[USN-4609-1] GOsa vulnerabilities

[Avital Ostromich]

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Ubuntu Security Notice USN-4609-1
October 28, 2020

gosa vulnerabilities
==========================================================================

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

- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in gosa.

Software Description:
- gosa: Web Based LDAP Administration Program

Details:

Fabian Henneke discovered that GOsa incorrectly handled client cookies. An
authenticated user could exploit this with a crafted cookie to perform
file deletions in the context of the user account that runs the web
server. (CVE-2019-14466)

It was discovered that GOsa incorrectly handled user access control. A
remote attacker could use this issue to log into any account with a
username containing the word "success". (CVE-2019-11187)

Fabian Henneke discovered that GOsa was vulnerable to cross-site scripting
attacks via the change password form. A remote attacker could use this
flaw to run arbitrary web scripts. (CVE-2018-1000528)

Update instructions:

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

Ubuntu 16.04 LTS:
  gosa                            2.7.4+reloaded2-9ubuntu1.1

In general, a standard system update will make all the necessary changes.

References:
  https://usn.ubuntu.com/4609-1
  CVE-2018-1000528, CVE-2019-11187, CVE-2019-14466

Package Information:
  https://launchpad.net/ubuntu/+source/gosa/2.7.4+reloaded2-9ubuntu1.1


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