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Secunia Security Advisory 42658

Secunia Security Advisory 42658
Posted Dec 25, 2010
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Some vulnerabilities have been reported in OpenSC, which can be exploited by malicious people to compromise an application using the library.

tags | advisory, vulnerability
MD5 | 17e2879e2b19242858022aea5e7ec445

Secunia Security Advisory 42658

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TITLE:
OpenSC Serial Number Processing Buffer Overflow Vulnerabilities

SECUNIA ADVISORY ID:
SA42658

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/42658/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=42658

RELEASE DATE:
2010-12-25

DISCUSS ADVISORY:
http://secunia.com/advisories/42658/#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/42658/

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=42658

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:
Some vulnerabilities have been reported in OpenSC, which can be
exploited by malicious people to compromise an application using the
library.

The vulnerabilities are caused due to boundary errors in the
"acos_get_serialnr()", "acos5_get_serialnr()", and
"starcos_get_serialnr()" functions when reading out the serial number
of smart cards. This can be exploited to cause buffer overflows via a
specially crafted smart card.

Successful exploitation may allow execution of arbitrary code.

The vulnerabilities are reported in version 0.11.13. Other versions
may also be affected.

SOLUTION:
Fixed in the SVN repository.

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

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

ORIGINAL ADVISORY:
OpenSC:
https://www.opensc-project.org/opensc/changeset/4913

MWR InfoSecurity:
http://labs.mwrinfosecurity.com/files/Advisories/mwri_opensc-get-serial-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/

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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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