U programskom paketu FreeType otkriven je sigurnosni propust kojeg mogu iskoristiti udaljeni napadači kako bi izveli DoS napad i pokrenuli proizvoljni programski kod.
Paket: | FreeType 2.x |
Operacijski sustavi: | Red Hat Enterprise Linux 6 |
Kritičnost: | 7.7 |
Problem: | korupcija memorije, neodgovarajuća provjera ulaznih podataka |
Iskorištavanje: | udaljeno |
Posljedica: | proizvoljno izvršavanje programskog koda, uskraćivanje usluga (DoS) |
Rješenje: | programska zakrpa proizvođača |
CVE: | CVE-2011-0226 |
Izvorni ID preporuke: | RHSA-2011:1085-01 |
Izvor: | Red Hat |
Problem: | |
Nedostatak se očituje kao korupcija memorije pri obradi određenih PostScript Type 1 fontova. |
|
Posljedica: | |
Navođenjem korisnika na otvaranje posebno oblikovane datoteke moguće je izvođenje DoS napada i udaljeno pokretanje proizvoljnog programskog koda. |
|
Rješenje: | |
Preporuča se korištenje nadogradnje. |
Izvorni tekst preporuke
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=====================================================================
Red Hat Security Advisory
Synopsis: Important: freetype security update
Advisory ID: RHSA-2011:1085-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2011-1085.html
Issue date: 2011-07-21
CVE Names: CVE-2011-0226
=====================================================================
1. Summary:
Updated freetype packages that fix one security issue are now available for
Red Hat Enterprise Linux 6.
The Red Hat Security Response Team has rated this update as having
important security impact. A Common Vulnerability Scoring System (CVSS)
base score, which gives a detailed severity rating, is available from the
CVE link in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64
Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64
Red Hat Enterprise Linux HPC Node (v. 6) - x86_64
Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, x86_64
3. Description:
FreeType is a free, high-quality, portable font engine that can open and
manage font files. It also loads, hints, and renders individual glyphs
efficiently. These packages provide the FreeType 2 font engine.
A flaw was found in the way the FreeType font rendering engine processed
certain PostScript Type 1 fonts. If a user loaded a specially-crafted font
file with an application linked against FreeType, it could cause the
application to crash or, possibly, execute arbitrary code with the
privileges of the user running the application. (CVE-2011-0226)
Users are advised to upgrade to these updated packages, which contain a
backported patch to correct this issue. The X server must be restarted (log
out, then log back in) for this update to take effect.
4. Solution:
Before applying this update, make sure all previously-released errata
relevant to your system have been applied.
This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/kb/docs/DOC-11259
5. Bugs fixed (http://bugzilla.redhat.com/):
722701 - CVE-2011-0226 freetype: postscript type1 font parsing vulnerability
6. Package List:
Red Hat Enterprise Linux Desktop (v. 6):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/freetype-2.3.11-6.el6_1.6.src.rpm
i386:
freetype-2.3.11-6.el6_1.6.i686.rpm
freetype-debuginfo-2.3.11-6.el6_1.6.i686.rpm
x86_64:
freetype-2.3.11-6.el6_1.6.i686.rpm
freetype-2.3.11-6.el6_1.6.x86_64.rpm
freetype-debuginfo-2.3.11-6.el6_1.6.i686.rpm
freetype-debuginfo-2.3.11-6.el6_1.6.x86_64.rpm
Red Hat Enterprise Linux Desktop Optional (v. 6):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/freetype-2.3.11-6.el6_1.6.src.rpm
i386:
freetype-debuginfo-2.3.11-6.el6_1.6.i686.rpm
