CVE-2010-4531

Severity: medium (CVSS 4.4 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2011-01-18 · updated 2026-06-16
Weakness: CWE-119

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.

Affected products

Muscle Pcsc-Lite: 1.5.3

References

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
http://lists.alioth.debian.org/pipermail/pcsclite-cvs-commit/2010-November/004923.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053079.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053095.html
http://secunia.com/advisories/42912
http://secunia.com/advisories/43112
http://www.debian.org/security/2011/dsa-2156
http://www.mandriva.com/security/advisories?name=MDVSA-2011:015
http://www.openwall.com/lists/oss-security/2010/12/22/7
http://www.openwall.com/lists/oss-security/2011/01/03/3
http://www.securityfocus.com/bid/45450

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