A buffer overflow in pcsc-lite while handling smart card responses has been fixed. CVE-2010-4531 has been assigned to this issues.

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.

  - Because the chkconfig settings and the startup files in     the /etc/rc.d/ directory were not changed during the     update described in the SLBA-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.

  - 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.

After installing this update, the pcscd daemon will be restarted automatically.

An integer overflow in pcsc-ccid and a buffer overflow in pcsc-lite while handling smart card responses have been fixed.

CVE-2010-4530 / CVE-2010-4531 have been assigned to these issues.
Additionally a new device ID for card readers was added.

An integer overflow in pcsc-ccid and a buffer overflow in pcsc-lite while handling smart card responses have been fixed. CVE-2010-4530 and CVE-2010-4531 have been assigned to these issues.

The remote MiracleLinux 4 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2013-136:01 advisory.

    The purpose of PC/SC Lite is to provide a Windows(R) SCard interface in a very small form factor for     communicating to smartcards and readers. PC/SC Lite uses the same winscard API as used under Windows(R).
    This package includes the PC/SC Lite daemon, a resource manager that coordinates communications with smart     card readers and smart cards that are connected to the system, as well as other command line tools.
    Security issues fixed with this release:
     CVE-2010-4531     Stack-based buffer overflow in the ATRDecodeAtr function in the Answer-to-Reset (ATR) Handler     (atrhandler.c) for pcscd in PCSC-Lite 1.5.3, and possibly other 1.5.x and 1.6.x versions, allows     physically proximate attackers to cause a denial of service (crash) and possibly execute arbitrary code     via a smart card with an ATR message containing a long attribute value.

Tenable has extracted the preceding description block directly from the MiracleLinux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

This update fixes the following security issue :

A stack-based buffer overflow flaw was found in the way PC/SC Lite smart card framework decoded certain attribute values of the Answer-to-Reset (ATR) message, received back from the card after connecting. A local attacker could use this flaw to execute arbitrary code with the privileges of the user running the pcscd daemon, via a malicious smart card inserted to the system USB port.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

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.

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.

The remote Oracle Linux 6 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2013-0525 advisory.

    - CVE-2010-4531

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Stack-based buffer overflow in the ATRDecodeAtr function in the Answer-to-Reset (ATR) Handler     (atrhandler.c) for pcscd in PCSC-Lite 1.5.3, and possibly other 1.5.x and 1.6.x versions, allows     physically proximate attackers to cause a denial of service (crash) and possibly execute arbitrary code     via a smart card with an ATR message containing a long attribute value. (CVE-2010-4531)

Note that Nessus relies on the presence of the package as reported by the vendor.

Rafael Dominguez Vega discovered that PCSC-Lite incorrectly handled smart cards with malformed ATR messages. An attacker having physical access could exploit this with a special smart card and cause a denial of service or execute arbitrary code.

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote host is affected by the vulnerability described in GLSA-201401-17 (PCSC-Lite: Arbitrary code execution)

    PCSC-Lite contains a stack-based buffer overflow in the ATRDecodeAtr       function in the       Answer-to-Reset Handler (atrhandler.c).
  Impact :

    A physically proximate attacker could execute arbitrary code or cause a       Denial of Service condition.
  Workaround :

    There is no known workaround at this time.

MWR InfoSecurity identified a buffer overflow in pcscd, middleware to access a smart card via PC/SC, which could lead to the execution of arbitrary code.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
51845	SuSE 10 Security Update : pcsc-lite (ZYPP Patch Number 7298)	Nessus	SuSE Local Security Checks	2011/2/2	2021/1/19	medium
64956	Scientific Linux Security Update : pcsc-lite on SL6.x i386/x86_64 (20130221)	Nessus	Scientific Linux Local Security Checks	2013/3/1	2021/1/14	medium
51844	SuSE 11.1 Security Update : pcsc-lite (SAT Patch Number 3889)	Nessus	SuSE Local Security Checks	2011/2/2	2021/1/19	medium
53754	openSUSE Security Update : libpcsclite1 (openSUSE-SU-2011:0092-1)	Nessus	SuSE Local Security Checks	2011/5/5	2021/1/14	medium
75602	openSUSE Security Update : libpcsclite1 (openSUSE-SU-2011:0092-1)	Nessus	SuSE Local Security Checks	2014/6/13	2021/1/14	medium
291485	MiracleLinux 4 : pcsc-lite-1.5.2-11.AXS4 (AXSA:2013-136:01)	Nessus	Miracle Linux Local Security Checks	2026/1/19	2026/1/19	critical
51514	Fedora 13 : pcsc-lite-1.5.5-5.fc13 (2011-0123)	Nessus	Fedora Local Security Checks	2011/1/14	2021/1/11	medium
65155	CentOS 6 : pcsc-lite (CESA-2013:0525)	Nessus	CentOS Local Security Checks	2013/3/10	2021/1/4	medium
68760	Oracle Linux 6 : pcsc-lite (ELSA-2013-0525)	Nessus	Oracle Linux Local Security Checks	2013/7/12	2025/4/29	critical
217347	Linux Distros Unpatched Vulnerability : CVE-2010-4531	Nessus	Misc.	2025/3/3	2026/1/28	critical
55085	Ubuntu 9.10 / 10.04 LTS / 10.10 : pcsc-lite vulnerability (USN-1125-1)	Nessus	Ubuntu Local Security Checks	2011/6/13	2019/9/19	medium
64771	RHEL 6 : pcsc-lite (RHSA-2013:0525)	Nessus	Red Hat Local Security Checks	2013/2/21	2021/1/14	medium
72072	GLSA-201401-17 : PCSC-Lite: Arbitrary code execution	Nessus	Gentoo Local Security Checks	2014/1/22	2021/1/6	medium
51829	Debian DSA-2156-1 : pcscd - buffer overflow	Nessus	Debian Local Security Checks	2011/2/1	2021/1/4	medium

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