CVE-2018-16420
Published: August 31, 2023Last modified: August 31, 2023
Description
Several buffer overflows when handling responses from an ePass 2003 Card in decrypt_response in libopensc/card-epass2003.c in OpenSC before 0.19.0-rc1 could be used by attackers able to supply crafted smartcards to cause a denial of service (application crash) or possibly have unspecified other impact.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 6.6 |
| Attack Vector | PHYSICAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | opensc | Not affected (0.22.0-r4) |
| Stream | opensc | Not affected (0.23.0-r0) |
References
- https://access.redhat.com/errata/RHSA-2019:2154
- https://github.com/OpenSC/OpenSC/commit/360e95d45ac4123255a4c796db96337f332160ad#diff-b36536074d13447fbbec061e0e64d15d
- https://github.com/OpenSC/OpenSC/releases/tag/0.19.0-rc1
- https://lists.debian.org/debian-lts-announce/2019/09/msg00009.html
- https://www.x41-dsec.de/lab/advisories/x41-2018-002-OpenSC/