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UNIRAS Brief - 592/05 - Mandriva - Fetchmail (MDKSA-2005:126) and mozilla-thunderbird (MDKSA-2005:127)



 
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   UNIRAS (UK Govt CERT) Briefing Notice - 592/05 dated 31.07.05  Time: 21:19
  UNIRAS is part of NISCC (National Infrastructure Security Co-ordination Centre)
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  UNIRAS material is also available from its website at www.uniras.gov.uk and
         Information about NISCC is available from www.niscc.gov.uk
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Title
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Mandriva Linux Security Advisories
Fetchmail and mozilla-thunderbird

Detail
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 _______________________________________________________________________

                Mandriva Linux Security Update Advisory
 _______________________________________________________________________

 Package name:           fetchmail
 Advisory ID:            MDKSA-2005:126
 Date:                   July 28th, 2005

 Affected versions:	 10.1, 10.2, Corporate 3.0,
			 Corporate Server 2.1
 ______________________________________________________________________

 Problem Description:

 A buffer overflow was discovered in fetchmail's POP3 client which
 could allow a malicious server to send a carefully crafted message
 UID, causing fetchmail to crash or potentially execute arbitrary
 code as the user running fetchmail.
 
 The updated packages have been patched to address this problem.
 _______________________________________________________________________

 References:

  http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2335
 ______________________________________________________________________

 Updated Packages:
  
 Mandrakelinux 10.1:
 563f08174b32d11c7d072a7c86672cd6  10.1/RPMS/fetchmail-6.2.5-5.1.101mdk.i586.rpm
 322f5e01a8ccf9611119bf56c81b3c34  10.1/RPMS/fetchmail-daemon-6.2.5-5.1.101mdk.i586.rpm
 b41cd62c89bd4e728107b8fadb3d10dd  10.1/RPMS/fetchmailconf-6.2.5-5.1.101mdk.i586.rpm
 9193b1c0ccf4d8dc1158a2707ff73628  10.1/SRPMS/fetchmail-6.2.5-5.1.101mdk.src.rpm

 Mandrakelinux 10.1/X86_64:
 e160ad934bb3007cf35c050006bd9bec  x86_64/10.1/RPMS/fetchmail-6.2.5-5.1.101mdk.x86_64.rpm
 193c90622e9279417f0d89e7368162d2  x86_64/10.1/RPMS/fetchmail-daemon-6.2.5-5.1.101mdk.x86_64.rpm
 8b29df74bc7cc01ad0e57052908d96fb  x86_64/10.1/RPMS/fetchmailconf-6.2.5-5.1.101mdk.x86_64.rpm
 9193b1c0ccf4d8dc1158a2707ff73628  x86_64/10.1/SRPMS/fetchmail-6.2.5-5.1.101mdk.src.rpm

 Mandrakelinux 10.2:
 f25ca14a570b18627309b1ec6d6118bb  10.2/RPMS/fetchmail-6.2.5-10.1.102mdk.i586.rpm
 afdcff56a05aebf22b7cd138166d4ca7  10.2/RPMS/fetchmail-daemon-6.2.5-10.1.102mdk.i586.rpm
 6d58bd3064e22875011b97cee9c2d809  10.2/RPMS/fetchmailconf-6.2.5-10.1.102mdk.i586.rpm
 7d6ab32632446ed61fc18591f1c2fd00  10.2/SRPMS/fetchmail-6.2.5-10.1.102mdk.src.rpm

 Mandrakelinux 10.2/X86_64:
 8f0f018bb2807d5285ae2ef05bb57107  x86_64/10.2/RPMS/fetchmail-6.2.5-10.1.102mdk.x86_64.rpm
 870f31b16001b83be84e51cc93a92200  x86_64/10.2/RPMS/fetchmail-daemon-6.2.5-10.1.102mdk.x86_64.rpm
 2f464f9c3409880ef9c457b9986ae712  x86_64/10.2/RPMS/fetchmailconf-6.2.5-10.1.102mdk.x86_64.rpm
 7d6ab32632446ed61fc18591f1c2fd00  x86_64/10.2/SRPMS/fetchmail-6.2.5-10.1.102mdk.src.rpm

