Vulnerability CVE-2010-4531
Published: 2011-01-18   Modified: 2012-02-13

Description:
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.

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:L/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.4/10
6.4/10
3.4/10
Exploit range
Attack complexity
Authentication
Local
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Muscle -> Pcsc-lite 

 References:
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2010-4531
http://www.openwall.com/lists/oss-security/2011/01/03/3
http://www.openwall.com/lists/oss-security/2010/12/22/7
http://lists.alioth.debian.org/pipermail/pcsclite-cvs-commit/2010-November/004923.html
http://labs.mwrinfosecurity.com/files/Advisories/mwri_pcsc-atr-handler-buffer-overflow_2010-12-13.pdf
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=607781
http://www.vupen.com/english/advisories/2011/0256
http://www.vupen.com/english/advisories/2011/0180
http://www.vupen.com/english/advisories/2011/0101
http://www.vupen.com/english/advisories/2010/3264
http://www.securityfocus.com/bid/45450
http://www.mandriva.com/security/advisories?name=MDVSA-2011:015
http://www.debian.org/security/2011/dsa-2156
http://secunia.com/advisories/43112
http://secunia.com/advisories/42912
http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053095.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053079.html
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