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Last updated: 5/5/2016 7:51:45 AM

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Vulnerability Summary for CVE-2010-4531

Original release date: 01/18/2011
Last revised: 02/05/2011


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.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.4 MEDIUM
Impact Subscore: 6.4
Exploitability Subscore: 3.4
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: MISC
Name: http://labs.mwrinfosecurity.com/files/Advisories/mwri_pcsc-atr-handler-buffer-overflow_2010-12-13.pdf
Type: Patch Information
External Source: DEBIAN
Name: DSA-2156
External Source: MLIST
Name: [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 ]
Type: Patch Information
External Source: BID
Name: 45450
External Source: FEDORA
Name: FEDORA-2011-0123
External Source: VUPEN
Name: ADV-2010-3264
Type: Advisory
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2010-4531
Type: Patch Information
External Source: VUPEN
Name: ADV-2011-0256
External Source: VUPEN
Name: ADV-2011-0180
External Source: CONFIRM
Name: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=607781
Type: Patch Information
External Source: MANDRIVA
Name: MDVSA-2011:015
External Source: FEDORA
Name: FEDORA-2011-0164
External Source: VUPEN
Name: ADV-2011-0101
Type: Advisory
External Source: MLIST
Name: [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 ]
Type: Patch Information
External Source: MLIST
Name: [Pcsclite-cvs-commit] 20101103 r5370 - /trunk/PCSC/src/atrhandler.c
Type: Patch Information

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