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Sicherheit: Pufferüberlauf in pcsc-lite
Aktuelle Meldungen Distributionen
Name: Pufferüberlauf in pcsc-lite
ID: RHSA-2013:0525-02
Distribution: Red Hat
Plattformen: Red Hat Enterprise Linux
Datum: Do, 21. Februar 2013, 09:14
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-4531

Originalnachricht

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=====================================================================
Red Hat Security Advisory

Synopsis: Moderate: pcsc-lite security and bug fix update
Advisory ID: RHSA-2013:0525-02
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2013-0525.html
Issue date: 2013-02-21
CVE Names: CVE-2010-4531
=====================================================================

1. Summary:

Updated pcsc-lite packages that fix one security issue and three bugs are
now available for Red Hat Enterprise Linux 6.

The Red Hat Security Response Team has rated this update as having moderate
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 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:

PC/SC Lite provides a Windows SCard compatible interface for communicating
with smart cards, smart card readers, and other security tokens.

A stack-based buffer overflow flaw was found in the way pcsc-lite decoded
certain attribute values of Answer-to-Reset (ATR) messages. A local
attacker could use this flaw to execute arbitrary code with the privileges
of the user running the pcscd daemon (root, by default), by inserting a
specially-crafted smart card. (CVE-2010-4531)

This update also fixes the following bugs:

* Due to an error in the init script, the chkconfig utility did not
automatically place the pcscd init script after the start of the HAL
daemon. Consequently, the pcscd service did not start automatically at boot
time. With this update, the pcscd init script has been changed to
explicitly start only after HAL is up, thus fixing this bug. (BZ#788474,
BZ#814549)

* Because the chkconfig settings and the startup files in the /etc/rc.d/
directory were not changed during the update described in the
RHBA-2012:0990 advisory, the user had to update the chkconfig settings
manually to fix the problem. Now, the chkconfig settings and the startup
files in the /etc/rc.d/ directory are automatically updated as expected.
(BZ#834803)

* Previously, the SCardGetAttrib() function did not work properly and
always returned the "SCARD_E_INSUFFICIENT_BUFFER" error regardless of
the
actual buffer size. This update applies a patch to fix this bug and the
SCardGetAttrib() function now works as expected. (BZ#891852)

All users of pcsc-lite are advised to upgrade to these updated packages,
which fix these issues. After installing this update, the pcscd daemon will
be restarted automatically.

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/knowledge/articles/11258

5. Bugs fixed (http://bugzilla.redhat.com/):

664999 - CVE-2010-4531 pcsc-lite: Stack-based buffer overflow in
Answer-to-Reset (ATR) decoder
834803 - Update of pcsc-lite does not fix problems addressed in BUG 812469
891852 - pcsc-lite: incorrect check in SCardGetAttrib and SCardSetAttrib
handling

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:
pcsc-lite-1.5.2-11.el6.src.rpm

i386:
pcsc-lite-1.5.2-11.el6.i686.rpm
pcsc-lite-debuginfo-1.5.2-11.el6.i686.rpm
pcsc-lite-libs-1.5.2-11.el6.i686.rpm

x86_64:
pcsc-lite-1.5.2-11.el6.x86_64.rpm
pcsc-lite-debuginfo-1.5.2-11.el6.i686.rpm
pcsc-lite-debuginfo-1.5.2-11.el6.x86_64.rpm
pcsc-lite-libs-1.5.2-11.el6.i686.rpm
pcsc-lite-libs-1.5.2-11.el6.x86_64.rpm

Red Hat Enterprise Linux Desktop Optional (v. 6):

Source:
pcsc-lite-1.5.2-11.el6.src.rpm

i386:
pcsc-lite-debuginfo-1.5.2-11.el6.i686.rpm
pcsc-lite-devel-1.5.2-11.el6.i686.rpm
pcsc-lite-doc-1.5.2-11.el6.i686.rpm

x86_64:
pcsc-lite-debuginfo-1.5.2-11.el6.i686.rpm
pcsc-lite-debuginfo-1.5.2-11.el6.x86_64.rpm
pcsc-lite-devel-1.5.2-11.el6.i686.rpm
pcsc-lite-devel-1.5.2-11.el6.x86_64.rpm
pcsc-lite-doc-1.5.2-11.el6.x86_64.rpm

Red Hat Enterprise Linux HPC Node Optional (v. 6):

