OpenSC before 0.11.5 uses weak permissions (ADMIN file control information of 00) for the 5015 directory on smart cards and USB crypto tokens running Siemens CardOS M4, which allows physically proximate attackers to change the PIN.
https://www.redhat.com/archives/fedora-package-announce/2009-March/msg00686.html
https://www.debian.org/security/2008/dsa-1627
https://exchange.xforce.ibmcloud.com/vulnerabilities/44140
http://www.securityfocus.com/bid/30473
http://www.opensc-project.org/security.html
http://www.opensc-project.org/pipermail/opensc-announce/2008-July/000020.html
http://www.mandriva.com/security/advisories?name=MDVSA-2008:183
http://security.gentoo.org/glsa/glsa-200812-09.xml
http://secunia.com/advisories/34362
http://secunia.com/advisories/33115
http://secunia.com/advisories/32099
http://secunia.com/advisories/31360
http://secunia.com/advisories/31330
http://lists.opensuse.org/opensuse-security-announce/2009-02/msg00002.html
http://lists.opensuse.org/opensuse-security-announce/2008-09/msg00005.html