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Debian: Security update for Iceweasel

Several vulnerabilities have been found in Iceweasel, a web browser based on Firefox. Mariusz Mlynski discovered that websites could open a download dialog - which has “open” as the default action -, while a user presses the ENTER key. Benjamin Smedberg, Bob Clary and Jesse Ruderman discovered crashes in the rendering engine, which could lead to the execution of arbitrary code. Mark Kaplan discovered an integer underflow in the javascript engine, which could lead to the execution of arbitrary code.

Boris Zbarsky discovered that incorrect handling of the window.location object could lead to bypasses of the same-origin policy. Ian Graham discovered that multiple Location headers might lead to CRLF injection.

Updated packages are available from security.debian.org.

-----BEGIN PGP SIGNED MESSAGE-----
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- -------------------------------------------------------------------------
Debian Security Advisory DSA-2313-1                   security@debian.org
http://www.debian.org/security/                        Moritz Muehlenhoff
September 29, 2011                     http://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package        : iceweasel
Vulnerability  : several
Problem type   : remote
Debian-specific: no
CVE ID         : CVE-2011-2372 CVE-2011-2995 CVE-2011-2998 CVE-2011-2999 
                CVE-2011-3000 

Several vulnerabilities have been found in Iceweasel, a web browser
based on Firefox:

CVE-2011-2372

  Mariusz Mlynski discovered that websites could open a download
  dialog - which has "open" as the default action -, while a user
  presses the ENTER key.

CVE-2011-2995

  Benjamin Smedberg, Bob Clary and Jesse Ruderman discovered crashes
  in the rendering engine, which could lead to the execution of
  arbitrary code.

CVE-2011-2998

  Mark Kaplan discovered an integer underflow in the javascript
  engine, which could lead to the execution of arbitrary code.

CVE-2011-2999

  Boris Zbarsky discovered that incorrect handling of the
  window.location object could lead to bypasses of the same-origin
  policy.

CVE-2011-3000

  Ian Graham discovered that multiple Location headers might lead to
  CRLF injection.

For the oldstable distribution (lenny), this problem has been fixed in
version 1.9.0.19-14 of the xulrunner source package. This update also
marks the compromised DigiNotar root certs as revoked rather then
untrusted.

For the stable distribution (squeeze), this problem has been fixed
inversion 3.5.16-10. This update also marks the compromised DigiNotar
root certs as revoked rather then untrusted.

For the unstable distribution (sid), this problem has been fixed in
version 7.0-1.

We recommend that you upgrade your iceweasel packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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