Source:
pcsc-lite-1.5.2-11.el6.src.rpm

x86_64:
pcsc-lite-1.5.2-11.el6.x86_64.rpm
pcsc-lite-debuginfo-1.5.2-11.el6.i686.rpm
pcsc-lite-debuginfo-1.5.2-11.el6.x86_64.rpm
pcsc-lite-devel-1.5.2-11.el6.i686.rpm
pcsc-lite-devel-1.5.2-11.el6.x86_64.rpm
pcsc-lite-doc-1.5.2-11.el6.x86_64.rpm
pcsc-lite-libs-1.5.2-11.el6.i686.rpm
pcsc-lite-libs-1.5.2-11.el6.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
pcsc-lite-1.5.2-11.el6.src.rpm

i386:
pcsc-lite-1.5.2-11.el6.i686.rpm
pcsc-lite-debuginfo-1.5.2-11.el6.i686.rpm
pcsc-lite-libs-1.5.2-11.el6.i686.rpm

ppc64:
pcsc-lite-1.5.2-11.el6.ppc64.rpm
pcsc-lite-debuginfo-1.5.2-11.el6.ppc.rpm
pcsc-lite-debuginfo-1.5.2-11.el6.ppc64.rpm
pcsc-lite-libs-1.5.2-11.el6.ppc.rpm
pcsc-lite-libs-1.5.2-11.el6.ppc64.rpm

s390x:
pcsc-lite-1.5.2-11.el6.s390x.rpm
pcsc-lite-debuginfo-1.5.2-11.el6.s390.rpm
pcsc-lite-debuginfo-1.5.2-11.el6.s390x.rpm
pcsc-lite-libs-1.5.2-11.el6.s390.rpm
pcsc-lite-libs-1.5.2-11.el6.s390x.rpm

x86_64:
pcsc-lite-1.5.2-11.el6.x86_64.rpm
pcsc-lite-debuginfo-1.5.2-11.el6.i686.rpm
pcsc-lite-debuginfo-1.5.2-11.el6.x86_64.rpm
pcsc-lite-libs-1.5.2-11.el6.i686.rpm
pcsc-lite-libs-1.5.2-11.el6.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 6):

Source:
pcsc-lite-1.5.2-11.el6.src.rpm

i386:
pcsc-lite-debuginfo-1.5.2-11.el6.i686.rpm
pcsc-lite-devel-1.5.2-11.el6.i686.rpm
pcsc-lite-doc-1.5.2-11.el6.i686.rpm

ppc64:
pcsc-lite-debuginfo-1.5.2-11.el6.ppc.rpm
pcsc-lite-debuginfo-1.5.2-11.el6.ppc64.rpm
pcsc-lite-devel-1.5.2-11.el6.ppc.rpm
pcsc-lite-devel-1.5.2-11.el6.ppc64.rpm
pcsc-lite-doc-1.5.2-11.el6.ppc64.rpm

s390x:
pcsc-lite-debuginfo-1.5.2-11.el6.s390.rpm
pcsc-lite-debuginfo-1.5.2-11.el6.s390x.rpm
pcsc-lite-devel-1.5.2-11.el6.s390.rpm
pcsc-lite-devel-1.5.2-11.el6.s390x.rpm
pcsc-lite-doc-1.5.2-11.el6.s390x.rpm

x86_64:
pcsc-lite-debuginfo-1.5.2-11.el6.i686.rpm
pcsc-lite-debuginfo-1.5.2-11.el6.x86_64.rpm
pcsc-lite-devel-1.5.2-11.el6.i686.rpm
pcsc-lite-devel-1.5.2-11.el6.x86_64.rpm
pcsc-lite-doc-1.5.2-11.el6.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
pcsc-lite-1.5.2-11.el6.src.rpm

i386:
pcsc-lite-1.5.2-11.el6.i686.rpm
pcsc-lite-debuginfo-1.5.2-11.el6.i686.rpm
pcsc-lite-libs-1.5.2-11.el6.i686.rpm

x86_64:
pcsc-lite-1.5.2-11.el6.x86_64.rpm
pcsc-lite-debuginfo-1.5.2-11.el6.i686.rpm
pcsc-lite-debuginfo-1.5.2-11.el6.x86_64.rpm
pcsc-lite-libs-1.5.2-11.el6.i686.rpm
pcsc-lite-libs-1.5.2-11.el6.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 6):

Source:
pcsc-lite-1.5.2-11.el6.src.rpm

i386:
pcsc-lite-debuginfo-1.5.2-11.el6.i686.rpm
pcsc-lite-devel-1.5.2-11.el6.i686.rpm
pcsc-lite-doc-1.5.2-11.el6.i686.rpm

x86_64:
pcsc-lite-debuginfo-1.5.2-11.el6.i686.rpm
pcsc-lite-debuginfo-1.5.2-11.el6.x86_64.rpm
pcsc-lite-devel-1.5.2-11.el6.i686.rpm
pcsc-lite-devel-1.5.2-11.el6.x86_64.rpm
pcsc-lite-doc-1.5.2-11.el6.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-2010-4531.html
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2013 Red Hat, Inc.
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