CVE-2020-26572

Description

The TCOS smart card software driver in OpenSC before 0.21.0-rc1 has a stack-based buffer overflow in tcos_decipher.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.04%
Vendor Advisory fedoraproject.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=22967 third party advisory
https://github.com/OpenSC/OpenSC/commit/9d294de90d1cc66956389856e60b6944b27b4817 third party advisory patch
http://www.openwall.com/lists/oss-security/2020/11/24/4 third party advisory mailing list
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EXOHFDMNMO6IDECAGUTB3SJGAGXVRT6S/ vendor advisory
https://lists.debian.org/debian-lts-announce/2021/11/msg00027.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2020-26572?
CVE-2020-26572 has been scored as a medium severity vulnerability.
How to fix CVE-2020-26572?
To fix CVE-2020-26572, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-26572 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-26572 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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