 Corporate Server 2.1:
 96185810b7b4ad91d4986fd0d946a15d  corporate/2.1/RPMS/fetchmail-6.1.0-1.3.C21mdk.i586.rpm
 268fdaf86ca3f5f33b9c1ac0a00efc4a  corporate/2.1/RPMS/fetchmail-daemon-6.1.0-1.3.C21mdk.i586.rpm
 647d592ec242a09fa869da6f37660299  corporate/2.1/RPMS/fetchmailconf-6.1.0-1.3.C21mdk.i586.rpm
 8d3e996da39619613de0046e7c9cb459  corporate/2.1/SRPMS/fetchmail-6.1.0-1.3.C21mdk.src.rpm

 Corporate Server 2.1/X86_64:
 d19fab3b9b57c4f9c9e4fe6aebd6ea81  x86_64/corporate/2.1/RPMS/fetchmail-6.1.0-1.3.C21mdk.x86_64.rpm
 587dc00b22b6fd4e9b17f5bdb26457f6  x86_64/corporate/2.1/RPMS/fetchmail-daemon-6.1.0-1.3.C21mdk.x86_64.rpm
 1d44d1c54e69049966b222ada486e633  x86_64/corporate/2.1/RPMS/fetchmailconf-6.1.0-1.3.C21mdk.x86_64.rpm
 8d3e996da39619613de0046e7c9cb459  x86_64/corporate/2.1/SRPMS/fetchmail-6.1.0-1.3.C21mdk.src.rpm

 Corporate 3.0:
 9d67bcb3d6485a0ffb243f9ed23cda22  corporate/3.0/RPMS/fetchmail-6.2.5-3.1.C30mdk.i586.rpm
 f9283b89d96efbbb8f2ce98abe00c563  corporate/3.0/RPMS/fetchmail-daemon-6.2.5-3.1.C30mdk.i586.rpm
 4c170dbe398c93923d2a106dc6275c2e  corporate/3.0/RPMS/fetchmailconf-6.2.5-3.1.C30mdk.i586.rpm
 f7c51eab215fe7c2e46baf154c315d26  corporate/3.0/SRPMS/fetchmail-6.2.5-3.1.C30mdk.src.rpm

 Corporate 3.0/X86_64:
 6e40e50873f3ca1b49d948e1a3be052a  x86_64/corporate/3.0/RPMS/fetchmail-6.2.5-3.1.C30mdk.x86_64.rpm
 77d83cddcb9d2daf4b04a8ce09da90b7  x86_64/corporate/3.0/RPMS/fetchmail-daemon-6.2.5-3.1.C30mdk.x86_64.rpm
 a90e50cc1bbec81fbc8949ef5da5b87f  x86_64/corporate/3.0/RPMS/fetchmailconf-6.2.5-3.1.C30mdk.x86_64.rpm
 f7c51eab215fe7c2e46baf154c315d26  x86_64/corporate/3.0/SRPMS/fetchmail-6.2.5-3.1.C30mdk.src.rpm
 _______________________________________________________________________

 To upgrade automatically use MandrakeUpdate or urpmi.  The verification
 of md5 checksums and GPG signatures is performed automatically for you.

