---
title: "CVE-2010-4531\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2010-4531?format=md
keywords: index, follow
---

# CVE-2010-4531

Publication date 18 January 2011

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

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## 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.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| pcsc-lite | 11.10 oneiric | Not affected |
| 11.04 natty | Not affected |
| 10.10 maverick | Fixed 1.5.5-3ubuntu2.1 |
| 10.04 LTS lucid | Fixed 1.5.3-1ubuntu4.2 |
| 9.10 karmic | Fixed 1.5.3-1ubuntu1.2 |
| 8.04 LTS hardy | Ignored end of life |
| 6.06 LTS dapper | Ignored end of life |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)
* [Patch details](https://ubuntu.com/security/CVE-2010-4531?format=md#patch-details)

### Patch details

For informational purposes only. We recommend not to cherry-pick updates. [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)

| Package | Patch details |
| --- | --- |
| pcsc-lite | * Upstream:   <http://lists.alioth.debian.org/pipermail/pcsclite-cvs-commit/2010-November/004923.html> |

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-4531)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2010-4531)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2010-4531)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2010-4531)

### Related Ubuntu Security Notices (USN)

+ [USN-1125-1](https://usn.ubuntu.com/USN-1125-1)
+ PCSC-Lite vulnerability
+ 27 April 2011

### Other references

* <http://labs.mwrinfosecurity.com/files/Advisories/mwri_pcsc-atr-handler-buffer-overflow_2010-12-13.pdf>
* <https://www.cve.org/CVERecord?id=CVE-2010-4531>