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CVE-2010-4531

4.4 · MEDIUM

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 physic…

Published Jan 18, 2011muscleCWE-119EPSS 0.50%

Overview

CVE-2010-4531 is a medium-severity vulnerability affecting muscle pcsc-lite. It was published on January 18, 2011 and has a CVSS 2.0 base score of 4.4 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.4, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from muscle. Update pcsc-lite to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refbugs.debian.org/cgi-bin/bugreport.cgi?bug=607781Reflabs.mwrinfosecurity.com/files/Advisories/mwri_pcsc-atr-handler-buffer-overflow_2010-12-13.pdfReflists.alioth.debian.org/pipermail/pcsclite-cvs-commit/2010-November/004923.htmlReflists.fedoraproject.org/pipermail/package-announce/2011-January/053079.htmlReflists.fedoraproject.org/pipermail/package-announce/2011-January/053095.htmlRefsecunia.com/advisories/42912Refsecunia.com/advisories/43112Refwww.debian.org/security/2011/dsa-2156Refwww.mandriva.com/security/advisories?name=MDVSA-2011:015Refwww.openwall.com/lists/oss-security/2010/12/22/7

How CyberStrike helps

Frequently asked questions

What is CVE-2010-4531?

CVE-2010-4531 is a medium-severity vulnerability affecting muscle pcsc-lite. It was published on January 18, 2011 and has a CVSS 2.0 base score of 4.4 (MEDIUM).

How severe is CVE-2010-4531?

This vulnerability has a CVSS 2.0 base score of 4.4, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2010-4531?

Check the references section for vendor advisories and patches from muscle. Update pcsc-lite to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2010-4531?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2010-4531 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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