squirrelmail - incomplete fix

Several remote vulnerabilities have been discovered in SquirrelMail,
a webmail application. The Common Vulnerabilities and Exposures project
identifies the following problems:

• CVE-2009-1578
  Cross site scripting was possible through a number of pages which
  allowed an attacker to steal sensitive session data.
• CVE-2009-1579,
  CVE-2009-1381
  Code injection was possible when SquirrelMail was configured to
  use the map_yp_alias function to authenticate users. This is not
  the default.
• CVE-2009-1580
  It was possible to hijack an active user session by planting a
  specially crafted cookie into the user’s browser.
• CVE-2009-1581
  Specially crafted HTML emails could use the CSS positioning feature
  to place email content over the SquirrelMail user interface, allowing
  for phishing.

For the old stable distribution (etch), these problems have been fixed in
version 1.4.9a-5.

For the stable distribution (lenny), these problems have been fixed in
version 1.4.15-4+lenny2.

For the unstable distribution (sid), these problems have been fixed in
version 1.4.19-1.

We recommend that you upgrade your squirrelmail package.