4.4
CVE-2021-27217
- EPSS 0.62%
- Published 04.03.2021 18:15:14
- Last modified 21.11.2024 05:57:37
- Source cve@mitre.org
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An issue was discovered in the _send_secure_msg() function of Yubico yubihsm-shell through 2.0.3. The function does not correctly validate the embedded length field of an authenticated message received from the device. Out-of-bounds reads performed by aes_remove_padding() can crash the running process, depending on the memory layout. This could be used by an attacker to cause a client-side denial of service. The yubihsm-shell project is included in the YubiHSM 2 SDK product.
Data is provided by the National Vulnerability Database (NVD)
Yubico ≫ Yubihsm-shell Version <= 2.0.3
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
| Type | Source | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.62% | 0.674 |
| Source | Base Score | Exploit Score | Impact Score | Vector string |
|---|---|---|---|---|
| nvd@nist.gov | 4.4 | 0.7 | 3.6 |
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
|
| nvd@nist.gov | 3.5 | 6.8 | 2.9 |
AV:N/AC:M/Au:S/C:N/I:N/A:P
|
CWE-125 Out-of-bounds Read
The product reads data past the end, or before the beginning, of the intended buffer.