U programskom paketu FreeType uočene su dvije sigurnosne ranjivosti koje udaljeni napadači mogu iskoristiti za pokretanje proizvoljnog programskog koda i izvođenje DoS napada.
Paket:
FreeType 2.x
Operacijski sustavi:
SUSE Linux Enterprise Desktop 10, SUSE Linux Enterprise Server (SLES) 10
Kritičnost:
8.1
Problem:
cjelobrojno prepisivanje, neodgovarajuća provjera ulaznih podataka
Jedna od ranjivosti se očituje u datoteci src/cid/cidload.c prilikom obrade Type 1 font datoteka i CID-keyed fontova. Uzrok drugog propusta nije poznat.
Posljedica:
Podmetanjem posebno oblikovanog fonta, udaljeni napadač može izvesti DoS napad i pokretati proizvoljni programski kod.
Rješenje:
Svim korisnicima se preporuča korištenje službene programske zakrpe.
SUSE Security Update: Security update for freetype2
______________________________________________________________________________
Announcement ID: SUSE-SU-2011:1306-1
Rating: important
References: #711487 #730124
Cross-References: CVE-2011-3256 CVE-2011-3439
Affected Products:
SUSE Linux Enterprise Server 10 SP4
SUSE Linux Enterprise Desktop 10 SP4
______________________________________________________________________________
An update that fixes two vulnerabilities is now available.
Description:
This update of freetype2 fixes multiple security flaws that
could allow attackers to cause a denial of service or to
execute arbitrary code via specially crafted fonts
(CVE-2011-3256, CVE-2011-3439, CVE-2011-2895).
Security Issue references:
* CVE-2011-3256
<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-3256
>
* CVE-2011-3439
<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-3439
>
Indications:
Everyone should install this update.
Package List:
- SUSE Linux Enterprise Server 10 SP4 (i586 ia64 ppc s390x x86_64):
freetype2-2.1.10-18.27.5
freetype2-devel-2.1.10-18.27.5
- SUSE Linux Enterprise Server 10 SP4 (s390x x86_64):
freetype2-32bit-2.1.10-18.27.5
freetype2-devel-32bit-2.1.10-18.27.5
- SUSE Linux Enterprise Server 10 SP4 (ia64):
freetype2-x86-2.1.10-18.27.5
- SUSE Linux Enterprise Server 10 SP4 (ppc):
freetype2-64bit-2.1.10-18.27.5
freetype2-devel-64bit-2.1.10-18.27.5
- SUSE Linux Enterprise Desktop 10 SP4 (i586 x86_64):
freetype2-2.1.10-18.27.5
freetype2-devel-2.1.10-18.27.5
- SUSE Linux Enterprise Desktop 10 SP4 (x86_64):
freetype2-32bit-2.1.10-18.27.5
freetype2-devel-32bit-2.1.10-18.27.5
References:
http://support.novell.com/security/cve/CVE-2011-3256.html
http://support.novell.com/security/cve/CVE-2011-3439.html
https://bugzilla.novell.com/711487
https://bugzilla.novell.com/730124
http://download.novell.com/patch/finder/?keywords=7e775f10b0282368905503b130ebadf9
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