Ispravljeni propusti paketa LibTIFF

Otklonjena su dva sigurnosna propusta otkrivena u radu programskog paketa LibTIFF. Udaljenom napadaču omogućuju neovlašteni pristup ranjivom sustavu.

Paket:	LibTIFF 3.x
Operacijski sustavi:	SUSE Linux Enterprise Desktop 10, SUSE Linux Enterprise Desktop 11, SUSE Linux Enterprise Server (SLES) 10, SUSE Linux Enterprise Server (SLES) 11
Kritičnost:	4.4
Problem:	cjelobrojno prepisivanje
Iskorištavanje:	udaljeno
Posljedica:	neovlašteni pristup sustavu
Rješenje:	programska zakrpa proizvođača
CVE:	CVE-2012-2088, CVE-2012-2113
Izvorni ID preporuke:	SUSE-SU-2012:0894-1
Izvor:	SUSE

Problem:
Propusti su posljedica prepisivanja cjelobrojne varijable u "tiff2pdf" uslužnom programu te pogreške u funkciji "TIFFReadDirectory()".
Posljedica:
Napadači ih mogu iskoristiti za pristup sustavu putem posebno oblikovane TIFF slikovne datoteke.
Rješenje:
Korisnicima se savjetuje instalacija nadogradnje.

Izvorni tekst preporuke

   SUSE Security Update: Security update for libtiff
______________________________________________________________________________

Announcement ID:    SUSE-SU-2012:0894-1
Rating:             important
References:         #767852 #767854 
Cross-References:   CVE-2012-2088 CVE-2012-2113
Affected Products:
                    SUSE Linux Enterprise Software Development Kit 11 SP2
                    SUSE Linux Enterprise Software Development Kit 11 SP1
                    SUSE Linux Enterprise Server 11 SP2
                    SUSE Linux Enterprise Server 11 SP1 for VMware
                    SUSE Linux Enterprise Server 11 SP1
                    SUSE Linux Enterprise Server 10 SP4
                    SUSE Linux Enterprise Desktop 11 SP2
                    SUSE Linux Enterprise Desktop 11 SP1
                    SUSE Linux Enterprise Desktop 10 SP4
                    SLE SDK 10 SP4
______________________________________________________________________________

   An update that fixes two vulnerabilities is now available.

Description:


   The following issue has been fixed:

   * Specially crafted tiff files could have caused
   overflows in libtiff (CVE-2012-2088, CVE-2012-2113).

   Security Issue references:

   * CVE-2012-2088
   <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2088
   >
   * CVE-2012-2113
   <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2113
   >


Patch Instructions:

   To install this SUSE Security Update use YaST online_update.
   Alternatively you can run the command listed for your product:

   - SUSE Linux Enterprise Software Development Kit 11 SP2:

      zypper in -t patch sdksp1-libtiff-devel-6475

   - SUSE Linux Enterprise Software Development Kit 11 SP1:

      zypper in -t patch sdksp1-libtiff-devel-6475

   - SUSE Linux Enterprise Server 11 SP2:

      zypper in -t patch slessp1-libtiff-devel-6475

   - SUSE Linux Enterprise Server 11 SP1 for VMware:

      zypper in -t patch slessp1-libtiff-devel-6475

   - SUSE Linux Enterprise Server 11 SP1:

      zypper in -t patch slessp1-libtiff-devel-6475

   - SUSE Linux Enterprise Desktop 11 SP2:

      zypper in -t patch sledsp1-libtiff-devel-6475

   - SUSE Linux Enterprise Desktop 11 SP1:

      zypper in -t patch sledsp1-libtiff-devel-6475

   To bring your system up-to-date, use "zypper patch".


