Description
OpenSC before 0.11.7 allows physically proximate attackers to bypass intended PIN requirements and read private data objects via a (1) low level APDU command or (2) debugging tool, as demonstrated by reading the 4601 or 4701 file with the opensc-explorer or opensc-tool program.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | opensc | 0.11.7-1 | — |
| Debian 13 | opensc | 0.11.7-1 | — |
| Debian 12 | opensc | 0.11.7-1 | — |
| Debian 5.0 | opensc | 0.11.4-5+lenny1 | DSA-1734-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | opensc | 0.16.0-2.1 | openSUSE-SU-2024:10269-1 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Exploit-DB 1
- OpenSC 0.11.x - PKCS#11 Implementation Unauthorized Access EDB-32820 · local · Feb 26, 2009 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 2
- DSA-1734-1 opensc - information disclosure Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10269-1 opensc-0.16.0-2.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- 34120 third-party-advisory
- 33922 vdb-entry
- opensc-pkcs-unauth-access(48958) vdb-entry
- 34362 third-party-advisory
- 35065 third-party-advisory
- FEDORA-2009-2266 vendor-advisory
- [oss-security] 20090226 OpenSC Security Advisory mailing-list
- DSA-1734 vendor-advisory
- 34377 third-party-advisory
- 36074 third-party-advisory
- FEDORA-2009-2267 vendor-advisory
- SUSE-SR:2009:010 vendor-advisory
- 34052 third-party-advisory
- [opensc-announce] 20090226 OpenSC Security Advisory mailing-list
- GLSA-200908-01 vendor-advisory