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Secunia Security Advisory 42659

Secunia Security Advisory 42659
Posted Dec 25, 2010
Authored by Secunia | Site secunia.com

Secunia Security Advisory - A vulnerability has been reported in PCSC-Lite, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially compromise a vulnerable system.

tags | advisory, denial of service
MD5 | 1a2d1987b90669a11ac302456939ed2f

Secunia Security Advisory 42659

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Request a free trial:
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TITLE:
PCSC-Lite "ATRDecodeAtr()" Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA42659

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/42659/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=42659

RELEASE DATE:
2010-12-25

DISCUSS ADVISORY:
http://secunia.com/advisories/42659/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
* Last Update
* Popularity
* Comments
* Criticality Level
* Impact
* Where
* Solution Status
* Operating System / Software
* CVE Reference(s)

http://secunia.com/advisories/42659/

ONLY AVAILABLE IN CUSTOMER AREA:
* Authentication Level
* Report Reliability
* Secunia PoC
* Secunia Analysis
* Systems Affected
* Approve Distribution
* Remediation Status
* Secunia CVSS Score
* CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=42659

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
* AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
A vulnerability has been reported in PCSC-Lite, which can be
exploited by malicious people to cause a DoS (Denial of Service) and
potentially compromise a vulnerable system.

The vulnerability is caused due to a boundary error within the
"ATRDecodeAtr()" function in src/atrhandler.c, which can be exploited
to cause a buffer overflow via a specially crafted ATR sent by a
malicious smart card.

The vulnerability is reported in versions 1.5.3. Other versions may
also be affected.

SOLUTION:
Update to version 1.6.6.

PROVIDED AND/OR DISCOVERED BY:
Rafael Dominguez Vega, MWR Info Security

ORIGINAL ADVISORY:
http://labs.mwrinfosecurity.com/files/Advisories/mwri_pcsc-atr-handler-buffer-overflow_2010-12-13.pdf

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

----------------------------------------------------------------------

About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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