freetype-demos-2.3.11-6.el6_1.6.i686.rpm
freetype-devel-2.3.11-6.el6_1.6.i686.rpm
x86_64:
freetype-debuginfo-2.3.11-6.el6_1.6.i686.rpm
freetype-debuginfo-2.3.11-6.el6_1.6.x86_64.rpm
freetype-demos-2.3.11-6.el6_1.6.x86_64.rpm
freetype-devel-2.3.11-6.el6_1.6.i686.rpm
freetype-devel-2.3.11-6.el6_1.6.x86_64.rpm
Red Hat Enterprise Linux HPC Node (v. 6):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/freetype-2.3.11-6.el6_1.6.src.rpm
x86_64:
freetype-2.3.11-6.el6_1.6.i686.rpm
freetype-2.3.11-6.el6_1.6.x86_64.rpm
freetype-debuginfo-2.3.11-6.el6_1.6.i686.rpm
freetype-debuginfo-2.3.11-6.el6_1.6.x86_64.rpm
Red Hat Enterprise Linux HPC Node Optional (v. 6):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/freetype-2.3.11-6.el6_1.6.src.rpm
x86_64:
freetype-debuginfo-2.3.11-6.el6_1.6.i686.rpm
freetype-debuginfo-2.3.11-6.el6_1.6.x86_64.rpm
freetype-demos-2.3.11-6.el6_1.6.x86_64.rpm
freetype-devel-2.3.11-6.el6_1.6.i686.rpm
freetype-devel-2.3.11-6.el6_1.6.x86_64.rpm
Red Hat Enterprise Linux Server (v. 6):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/freetype-2.3.11-6.el6_1.6.src.rpm
i386:
freetype-2.3.11-6.el6_1.6.i686.rpm
freetype-debuginfo-2.3.11-6.el6_1.6.i686.rpm
freetype-devel-2.3.11-6.el6_1.6.i686.rpm
ppc64:
freetype-2.3.11-6.el6_1.6.ppc.rpm
freetype-2.3.11-6.el6_1.6.ppc64.rpm
freetype-debuginfo-2.3.11-6.el6_1.6.ppc.rpm
freetype-debuginfo-2.3.11-6.el6_1.6.ppc64.rpm
freetype-devel-2.3.11-6.el6_1.6.ppc.rpm
freetype-devel-2.3.11-6.el6_1.6.ppc64.rpm
s390x:
freetype-2.3.11-6.el6_1.6.s390.rpm
freetype-2.3.11-6.el6_1.6.s390x.rpm
freetype-debuginfo-2.3.11-6.el6_1.6.s390.rpm
freetype-debuginfo-2.3.11-6.el6_1.6.s390x.rpm
freetype-devel-2.3.11-6.el6_1.6.s390.rpm
freetype-devel-2.3.11-6.el6_1.6.s390x.rpm
x86_64:
freetype-2.3.11-6.el6_1.6.i686.rpm
freetype-2.3.11-6.el6_1.6.x86_64.rpm
freetype-debuginfo-2.3.11-6.el6_1.6.i686.rpm
freetype-debuginfo-2.3.11-6.el6_1.6.x86_64.rpm
freetype-devel-2.3.11-6.el6_1.6.i686.rpm
freetype-devel-2.3.11-6.el6_1.6.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 6):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/freetype-2.3.11-6.el6_1.6.src.rpm
i386:
freetype-debuginfo-2.3.11-6.el6_1.6.i686.rpm
freetype-demos-2.3.11-6.el6_1.6.i686.rpm
ppc64:
freetype-debuginfo-2.3.11-6.el6_1.6.ppc64.rpm
freetype-demos-2.3.11-6.el6_1.6.ppc64.rpm
s390x:
freetype-debuginfo-2.3.11-6.el6_1.6.s390x.rpm
freetype-demos-2.3.11-6.el6_1.6.s390x.rpm
x86_64:
freetype-debuginfo-2.3.11-6.el6_1.6.x86_64.rpm
freetype-demos-2.3.11-6.el6_1.6.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 6):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/freetype-2.3.11-6.el6_1.6.src.rpm
i386:
freetype-2.3.11-6.el6_1.6.i686.rpm
freetype-debuginfo-2.3.11-6.el6_1.6.i686.rpm
freetype-devel-2.3.11-6.el6_1.6.i686.rpm
x86_64:
freetype-2.3.11-6.el6_1.6.i686.rpm
freetype-2.3.11-6.el6_1.6.x86_64.rpm
freetype-debuginfo-2.3.11-6.el6_1.6.i686.rpm
freetype-debuginfo-2.3.11-6.el6_1.6.x86_64.rpm
freetype-devel-2.3.11-6.el6_1.6.i686.rpm
freetype-devel-2.3.11-6.el6_1.6.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 6):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/freetype-2.3.11-6.el6_1.6.src.rpm
i386:
freetype-debuginfo-2.3.11-6.el6_1.6.i686.rpm
freetype-demos-2.3.11-6.el6_1.6.i686.rpm
x86_64:
freetype-debuginfo-2.3.11-6.el6_1.6.x86_64.rpm
freetype-demos-2.3.11-6.el6_1.6.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/#package
7. References:
https://www.redhat.com/security/data/cve/CVE-2011-0226.html
https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2011 Red Hat, Inc.
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