Package List:

   - SUSE Linux Enterprise Software Development Kit 11 SP2 (i586 ia64 ppc64
s390x x86_64):

      libtiff-devel-3.8.2-141.146.1

   - SUSE Linux Enterprise Software Development Kit 11 SP2 (ppc64 s390x
x86_64):

      libtiff-devel-32bit-3.8.2-141.146.1

   - SUSE Linux Enterprise Software Development Kit 11 SP1 (i586 ia64 ppc64
s390x x86_64):

      libtiff-devel-3.8.2-141.146.1

   - SUSE Linux Enterprise Software Development Kit 11 SP1 (ppc64 s390x
x86_64):

      libtiff-devel-32bit-3.8.2-141.146.1

   - SUSE Linux Enterprise Server 11 SP2 (i586 ia64 ppc64 s390x x86_64):

      libtiff3-3.8.2-141.146.1
      tiff-3.8.2-141.146.1

   - SUSE Linux Enterprise Server 11 SP2 (ppc64 s390x x86_64):

      libtiff3-32bit-3.8.2-141.146.1

   - SUSE Linux Enterprise Server 11 SP2 (ia64):

      libtiff3-x86-3.8.2-141.146.1

   - SUSE Linux Enterprise Server 11 SP1 for VMware (i586 x86_64):

      libtiff3-3.8.2-141.146.1
      tiff-3.8.2-141.146.1

   - SUSE Linux Enterprise Server 11 SP1 for VMware (x86_64):

      libtiff3-32bit-3.8.2-141.146.1

   - SUSE Linux Enterprise Server 11 SP1 (i586 ia64 ppc64 s390x x86_64):

      libtiff3-3.8.2-141.146.1
      tiff-3.8.2-141.146.1

   - SUSE Linux Enterprise Server 11 SP1 (ppc64 s390x x86_64):

      libtiff3-32bit-3.8.2-141.146.1

   - SUSE Linux Enterprise Server 11 SP1 (ia64):

      libtiff3-x86-3.8.2-141.146.1

   - SUSE Linux Enterprise Server 10 SP4 (i586 ia64 ppc s390x x86_64):

      libtiff-3.8.2-5.28.1
      libtiff-devel-3.8.2-5.28.1
      tiff-3.8.2-5.28.1

   - SUSE Linux Enterprise Server 10 SP4 (s390x x86_64):

      libtiff-32bit-3.8.2-5.28.1
      libtiff-devel-32bit-3.8.2-5.28.1

   - SUSE Linux Enterprise Server 10 SP4 (ia64):

      libtiff-x86-3.8.2-5.28.1

   - SUSE Linux Enterprise Server 10 SP4 (ppc):

      libtiff-64bit-3.8.2-5.28.1
      libtiff-devel-64bit-3.8.2-5.28.1

   - SUSE Linux Enterprise Desktop 11 SP2 (i586 x86_64):

      libtiff3-3.8.2-141.146.1

   - SUSE Linux Enterprise Desktop 11 SP2 (x86_64):

      libtiff3-32bit-3.8.2-141.146.1

   - SUSE Linux Enterprise Desktop 11 SP1 (i586 x86_64):

      libtiff3-3.8.2-141.146.1

   - SUSE Linux Enterprise Desktop 11 SP1 (x86_64):

      libtiff3-32bit-3.8.2-141.146.1

   - SUSE Linux Enterprise Desktop 10 SP4 (i586 x86_64):

      libtiff-3.8.2-5.28.1
      libtiff-devel-3.8.2-5.28.1
      tiff-3.8.2-5.28.1

   - SUSE Linux Enterprise Desktop 10 SP4 (x86_64):

      libtiff-32bit-3.8.2-5.28.1

   - SLE SDK 10 SP4 (i586 ia64 ppc s390x x86_64):

      libtiff-devel-3.8.2-5.28.1

   - SLE SDK 10 SP4 (s390x x86_64):

      libtiff-devel-32bit-3.8.2-5.28.1

   - SLE SDK 10 SP4 (ppc):

      libtiff-devel-64bit-3.8.2-5.28.1


References:

   http://support.novell.com/security/cve/CVE-2012-2088.html
   http://support.novell.com/security/cve/CVE-2012-2113.html
   https://bugzilla.novell.com/767852
   https://bugzilla.novell.com/767854
  
http://download.novell.com/patch/finder/?keywords=bb00258755d4c0881387cfdfcb958733
  
http://download.novell.com/patch/finder/?keywords=eb87a9a1df36e6f2c25af8a7fd0d5d74

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