CVE-2020-24387
High
Description
An issue was discovered in the yh_create_session() function of yubihsm-shell through 2.0.2. The function does not explicitly check the returned session id from the device. An invalid session id would lead to out-of-bounds read and write operations in the session array. This could be used by an attacker to cause a denial of service attack.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Yubico Yubihsm-shell
PublishedOct 19, 2020
First seenOct 19, 2020
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| yubico yubihsm-shell | v ≤ 2.0.2 | — |
| fedoraproject fedora | 33 | — |
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