CVE-2020-26570
Published: August 31, 2023Last modified: August 31, 2023
Description
The Oberthur smart card software driver in OpenSC before 0.21.0-rc1 has a heap-based buffer overflow in sc_oberthur_read_file.
Severity score breakdown
| Parameter | Value | 
|---|---|
| Base score | 5.5 | 
| Attack Vector | LOCAL | 
| Attack complexity | LOW | 
| Privileges required | LOW | 
| User interaction | NONE | 
| Scope | UNCHANGED | 
| Confidentiality | NONE | 
| Integrity impact | NONE | 
| Availability impact | HIGH | 
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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
- http://www.openwall.com/lists/oss-security/2020/11/24/4
 - https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24316
 - https://github.com/OpenSC/OpenSC/commit/6903aebfddc466d966c7b865fae34572bf3ed23e
 - https://lists.debian.org/debian-lts-announce/2021/11/msg00027.html
 - https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EXOHFDMNMO6IDECAGUTB3SJGAGXVRT6S/
 - https://lists.fedoraproject.org/archives/list/[email protected]/message/EXOHFDMNMO6IDECAGUTB3SJGAGXVRT6S/