Red Hat Network Satellite Server NULL security bypass

network-satellite-null-sec-bypass (74498) The risk level is classified as MediumMedium Risk

Description:

Red Hat Network Satellite Server could allow a remote attacker to bypass security restrictions, caused by improper checking within the spacewalk-backend when handling a NULL organization. By uploading arbitrary packages, a remote attacker could exploit this vulnerability to consume disk space in the partition (/var/) and prevent the downloading of updates.

*CVSS:

Base Score: 5
  Access Vector: Network
  Access Complexity: Low
  Authentication: None
  Confidentiality Impact: None
  Integrity Impact: None
  Availability Impact: Partial
 
Temporal Score: 3.7
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Bypass Security

Remedy:

Apply the appropriate update for your system. See References.

References:

  • RHSA-2012:0436-1: Moderate: Red Hat Network Satellite spacewalk-backend security update.
  • BID-52832: Red Hat Network Satellite Server NULL Organization Package Upload Security Bypass Vulnerability
  • CVE-2012-1145: spacewalk-backend in Red Hat Network Satellite 5.4 on Red Hat Enterprise Linux 6 does not properly authorize or authenticate uploads to the NULL organization when mod_wsgi is used, which allows remote attackers to cause a denial of service (/var partition disk consumption and failed updates) via a large number of package uploads.
  • OSVDB ID: 81481: Red Hat Network Satellite NULL Organization Disk Space Consumption Update Prevention Weakness
  • RHSA-2012-0436: Moderate: Red Hat Network Satellite spacewalk-backend security update
  • SA48664: Red Hat Network Satellite NULL Organization Package Upload Security Bypass Vulnerability

Platforms Affected:

  • RedHat Enterprise Linux 5
  • RedHat Network Satellite Server 5.4

Reported:

Mar 29, 2012

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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