Ubuntu: 1182-1 Moderate: Samba Cross-Site Scripting Threats

ubuntu

August 2, 2011

An attacker could use a malicious URL to reconfigure Samba or steal information.

Summary

An attacker could use a malicious URL to reconfigure Samba or steal

information.

Software Description:

- samba: SMB/CIFS file, print, and login server for Unix

Details:

Yoshihiro Ishikawa discovered that the Samba Web Administration Tool (SWAT)

was vulnerable to cross-site request forgeries (CSRF). If a Samba

administrator were tricked into clicking a link on a specially crafted web

page, an attacker could trigger commands that could modify the Samba

configuration. (CVE-2011-2522)

Nobuhiro Tsuji discovered that the Samba Web Administration Tool (SWAT) did

not properly sanitize its input when processing password change requests,

resulting in cross-site scripting (XSS) vulnerabilities. With cross-site

scripting vulnerabilities, if a user were tricked into viewing server

output during a crafted server request, a remote attacker could exploit

this to modify the contents, or steal confidential data, within the same

domain. (CVE-2011-2694)

Topics Covered

security advisory moderate cross-site scripting samba Ubuntu information theft configuration flaw

Update Instructions

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

Ubuntu 11.04:
  swat                            2:3.5.8~dfsg-1ubuntu2.3

Ubuntu 10.10:
  swat                            2:3.5.4~dfsg-1ubuntu8.5

Ubuntu 10.04 LTS:
  swat                            2:3.4.7~dfsg-1ubuntu3.7

Ubuntu 8.04 LTS:
  swat                            3.0.28a-1ubuntu4.15

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