Vulnerability · Published Oct 6, 2020 · Assigned by mitre
CVE-2020-26570
Medium 5.5
In plain English
A medium-severity security flaw in the opensc package (AlmaLinux). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.4%top 67.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | opensc | 0.20.0-4.el8 | ALSA-2021:1600 |
| Alpine:v3.20 | opensc | 0.21.0-r0 | ALPINE-CVE-2020-26570 |
| Alpine:v3.21 | opensc | 0.21.0-r0 | ALPINE-CVE-2020-26570 |
| Alpine:v3.22 | opensc | 0.21.0-r0 | ALPINE-CVE-2020-26570 |
| Alpine:v3.23 | opensc | 0.21.0-r0 | ALPINE-CVE-2020-26570 |
| Alpine:v3.24 | opensc | 0.21.0-r0 | ALPINE-CVE-2020-26570 |
| Debian:12 | opensc | 0.21.0-1 | DEBIAN-CVE-2020-26570 |
| Debian:13 | opensc | 0.21.0-1 | DEBIAN-CVE-2020-26570 |
| Debian:14 | opensc | 0.21.0-1 | DEBIAN-CVE-2020-26570 |
| Rocky Linux:8 | opensc | 0:0.20.0-4.el8 | RLSA-2021:1600 |
Affected products (as reported)
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24316 x_refsource_MISC
- https://github.com/OpenSC/OpenSC/commit/6903aebfddc466d966c7b865fae34572bf3ed23e x_refsource_MISC
- [oss-security] 20201124 OpenSC 0.21.0 released mailing-list, x_refsource_MLIST
- FEDORA-2020-7c80831ffe vendor-advisory, x_refsource_FEDORA
- [debian-lts-announce] 20211129 [SECURITY] [DLA 2832-1] opensc security update mailing-list, x_refsource_MLIST