| Name | CVE-2023-4535 |
| Description | An out-of-bounds read vulnerability was found in OpenSC packages within the MyEID driver when handling symmetric key encryption. Exploiting this flaw requires an attacker to have physical access to the computer and a specially crafted USB device or smart card. This flaw allows the attacker to manipulate APDU responses and potentially gain unauthorized access to sensitive data, compromising the system's security. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1055520 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| opensc (PTS) | jessie, jessie (lts) | 0.16.0-3+deb8u3 | vulnerable |
| stretch (security), stretch (lts), stretch | 0.16.0-3+deb9u2 | vulnerable |
| buster | 0.19.0-1+deb10u1 | fixed |
| buster (security) | 0.19.0-1+deb10u3 | fixed |
| bullseye | 0.21.0-1 | fixed |
| bookworm | 0.23.0-0.3+deb12u1 | fixed |
| sid, trixie | 0.25.0~rc1-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| opensc | source | jessie | (unfixed) | end-of-life | | |
| opensc | source | stretch | (unfixed) | end-of-life | | |
| opensc | source | buster | (not affected) | | | |
| opensc | source | bullseye | (not affected) | | | |
| opensc | source | bookworm | 0.23.0-0.3+deb12u1 | | | |
| opensc | source | (unstable) | 0.23.0-2 | | | 1055520 |
Notes
[bullseye] - opensc <not-affected> (vulnerable code introduced later)
[buster] - opensc <not-affected> (vulnerable code introduced later)
https://github.com/OpenSC/OpenSC/wiki/CVE-2023-4535
Fixed by: https://github.com/OpenSC/OpenSC/commit/f1993dc4e0b33050b8f72a3558ee88b24c4063b2 (0.24.0-rc1)
Introduced by: https://github.com/OpenSC/OpenSC/commit/c852236e8368b47b38d89b1b7fb2dbd78753e109 (0.23.0-rc1)