USN-848-1: Zope vulnerabilities

14 October 2009

zope3 vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 9.04
  • Ubuntu 8.10
  • Ubuntu 8.04 LTS
  • Ubuntu 6.06 LTS

Software Description

  • zope3

Details

It was discovered that the Zope Object Database (ZODB) database server (ZEO) improperly filtered certain commands when a database is shared among multiple applications or application instances. A remote attacker could send malicious commands to the server and execute arbitrary code. (CVE-2009-0668)

It was discovered that the Zope Object Database (ZODB) database server (ZEO) did not handle authentication properly when a database is shared among multiple applications or application instances. A remote attacker could use this flaw to bypass security restrictions. (CVE-2009-0669)

It was discovered that Zope did not limit the number of new object ids a client could request. A remote attacker could use this flaw to consume a huge amount of resources, leading to a denial of service. (No CVE identifier)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 9.04
zope3 - 3.4.0-0ubuntu3.3
Ubuntu 8.10
zope3 - 3.3.1-7ubuntu0.2
Ubuntu 8.04 LTS
zope3 - 3.3.1-5ubuntu2.2
Ubuntu 6.06 LTS
zope3 - 3.2.1-1ubuntu1.2

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

In general, a standard system upgrade is sufficient to effect the necessary changes.

References