.0
  • RedHat Linux Advanced Workstation 2.1 Itanium

Reported:

Dec 03, 2002

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