 All packages are signed by Mandriva for security.  You can obtain the
 GPG public key of the Mandriva Security Team by executing:

  gpg --recv-keys --keyserver pgp.mit.edu 0x22458A98

 You can view other update advisories for Mandriva Linux at:

  http://www.mandriva.com/security/advisories

 If you want to report vulnerabilities, please contact

  security_(at)_mandriva.com
 _______________________________________________________________________

 Type Bits/KeyID     Date       User ID
 pub  1024D/22458A98 2000-07-10 Mandriva Security Team
  <security*mandriva.com>

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 _______________________________________________________________________

                Mandriva Linux Security Update Advisory
 _______________________________________________________________________

 Package name:           mozilla-thunderbird
 Advisory ID:            MDKSA-2005:127
 Date:                   July 28th, 2005

 Affected versions:	 10.2
 ______________________________________________________________________

 Problem Description:

 A number of vulnerabilities were reported and fixed in Thunderbird 1.0.5
 and Mozilla 1.7.9.  The following vulnerabilities have been backported
 and patched for this update:
 
 The native implementations of InstallTrigger and other XPInstall-
 related javascript objects did not properly validate that they were
 called on instances of the correct type.  By passing other objects,
 even raw numbers, the javascript interpreter would jump to the wrong
 place in memory.  Although no proof of concept has been developed we
 believe this could be exploited (MFSA 2005-40).
 
 moz_bug_r_a4 reported several exploits giving an attacker the ability
 to install malicious code or steal data, requiring only that the user
 do commonplace actions like clicking on a link or open the context
 menu.  The common cause in each case was privileged UI code ("chrome")
 being overly trusting of DOM nodes from the content window.  Scripts in
 the web page can override properties and methods of DOM nodes and
 shadow the native values, unless steps are taken to get the true
 underlying values (MFSA 2005-41).
 
 Additional checks were added to make sure Javascript eval and Script
 objects are run with the privileges of the context that created them,
 not the potentially elevated privilege of the context calling them in
 order to protect against an additional variant of MFSA 2005-41
 (MFSA 2005-44).
 
 In several places the browser UI did not correctly distinguish between
 true user events, such as mouse clicks or keystrokes, and synthetic
 events genenerated by web content. The problems ranged from minor
 annoyances like switching tabs or entering full-screen mode, to a   
 variant on MFSA 2005-34 Synthetic events are now prevented from
 reaching the browser UI entirely rather than depend on each potentially
 spoofed function to protect itself from untrusted events
 (MFSA 2005-45).
 
 Scripts in XBL controls from web content continued to be run even when
 Javascript was disabled. By itself this causes no harm, but it could be
 combined with most script-based exploits to attack people running
 vulnerable versions who thought disabling javascript would protect
 them.  In the Thunderbird and Mozilla Suite mail clients Javascript is
 disabled by default for protection against denial-of-service attacks
 and worms; this vulnerability could be used to bypass that protection
 (MFSA 2005-46).
 
 When InstallVersion.compareTo() is passed an object rather than a
 string it assumed the object was another InstallVersion without
 verifying it. When passed a different kind of object the browser would
 generally crash with an access violation.  shutdown has demonstrated
 that different javascript objects can be passed on some OS versions to
 get control over the instruction pointer. We assume this could be
 developed further to run arbitrary machine code if the attacker can get
 exploit code loaded at a predictable address (MFSA 2005-50).
 
 A child frame can call top.focus() even if the framing page comes from
 a different origin and has overridden the focus() routine. The call is
 made in the context of the child frame. The attacker would look for a
 target site with a framed page that makes this call but doesn't verify
 that its parent comes from the same site. The attacker could steal
 cookies and passwords from the framed page, or take actions on behalf
 of a signed-in user. This attack would work only against sites that use
 frames in this manner (MFSA 2005-52).
 
 Parts of the browser UI relied too much on DOM node names without
 taking different namespaces into account and verifying that nodes
 really were of the expected type. An XHTML document could be used to
 create fake <IMG> elements, for example, with content-defined
 properties that the browser would access as if they were the trusted
 built-in properties of the expected HTML elements.  The severity of the
 vulnerability would depend on what the attacker could convince the
 victim to do, but could result in executing user-supplied script with
 elevated "chrome" privileges. This could be used to install malicious
 software on the victim's machine (MFSA 2005-55).
 
