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ID de Prueba:1.3.6.1.4.1.25623.1.0.870910
Categoría:Red Hat Local Security Checks
Título:RedHat Update for pcsc-lite RHSA-2013:0525-02
Resumen:The remote host is missing an update for the 'pcsc-lite'; package(s) announced via the referenced advisory.
Descripción:Summary:
The remote host is missing an update for the 'pcsc-lite'
package(s) announced via the referenced advisory.

Vulnerability Insight:
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.

Affected Software/OS:
pcsc-lite on Red Hat Enterprise Linux Desktop (v. 6),
Red Hat Enterprise Linux Server (v. 6),
Red Hat Enterprise Linux Workstation (v. 6)

Solution:
Please Install the Updated Packages.

CVSS Score:
4.4

CVSS Vector:
AV:L/AC:M/Au:N/C:P/I:P/A:P

Referencia Cruzada: Common Vulnerability Exposure (CVE) ID: CVE-2010-4531
42912
http://secunia.com/advisories/42912
43112
http://secunia.com/advisories/43112
45450
http://www.securityfocus.com/bid/45450
ADV-2010-3264
http://www.vupen.com/english/advisories/2010/3264
ADV-2011-0101
http://www.vupen.com/english/advisories/2011/0101
ADV-2011-0180
http://www.vupen.com/english/advisories/2011/0180
ADV-2011-0256
http://www.vupen.com/english/advisories/2011/0256
DSA-2156
http://www.debian.org/security/2011/dsa-2156
FEDORA-2011-0123
http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053095.html
FEDORA-2011-0164
http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053079.html
MDVSA-2011:015
http://www.mandriva.com/security/advisories?name=MDVSA-2011:015
[Pcsclite-cvs-commit] 20101103 r5370 - /trunk/PCSC/src/atrhandler.c
http://lists.alioth.debian.org/pipermail/pcsclite-cvs-commit/2010-November/004923.html
[oss-security] 20101222 CVE Request -- 1, ccid -- int.overflow leading to array index error 2, pcsc-lite stack-based buffer overflow in ATR decoder [was: CVE request: opensc buffer overflow ]
http://www.openwall.com/lists/oss-security/2010/12/22/7
[oss-security] 20110103 Re: CVE Request -- 1, ccid -- int.overflow leading to array index error 2, pcsc-lite stack-based buffer overflow in ATR decoder [was: CVE request: opensc buffer overflow ]
http://www.openwall.com/lists/oss-security/2011/01/03/3
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=607781
http://labs.mwrinfosecurity.com/files/Advisories/mwri_pcsc-atr-handler-buffer-overflow_2010-12-13.pdf
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2010-4531
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