 Improper cloning of base objects allowed web content scripts to walk up
 the prototype chain to get to a privileged object.  This could be used
 to execute code with enhanced privileges (MFSA 2005-56).
 
 The updated packages have been patched to address these issue.
 _______________________________________________________________________

 References:

  http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2260
  http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2261
  http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2265
  http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2266
  http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2269
  http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2270
  http://www.mozilla.org/security/announce/mfsa2005-40.html
  http://www.mozilla.org/security/announce/mfsa2005-41.html
  http://www.mozilla.org/security/announce/mfsa2005-44.html
  http://www.mozilla.org/security/announce/mfsa2005-45.html
  http://www.mozilla.org/security/announce/mfsa2005-46.html
  http://www.mozilla.org/security/announce/mfsa2005-50.html
  http://www.mozilla.org/security/announce/mfsa2005-52.html
  http://www.mozilla.org/security/announce/mfsa2005-55.html
  http://www.mozilla.org/security/announce/mfsa2005-56.html
  http://secunia.com/advisories/15549/
 ______________________________________________________________________

 Updated Packages:
  
 Mandrakelinux 10.2:
 c5513d4936daccacf32a269955aab5e3  10.2/RPMS/mozilla-thunderbird-1.0.2-2.1.102mdk.i586.rpm
 47c31106dcd41d9ebc7cf75db8c7cd8b  10.2/RPMS/mozilla-thunderbird-devel-1.0.2-2.1.102mdk.i586.rpm
 348c4fef5cd18162ef7012176db573ee  10.2/RPMS/mozilla-thunderbird-enigmail-1.0.2-2.1.102mdk.i586.rpm
 ba650af5452d16435b872b1bdb8e7c13  10.2/RPMS/mozilla-thunderbird-enigmime-1.0.2-2.1.102mdk.i586.rpm
 893d9c6ed194b8ec828aada5511e0404  10.2/SRPMS/mozilla-thunderbird-1.0.2-2.1.102mdk.src.rpm

 Mandrakelinux 10.2/X86_64:
 c2a98ab44b911f192d5d16ba3db2817e  x86_64/10.2/RPMS/mozilla-thunderbird-1.0.2-2.1.102mdk.x86_64.rpm
 621eb09e3cbaa82dea7a4f1ce7e7381a  x86_64/10.2/RPMS/mozilla-thunderbird-devel-1.0.2-2.1.102mdk.x86_64.rpm
 f206ad704f5167a45eeeb6f0bc0956e2  x86_64/10.2/RPMS/mozilla-thunderbird-enigmail-1.0.2-2.1.102mdk.x86_64.rpm
 ac1b7057ecb344292f9264131ecaa93c  x86_64/10.2/RPMS/mozilla-thunderbird-enigmime-1.0.2-2.1.102mdk.x86_64.rpm
 893d9c6ed194b8ec828aada5511e0404  x86_64/10.2/SRPMS/mozilla-thunderbird-1.0.2-2.1.102mdk.src.rpm
 _______________________________________________________________________

 To upgrade automatically use MandrakeUpdate or urpmi.  The verification
 of md5 checksums and GPG signatures is performed automatically for you.

 All packages are signed by Mandriva for security.  You can obtain the
 GPG public key of the Mandriva Security Team by executing:

  gpg --recv-keys --keyserver pgp.mit.edu 0x22458A98

 You can view other update advisories for Mandriva Linux at:

  http://www.mandriva.com/security/advisories

 If you want to report vulnerabilities, please contact

  security_(at)_mandriva.com
 _______________________________________________________________________

 Type Bits/KeyID     Date       User ID
 pub  1024D/22458A98 2000-07-10 Mandriva Security Team
  <security*mandriva.com>

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UNIRAS wishes to acknowledge the contributions of Mandriva for the information 
contained in this Briefing. 
- ----------------------------------------------------------------------------------
This Briefing contains the information released by the original author. Some 
of the information may have changed since it was released. If the vulnerability 
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<End of UNIRAS Briefing>




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